ENMET ISA-60M Bedienungsanleitung

ENMET Corporation

PO Box 979

Ann Arbor, MI 48106-0979

www.enmet.com

Manual Part Number

80003-500

MCN-13-002, 04/29/13

ISA-60M

with MRI-5175

PERATION AND

AINTENANCE

ANUAL

Andersen Medical Gas

12 Place Laﬁﬁtte

Madisonville, LA 70447

https://www.TheMedicalGas.com

https://www.Shop.TheMedicalGas.com

1-866-288-3783

Table of Contents

1.0 Introduction..............................................................................................................................................................................1

1.1 IEC 60601-1 Classifications ................................................................................................................................................1

1.2 Unpack.................................................................................................................................................................................1

1.3 Check Order.........................................................................................................................................................................1

1.4 Serial Numbers.....................................................................................................................................................................1

2.0 Instrument Features..................................................................................................................................................................2

2.1 ISA-60M Exterior Features..................................................................................................................................................2

2.2 Display ISA-60M Front Panel Features...............................................................................................................................2

2.3 MRI-5175 Exterior Features................................................................................................................................................2

2.3 Circuit Board Features.........................................................................................................................................................4

3.0 Installation ...............................................................................................................................................................................5

3.1 Mounting of Instrument.......................................................................................................................................................5

3.2 Mounting MRI-5175 Remote Sensor...................................................................................................................................5

3.3 Power Supply.......................................................................................................................................................................6

3.4 Wiring ISA-60M to MRI-5175............................................................................................................................................6

3.4.1 Outputs..........................................................................................................................................................................6

3.4.2 ISA-60M Relay Contacts..............................................................................................................................................7

3.4.3 4-20mA Outputs............................................................................................................................................................8

3.4.4 Digital Outputs..............................................................................................................................................................8

3.5 Initial Calibration.................................................................................................................................................................8

4.0 Operation .................................................................................................................................................................................9

4.1 Normal Operation Condition ...............................................................................................................................................9

4.2 Alarm Set Points ..................................................................................................................................................................9

4.3 Fault Indications...................................................................................................................................................................9

4.4 Alarm Latching....................................................................................................................................................................9

4.5 Audio Defeat........................................................................................................................................................................9

4.6 Display...............................................................................................................................................................................10

4.7 Operational Menu ..............................................................................................................................................................10

5.0 Maintenance...........................................................................................................................................................................11

5.1 Cleaning Instructions .........................................................................................................................................................11

5.2 Maintenance Menu ISA-60M ............................................................................................................................................11

5.2.1 Set 4 –20mA Transmitter Scale ..................................................................................................................................12

5.2.2 MRI-5175 Calibration.................................................................................................................................................12

5.2.3 Standard Calibration ...................................................................................................................................................12

5.2.4 Altitude Calibration.....................................................................................................................................................12

5.2.5 ISA-60M Controller....................................................................................................................................................13

5.2.6 Set Alarm Points .........................................................................................................................................................14

5.2.7 Set Alarm “Delay On” ................................................................................................................................................16

5.2.8 Relay Configuration....................................................................................................................................................16

5.2.9 Failsafe Configuration.................................................................................................................................................17

5.2.10 Set New Password.....................................................................................................................................................17

5.2.11 Exit Maintenance Menu............................................................................................................................................18

5.3 MRI-5175 Sensor Transmitter ...........................................................................................................................................18

5.4 Channel Activation/Deactivation.......................................................................................................................................18

6.0 Maintenance MRI-5175.........................................................................................................................................................19

6.1 MRI-5175 Calibration........................................................................................................................................................19

6.1.1 Standard Calibration ...................................................................................................................................................19

6.1.2 Altitude Calibration.....................................................................................................................................................19

6.2 Sensor Replacement...........................................................................................................................................................21

7.0 Technical Data and Specifications.........................................................................................................................................22

8.0 Replacement Part Numbers....................................................................................................................................................23

9.0 WARRANTY ........................................................................................................................................................................23

List of Figures

Figure 1: ISA-60M & MRI-5175 External Features...................................................................................................3

