Simex Simpact SZP-73 Bedienungsanleitung

SIMEX®

USER MANUAL for

regulated current source

family:

type: SZ -73

firmware version: 5.00 or higher

Read the user's manual carefully before starting to use the unit.

Producer reserves the right to implement changes without prior notice.

18.1 . 007 V. .01

User manual for regulated current source SZP-73
CONTENTS
BASIC REQUIREMENTS AND USER SAFETY........................................................................................ 3
GENERAL CHARACTERISTICS................................................................................................................4
TECHNICAL DATA......................................................................................................................................4
DEVICE INSTALLATION............................................................................................................................5
1. UNPACKING.......................................................................................................................................6
2. ASSEMBLY........................................................................................................................................6
3. CONNECTION METHOD...................................................................................................................8
3.1. Calculat on of max. perm ss ble  load res stance................................................................... 11
4. MAINTENANCE................................................................................................................................12
FRONT PANEL DESCRIPTION................................................................................................................12
PRINCIPLE OF OPERATION...................................................................................................................13
1. CURRENT SOURCE MODE............................................................................................................13
1.1. Regulat on and d splay ng of d rect current value...................................................................13
1.2. Regulat on and d splay ng of recalculated value....................................................................13
DEVICE PROGRAMMING.........................................................................................................................14
1. PROGRAMMING MENU..................................................................................................................14
2. PARAMETERS EDITION.................................................................................................................15
2.1. Numer c parameters (d g t change mode)...............................................................................15
2.2. Numer c parameters (sl de change mode)..............................................................................15
2.3. Sw tch parameters (“LIST” type).............................................................................................15
3. MENU DESCRIPTION.....................................................................................................................16
3.1. “OUtL” parameter....................................................................................................................16
3.2. “OUtH” parameter....................................................................................................................16
3.3. “Pnt” parameter.......................................................................................................................16
3.4. “In t” parameter........................................................................................................................17
3.5. “IvAL” parameter.....................................................................................................................17
3.6. ”br ” parameter.........................................................................................................................17
3.7. ”CoL” parameter......................................................................................................................17
3.8. ”Scod” parameter....................................................................................................................17
3.9. ”rS” menu.................................................................................................................................17
3.10. ”Ed t” parameter....................................................................................................................18
3.11. ”dEFS” parameter..................................................................................................................18
3.12. ”SErv” menu..........................................................................................................................18
4. MENU STRUCTURE........................................................................................................................19
THE MODBUS PROTOCOL HANDLING.................................................................................................2 
1. LIST OF REGISTERS......................................................................................................................20
2. TRANSMISSION ERRORS DESCRIPTION....................................................................................21
3. EXAMPLES OF QUERY/ANSWER FRAMES.................................................................................21
DEFAULT AND USER'S SETTINGS LIST...............................................................................................23
2

User manual for regulated current source SZP-73

Explanation of symbols used in the manual:

- Th s symbol denotes espec ally mportant gu del nes concern ng the nstallat on and

operat on of the dev ce. Not comply ng w th the gu del nes denoted by th s symbol

may cause an acc dent, damage or equ pment destruct on.

IF THE DEVICE IS NOT USED ACCORDING TO THE MANUAL THE USER IS

RESPONSIBLE FOR POSSIBLE DAMAGES.

- Th s symbol denotes espec ally mportant character st cs of the un t.

Read any nformat on regard ng th s symbol carefully

1. BASIC REQUIREMENTS AND USER SAFETY

- The manufacturer is not responsible for any damages caused by

inappropriate installation, not maintaining the proper technical condition

and using the unit against its destination.

- Installation should be conducted by qualified personnel . During installation all

available safety requirements should be considered. The fitter is responsible for

executing the installation according to this manual, local safety and EMC

regulations.

- The unit must be properly set-up, according to the application. Incorrect

configuration can cause defective operation, which can lead to unit damage or

an accident.

- If in the case of a defect of unit operation there is a risk of a serious threat

to the safety of people or property additional, independent systems and

solutions to prevent such a threat must be used.

- The unit uses dangerous voltage that can cause a lethal accident. The unit

must be switched off and disconnected from the power supply prior to

starting installation of troubleshooting (in the case of malfunction).

- Neighbouring and mating equipment must meet the requirements of appropriate

standards and regulations concerning safety and be equipped with adequate

anti-overvoltage and anti-interference filters.

- Do not attempt to disassemble, repair or modify the unit yourself. The unit

has no user serviceable parts. Units, in which a defect was stated must be

disconnected and submitted for repairs at an authorized service centre.

