M-system M5PT Bedienungsanleitung

EM-2488 Rev.6 P. 1 / 2

MG CO., LTD. www.mgco.jp

5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN

INSTRUCTION MANUAL

PT TRANSMITTER MODEL M5PT

BEFORE USE ....

Thank you for choosing us. Before use, please check con-

tents of the package you received as outlined below.

If you have any problems or questions with the product,

please contact our sales ofﬁce or representatives.

■PACKAGE INCLUDES:

Signal conditioner ...............................................................(1)

■MODEL NO.

Conﬁrm Model No. marking on the product to be exactly

what you ordered.

■INSTRUCTION MANUAL

This manual describes necessary points of caution when

you use this product, including installation, connection and

basic maintenance procedures.

POINTS OF CAUTION

■POWER INPUT RATING & OPERATIONAL RANGE

• Locate the power input rating marked on the product and

conﬁrm its operational range as indicated below:

85 – 264V AC rating: 85 – 264V, 47 – 66 Hz, approx. 2 – 3VA

24V DC rating: 24V ±10%, approx. 2W

■GENERAL PRECAUTIONS

• Before you remove the unit or mount it, turn off the power

supply and input signal for safety.

■ENVIRONMENT

• Indoor use.

• When heavy dust or metal particles are present in the

air, install the unit inside proper housing with sufﬁcient

ventilation.

• Do not install the unit where it is subjected to continuous

vibration. Do not subject the unit to physical impact.

• Environmental temperature must be within -5 to +55°C

(23 to 131°F) with relative humidity within 0 to 90% RH

in order to ensure adequate life span and operation.

■WIRING

• Do not install cables close to noise sources (relay drive

cable, high frequency line, etc.).

• Do not bind these cables together with those in which

noises are present. Do not install them in the same duct.

• Install lightning surge protectors for those wires connect-

ed to remote locations. For 24V DC power supply line,

choose a surge protector with its maximum surge volt-

age 40V or less between lines. Recommended model:

MDP-D24.

■AND ....

• The unit is designed to function as soon as power is sup-

plied, however, a warm up for 10 minutes is required for

satisfying complete performance described in the data

sheet.

COMPONENT IDENTIFICATION

Specifications Power LED

Terminal Cover

Zero Adj.

Span Adj.

Body

INSTALLATION

Set the unit so that its DIN rail adapter is at the bottom.

■MOUNTING THE UNIT ON A DIN RAIL

A)Hang the upper hook at the rear side of unit on the DIN

rail.

B)Push in the lower in keeping pressing the unit to the DIN

rail.

DIN Rail

■REMOVING THE UNIT

A)Push down the DIN rail adaptor using a minus screw-

driver.

B)Pull out the lower part of the unit.

C)Remove the upper part from the DIN rail.

Spring Loaded

DIN Rail Adaptor

M5PT

EM-2488 Rev.6 P. 2 / 2

MG CO., LTD. www.mgco.jp

5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN

TERMINAL CONNECTIONS

Connect the unit as in the diagram below or refer to the

connection diagram on the front of the unit.

■EXTERNAL DIMENSIONS unit: mm (inch)

94 (3.70)3 (.12)

25 (.98) 41 (1.61) [3.3 (.13)]

• When mounting, no extra space is needed between units.

DIN RAIL

35mm wide

8–M3.5 SCREW

7.3 (.29)

■CONNECTION DIAGRAM

–

OUTPUT

FUSE VT

LOAD

SOURCE

7U(+)

V(–)

POWER

(V)

(±)

WIRING INSTRUCTIONS

■SCREW TERMINAL

Torque: 0.8 N·m

CHECKING

1) Terminal wiring: Check that all cables are correctly con-

nected according to the connection diagram.

2) Power input voltage: Check voltage across the terminal

7 – 8 with a multimeter.

3) Input: Check that the input signal is within 5 – 120% of

the full-scale.

4) Output: Check that the load resistance meets the de-

scribed speciﬁcations.

ADJUSTMENT PROCEDURE

This unit is calibrated at the factory to meet the ordered

speciﬁcations, therefore you usually do not need any cali-

bration.

For matching the signal to a receiving instrument or in case

of regular calibration, adjust the output as explained in the

following.

■HOW TO CALIBRATE THE OUTPUT SIGNAL

Use a signal source and measuring instruments of sufﬁcient

accuracy level. Turn the power supply on and warm up for

more than 10 minutes.

1) ZERO: Apply 10% input and adjust output to 10%.

2) SPAN: Apply 100% input and adjust output to 100%.

3) Check ZERO adjustment again with 10% input.

4) When ZERO value is changed, repeat the above proce-

dure 1) – 3).

MAINTENANCE

Regular calibration procedure is explained below:

■CALIBRATION

Warm up the unit for at least 10 minutes. Apply 10%, 25%,

50%, 75% and 100% input signal. Check that the output

signal for the respective input signal remains within accu-

racy described in the data sheet. When the output is out of

tolerance, recalibrate the unit according to the “ADJUST-

MENT PROCEDURE” explained earlier.

LIGHTNING SURGE PROTECTION

We offer a series of lightning surge protector for protec-

tion against induced lightning surges. Please contact us to

choose appropriate models.

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