Figure 2: ISA-60M Interior Features ..........................................................................................................................4

Figure 3: ISA-60M Mounting Dimensions.................................................................................................................5

Figure 4: MRI-5175 REMOTE SENSOR Mounting Dimensions....................................................................................5

Figure 5: ISA-60M Relay, Input and Output Terminals.............................................................................................6

Figure 5A: MRI-5175 Input and Output Terminals....................................................................................................7

Figure 6: ISA-60M Operational Display.....................................................................................................................9

Figure 7: ISA-60M Operation Menu Flow Chart......................................................................................................10

Figure 8: ISA-60M Maintenance Menu Flow Chart.................................................................................................11

Figure 9: Calibration MRI-5175...............................................................................................................................13

Figure 9: Calibration MRI-5175...............................................................................................................................20

Figure 10: MRI-5175 Sensor Replacement...............................................................................................................21

List of Tables

Table 1: Wiring ISA-60M to MRI-5175.......................................................................................................................7

Table 2 : Relay Failsafe Settings...................................................................................................................................7

Table 5: Fault LED Code Sequence............................................................................................................................13

Table 3: Set up values.................................................................................................................................................13

Table 4: Default Relay Links......................................................................................................................................16

Table 5: Fault LED Code Sequence............................................................................................................................20

Reference Information:

NOTE:[important information about use of instrument]

CAUTION:[affects equipment – if not followed may cause damage to instrument, sensor etc…]

ARNING

[affects personnel safety – if not followed may cause bodily injury or death.]

Attention / Warning

Earth Ground

ISA-60M ENMET Corporation

1.0 Introduction

The ISA-60M W/MRI-5175 is an ambient air monitoring system that measures oxygen concentrations in magnetic resonance

imaging environments. The ISA-60M control panel is capable of monitoring from 1 to 3 MRI-5175 remote sensors. Note: The

ISA-60M and MRI-5175 are produced as an aligned set and should be installed as such. Some features of the monitoring

system are as follows:

continuous monitoring of the sample air

continuous LCD display oxygen concentrations, at ISA-60M

menu driven operational and maintenance controls

menu driven calibration procedure

audio and visual alarms indicate unsafe conditions

alarm relay contacts available on terminals

a fault relay and visual fault alarm

alarm acknowledgement capability including audio defeat

mA output for each channel

OTE

:All specifications stated in this manual may change without notice.

1.1 IEC 60601-1 Classifications

Type of protection against electrical shock: Class 1.

Degree of protection against electrical shock: No Applied Parts

- Equipment not suitable for use in presence of flammable anesthetic mixture with air or with oxygen or nitrous oxide.

- Mains power quality should be that of a typical commercial or hospital environment.

- Power frequency magnetic fields should be at levels characteristic of a typical location in a commercial or hospital

environment.

1.2 Unpack

Unpack the

ISA-60M

and examine it for shipping damage. If such damage is observed, notify both ENMET customer service personnel and

the commercial carrier involved immediately.

Regarding Damaged Shipments

NOTE:It is your responsibility to follow these instructions. If they are not followed, the carrier will not honor any

claims for damage.



This shipment was carefully inspected, verified and properly packaged at our company and delivered to the carrier in good condition.



When it was picked up by the carrier at ENMET, it legally became your company’s property.



If your shipment arrives damaged:

•Keep the items, packing material, and carton “As Is.” Within 5 days of receipt, notify the carrier’s local office and request

immediate inspection of the carton and the contents.

•After the inspection and after you have received written acknowledgment of the damage from the carrier, contact ENMET

Customer Service for return authorization and further instructions. Have your Purchase Order and Sales Order numbers available.



ENMET either repairs or replaces damaged equipment and invoices the carrier to the extent of the liability coverage, usually $100.00.

Repair or replacement charges above that value are your company’s responsibility.



The shipping company may offer optional insurance coverage. ENMET only insures shipments with the shipping company when

asked to do so in writing by our customer. If you need your shipments insured, please forward a written request to ENMET Customer

Service.