- In order to minimize fire or electric shock hazard, the unit must be protected

against atmospheric precipitation and excessive humidity.

- Do not use the unit in areas threatened with excessive shocks, vibrations, dust,

humidity, corrosive gasses and oils.

- Do not use the unit in explosion hazard areas.

User manual for regulated current source SZP-73

- Do not use the unit in areas with significant temperature variations, exposed to

condensation or icing.

- Do not use the unit in areas exposed to direct sunlight.

- Make sure that the ambient temperature (e.g. inside the control box) does not

exceed the recommended values. In such cases forced cooling of the unit must

be considered (e.g. by using a ventilator).

The unit is designed for operation in an industrial environment and must

not be used in a household environment or similar.

2. GENERAL CHARACTERISTICS

Regulated current source SZ -73 allows generation of user settable current (in range

4- 0 mA). Increasing and decreasing of output current can be made using local keyboard.

Device displays present value of output current recalculated according to set display range

(-999 do 9999 with free selectable decimal point). Quick view and regulation of output current

is possible at any time. The device can replace all two wire analogue current sources

(4- 0mA) used for controlling of industrial processes.

3. TECHNICAL DATA

Power supply voltage

(depending on version)

External fuse (required)

Power consumption

85...230... 60V AC/DC; 50 ÷ 60 Hz

or 19...24...50V DC; 16...24...35V AC

T - type, max. A

max. 4.5 VA @ 85 ÷ 60V AC/DC

max. 4.5 VA @ 16V ÷ 35V AC

max. 4.5 W @ 19V ÷ 50V DC

Outputs

current:

sensor power supply:

4÷ 0 mA (passive), isolated from other terminals

4V +5%, -10% / max. 100 mA, stabilized

Current output ext. supply voltage. min. 6.5 V

Precision ± 0 µA

Stability typ. 50 ppm / °C

Display range -999 ÷ 9999, plus decimal point

Communication interface RS 485, 8N1 and 8N , Modbus RTU, not separated

Baud rate 1 00 bit/s ÷ 115 00 bit/s

Display

(depending on version)

LED, 4 digit, 13mm height, two-colour (red and green)

or (for IP 65 version) 5 digit, 9mm height, red

Data memory non-volatile memory, EEPROM type

Protection level IP 65 (from front, after using waterproof cover)

IP 40 (from front)

IP 0 (housing and connection clips)

User manual for regulated current source SZP-73

Housing type

Housing material

Housing dimensions

Mounting hole

Assembly depth

Panel thickness

panel

NORYL - GFN S E1

7 x 36 x 97 mm

66.5 x 3 .5 mm

min. 10 mm

max. 5 mm

Operating temperature

Storage temperature

Humidity

Altitude

0°C to +50°C

-10°C to +70°C

5 to 90% no condensation

up to 000 meters above sea level

Screws tightening max. torque 0,5 Nm

Max. connection leads diameter ,5 mm

Safety requirements according to: PN-EN 61010-1

installation category: II

pollution degree:

voltage in relation to ground: 300V AC

insulation resistance: > 0MΩ

insulation strength between power supply and

input/output terminal: 1min. @ 300V

EMC according to: PN-EN 613 6

This is a class A unit. In housing or a similar area it can cause radio

frequency interference. In such cases the user can be requested to use

appropriate preventive measures.

4. DEVICE INSTALLATION

The unit has been designed and manufactured in a way assuring a high level of user

safety and resistance to interference occurring in a typical industrial environment. In order to

take full advantage of these characteristics installation of the unit must be conducted correctly

and according to the local regulations.

- Read the basic safety requirements on page 3 prior to starting the installation.

- Ensure that the power supply network voltage corresponds to the nominal

voltage stated on the unit’s identification label.

- The load must correspond to the requirements listed in the technical data.

- All installation works must be conducted with a disconnected power supply.

- Protecting the power supply clamps against unauthorized persons must be

taken into consideration.

User manual for regulated current source SZP-73

4.1. UNPACKING

After removing the unit from the protective packaging, check for transportation damage. Any

transportation damage must be immediately reported to the carrier. Also, write down the unit

serial number on the housing and report the damage to the manufacturer.

Attached with the unit please find:

- user’s manual,

- warranty,

- assembly brackets - pieces.

4.2. ASSEMBLY

- The unit is designed for mounting indoor inside housings (control panel,

switchboard) assuring appropriate protection against electric impulse waves.

Metal housing must be connected to the grounding in a way complying with the

governing regulations.

- Disconnect the power supply prior to starting assembly.

- Check the correctness of the performed connections prior to switching the unit on.