Regarding Shortages

If there are any shortages or questions regarding this shipment, please notify ENMET Customer Service within 5 days of receipt at the

following address: ENMET Corporation

680 Fairfield Court

Ann Arbor, MI 48108

734-761-1270 734-761-3220 Fax

1.3 Check Order

Check, the contents of the shipment against the purchase order. Verify that the

ISA-60M

is received as ordered. If there are accessories on

the order, ascertain that they are present. Check the contents of calibration kits. Notify ENMET customer service personnel of any

discrepancy immediately.

1.4 Serial Numbers

Each

ISA-60M

and

MRI-5175

is serialized. These numbers are on tags on the equipment and are on record in an ENMET database.

ISA-60M ENMET Corporation

2.0 Instrument Features

2.1 ISA-60M Exterior Features

The exterior of the instrument is shown in Figure 1. The exterior features are as follows:

Feature Description

Enclosure Engineered thermoplastic, approximately 11x9x6, with a clear hinged front cover.

Strain Relief Entrance for wiring to Remote Sensor

Input Port The entrance for the calibration gas. The quick release fitting mates with one on the

calibration adapter.

Audio Alarm A loud horn activated by certain alarm conditions.

Mounting Flanges Flanges with holes for mounting the enclosure to a vertical surface.

2.2 Display ISA-60M Front Panel Features

The display panel, shown in Figure 1, is viewed through the clear front cover of the enclosure, and is accessed by opening the

cover. Features are as follows:

Feature Description

Display 2 line, 16 character per line, LCD with backlight.

The numerical values of gas concentrations, and other information are displayed.

Visual

Alarms & Indicators On either sides of the display:

A red alarm LED for each sensor transmitter installed to the instrument, Alarm 1.

The top center:

A red alarm LED for all sensor transmitters, Alarm 2.

Near the center of the panel:

A green power indicator LED

A red fault alarm LED

Pushbutton Switches There are three of these, located near the center of the panel; they are yellow

rectangular membrane switches. They are:

•OPTION Switch The top left switch.

•SELECT Switch Directly to the right of the OPTION switch.

•AUDIO DEFEAT /

ALARM ACKNOWLEDGE

Switch

Directly below the OPTION switch.

2.3 MRI-5175 Exterior Features

The exterior and panel of the sensor/transmitter is shown in Figure 1. The MRI-5175 features are as follows:

Feature Description

Enclosure Fiberglass-reinforced polyester approximately 5” square, with

non-magnetic hardware.

Strain Relief Entrance for wiring to ISA-60M control unit

Mounting Flanges Flanges with holes for mounting the enclosure to a vertical surface.

MENU Switch The left most pushbutton switch

SELECT Switch The right most pushbutton switch

Power/Fault LED Red/Green LED, Green indicating power on and red indicating a fault condition

Visual Alarm LED 3 Red LED, Triggered at level of alarm

Sensor Long life electrochemical oxygen sensor

Audio Alarm

(Optional) A loud horn activated by certain alarm conditions.

Select

ISA-60M ENMET Corporation

Figure 1: ISA-60M & MRI-5175 External Features

Strain Relief

Power/Fault LED

Audio Alarm

(Optional)

Visual O2

Alarm LED

Switch

SELECT

Switch

Sensor

Mounting Flanges

4 places

Select

SN:

-XXXX

Power/Fault XXX XXX XXX

%O2 by vol.

Display

Front Cover Latch

Audio Alarm

Fault LED

SELECT

Switch

Power LED

OPTION

Switch

Alarm Defeat

Alarm Acknowledge

Switch

Visual Alarm

Mounting Flanges

2 places

Visual Alarm

(If additional MRI-

5175

remote sensors are

connected)

Punch out/Hole Plug

For External Wiring

2 places

Strain Relief

Alarm 2

ISA-60M ENMET Corporation

2.3 Circuit Board Features

The Display Panel is hinged on the left and is released by unscrewing the 2 philips screws located in the top and bottom right

corners. After releasing the panel, it is swung to the left, exposing the interior of the enclosure. The Circuit Board is mounted

on a plate at the back surface of the enclosure interior. Features are shown in Figure 2.

Feature Description

Relay Terminals This group of terminals is located at the left side of the Circuit Board.

For the contacts for each of four alarm relays, and for the contacts of a fault relay.

Output Terminals There are two for each of the 4-20 mA outputs.

Figure 2: ISA-60M

Interior Features

Power Input

Terminal J23

Audio

Alarm

Relay Terminals

(6 places)

Aux Terminals

Optional (2 places)

Primary Detector

Channel 1

Horn Terminal

–

20mA Output

Terminals

4 outputs

2 connectors

Fuse Holder

Digital Communication

Terminals (3 types)

Ground Screw J21

Hole Plugs

(2 places)

Strain Relief

ISA-60M ENMET Corporation

3.0 Installation

3.1 Mounting of Instrument

Mount the ISA-60M instrument on an appropriate vertical surface using the mounting flanges provided. Avoid areas with

excessive vibration or temperature extremes. The holes in the flanges are 0.31 inch in diameter and form a 6 x 10.75 inch

rectangle. See Figure 3.

It is recommended to use #8 drywall anchors and screws for mounting the ISA-60M to a drywall/sheetrock surface.

Non-magnetic mounting hardware is required for control panels located in the magnet room.

Dimensions are in inches.

Figure 3: ISA-60M

Mounting Dimensions

3.2 Mounting MRI-5175 Remote Sensor

Mount each MRI-5175 remote sensor such that is samples the ambient air in the MRI environment.

It is recommended to use #8 drywall anchors and screws for mounting the ISA-60M to a drywall/sheetrock surface.

Non-magnetic mounting hardware is required.

Dimensions are in inches.

OTE

: Remote Sensor, Each must be

connected to a 4-20mA input inside the

ISA-60M. UL listed type CM, PLTC or

TC cable shall be used for wiring between

the MRI-5175 and the ISA-60M control

panel. Three-conductor, 18 gauge

shielded

wiring for runs up to 1000 feet.

For 500 feet or shorter wiring runs, 20

gauge

shielded

wiring is acceptable. The

supplied strain reliefs are rated for cable

with an OD between 0.20 – 0.35 inches.

Refer to Section 7 for Technical Instillation

Data.

Figure 4: MRI-5175

EMOTE

ENSOR

Mounting Dimensions

Mounting Holes

0.31” dia. 4 places

Side View

Typical location of Strain Relief

Select

SN:

-XXXX

Front View

Mounting Holes R 0.28” dia. 4 places

ISA-60M ENMET Corporation

3.3 Power Supply

The input power can vary from 100 to 240VAC, 50/60 Hz. Mains power should be connected to the Power Input Terminal J23

and the ground screw J21. See Figure 5 for location.

ARNING

Continuous gas detection and alarm systems become inoperative upon loss of primary power.

Upon supplying air and power to the ISA-60M:

The green power on LED is lit.

The display backlight is lit, and instrument will step through a start-up sequence: unit serial number, software revision

and gases monitored may be shown on the display.

The instrument may go into alarm briefly, but the sensors stabilize quickly. If the instrument persists in alarm, acknowledge the

alarm by pressing the AUDIO DEFEAT /ALARM ACKNOWLEDGE switch. If alarm persists longer than 30 minutes, call ENMET

customer service personnel.

Mains power line is fused for power supply protection. Fuse is 5 x20mm, 0.630Amp is located in FH2, see Figure 5

3.4 Wiring ISA-60M to MRI-5175

Wiring for the MRI-5175 alarm, relay contacts and 4-20mA outputs may be routed through one of the two enclosure punch-

outs on the side or bottom of the enclosure. See Figure 1. Follow state and local guidelines when selecting appropriate strain

relief, conduit and wiring.

Remote Sensor: Each must be connected to a 4-20mA input inside the ISA-60M. UL listed type CM, PLTC or TC cable shall

be used for wiring between the MRI-5175 and the ISA-60M control panel. Three conductor, 18 gauge

shielded

wiring for

runs up to 1000 feet. For 500 feet or shorter

shielded

wiring runs, 20 gauge wiring is acceptable. The supplied strain reliefs

are rated for cable with an OD between 0.20 – 0.35 inches. Refer to Section 7.0 for typical wiring information.

3.4.1 Outputs

Two types of alarm outputs are available, relay contacts and 4-20mA outputs.

Figure 5: ISA-60M Relay, Input and Output Terminals

Relay 1

Channel 1

Alarm 1

Relay 2

Channel 2

Alarm 1

Relay 3

Channel 3

Alarm 1

Relay 4

Channel 4

Alarm 1

Relay 5

Channel 1-4

Alarm 2

Relay 6

Ch 1-4 / System

Fault

J16 Detector Primary

Channel 1

J18 Connector

4-20mA Input

Channel 2

J19 Connector

4-20mA Input

Channel 3

Connector 2 (J4)

Channel 3 & 4

4-20mA Output

Connector 1 (J7)

Channel 1 & 2

4-20mA Output

Connector RS485

Connector RS232

Connector RS485

Power Input, Termi

nal J23

L-Line

N-Neutral

Ground Screw J21

Fuse Holder FH2

ISA-60M ENMET Corporation

Table 1: Wiring ISA-60M to MRI-5175

ISA-60M MRI-5175

Channel 1, J16

+24V (1)

GND (2)

mA (3)

Power

Ground

Signal

Channel 1, J4

+24V

GND

Channel 2,

J18

+24V

GND

Power

Ground

Signal

Channel 2

+24V

GND

Channel 3, J19

+24V

GND

Power

Ground

Signal

Channel 3, J4

+24V

GND

Figure 5A: MRI-5175 Input and Output Terminals

3.4.2 ISA-60M Relay Contacts

Relay contacts are available for each alarm; these are SPDT, rated at 10Amp at 110VAC or 10Amp at 30VDC for restive loads,

and may be latching or non-latching as required by the application. They are accessed on the terminals next to each relay see

Figure 2 & 5. The contact positions are noted on the circuit board next to each terminal.

These relay coils are energized when they are in the non-alarm state; the contact conditions given above are for the non-

energized state, which is identical to the alarm state.

In addition, there is a fault relay, which changes state whenever the instrument is in a fault condition. The contact positions are

noted on the circuit board next to each terminal. The coil of this relay is energized when the instrument is in the non-fault state;

the contact conditions given on the circuit board next to the terminal, are for the non-energized state, which is identical to the

fault state.

The PC Board is labeled for the relays in their un-energized state. If the relay is configured for failsafe, then this is also the alarm

condition state. Non-failsafe configured relays in the alarm state, are the reverse of the PC board labeling. Note that the

Fault(FLT) relay cannot be set to operate in a Non-Failsafe mode. Please see the Table 2 below:

Table 2 : Relay Failsafe Settings

Position

Failsafe

Alarm

Non

Failsafe

Alarm

J5 Relay 1 - NO Normally Open Normally Closed

J5 Relay 1 - COM Common Common

J5 Relay 1 - NC Normally Closed Normally Open

J6 Relay 2 - NO Normally Open Normally Closed

J6 Relay 2 - COM Common Common

J6 Relay 2 - NC Normally Closed Normally Open

J8 Relay 3 - NO Normally Open Normally Closed

J8 Relay 3 - COM Common Common

J8 Relay 3 - NC Normally Closed Normally Open

J10 Relay 4 - NO Normally Open Normally Closed

J10 Relay 4 - COM Common Common

J10 Relay 4 - NC Normally Closed Normally Open

J14 Relay 5 - NO Normally Open Normally Closed

J14 Relay 5 - COM Common Common

J14 Relay 5 - NC Normally Closed Normally Open

J15 Relay 6/FLT - NO Normally Open N/A

J15 Relay 6/FLT - COM Common N/A

J15 Relay 6/FLT - NC Normally Closed N/A

These relay contacts can be used to operate auxiliary alarms or other functions.

MRI-5175 Lid, interior view

(Optional)

–

D+

GND

24V

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