In order to assembly the unit, a 66,5 x 3 ,5 mm mounting hole (Figure 4.1) must be

prepared. The thickness of the material of which the panel is made must not exceed

5mm. When preparing the mounting hole take the grooves for catches located on

both sides of the housing into consideration (Figure 4.1). Place the unit in the

mounting hole inserting it from the front side of the panel, and then fix it using the

brackets (Figure 4. ). The minimum distances between assembly holes’ axes - due

to the thermal and mechanical conditions of operation - are 91 mm x 57mm

(Figure 4.3).

F gure 4.1. Mount ng hole d mens ons

1 mm max. 5 mm

66,5 mm

3 ,5 mm

1 mm

8 mm

User manual for regulated current source SZP-73

F gure 4.2. Install ng of brackets, and d mens ons of connectors.

F gure 4.3. M n mum d stances when assembly of a number of un ts

5 mm

9 mm

1 mm

10 mm

16 mm

8,5 mm

91 mm

57 mm

User manual for regulated current source SZP-73

4.3. CONNECTION METHOD

Caution

- Installation should be conducted by qualified personnel . During installation all

available safety requirements should be considered. The fitter is responsible for

executing the installation according to this manual, local safety and EMC

regulations.

- The unit is not equipped with an internal fuse or power supply circuit breaker.

Because of this an external time-delay cut-out fuse with minimal possible nominal

current value must be used (recommended bipolar, max. A) and a power supply

circuit-breaker located near the unit. In the case of using a monopolar fuse it must

be mounted on the phase cable (L).

- The power supply network cable diameter must be selected in such a way that in

the case of a short circuit of the cable from the side of the unit the cable shall be

protected against destruction with an electrical installation fuse.

- Wiring must meet appropriate standards and local regulations and laws.

- In order to secure against accidental short circuit the connection cables must be

terminated with appropriate insulated cable tips.

- Tighten the clamping screws. The recommended tightening torque is 0.5 Nm.

Loose screws can cause fire or defective operation. Over tightening can lead to

damaging the connections inside the units and breaking the thread.

- In the case of the unit being fitted with separable clamps they should be inserted

into appropriate connectors in the unit, even if they are not used for any

connections.

- Unused clamps (marked as n.c.) must not be used for connecting any

connecting cables (e.g. as bridges), because this can cause damage to the

equipment or electric shock.

- If the unit is equipped with housing, covers and sealing packing, protecting

against water intrusion, pay special attention to their correct tightening or clamping.

In the case of any doubt consider using additional preventive measures (covers,

roofing, seals, etc.). Carelessly executed assembly can increase the risk of electric

shock.

- After the installation is completed do not touch the unit’s connections when it is

switched on, because it carries the risk of electrical shock.

User manual for regulated current source SZP-73

Due to possible significant interference in industrial installations appropriate measures

assuring correct operation of the unit must be applied. To avoid the unit of improper

indications keep recommendations listed below.

–Avoid common (parallel) leading of signal cables and transmission cables together with

power supply cables and cables controlling induction loads (e.g. contactors). Such cables

should cross at a right angle.

–Contactor coils and induction loads should be equipped with anti-interference protection

systems, e.g. RC-type.

–Use of screened signal cables is recommended. Signal cable screens should be

connected to the earthing only at one of the ends of the screened cable.

–In the case of magnetically induced interference the use of twisted couples of signal

cables (so-called “spirals”) is recommended. The spiral (best if shielded) must be used

with RS-485 serial transmission connections.

–In the case of interference from the power supply side the use of appropriate anti-

interference filters is recommended. Bear in mind that the connection between the filter

and the unit should be as short as possible and the metal housing of the filter must be

connected to the earthing with largest possible surface. The cables connected to the filter

output must not run in parallel with cables with interference (e.g. circuits controlling relays

or contactors).

Connections of power supply voltage and measurement signals are executed using the

screw connections on the back of the unit’s housing.

F gure 4.4. Method of cable nsulat on replac ng and cable term nals

max. mm

6-7 mm

User manual for regulated current source SZP-73

F gure 4.5. Term nals descr pt on

All connections must be made while power supply is disconnected !

Depend ng on vers on:

85...23 ...260V AC/DC or

19...24...50V DC; 16...24...35V AC

F gure 4.6. Connect on of power supply

F gure 4.7. Example of pass ve current output connect ons

1 2

106 7 8 9

18 19 201716

+ Uo -

+24V +5%, -10%

Imax = 100mA

ower

supply

(depending on version)

n.c.

n.c.n.c.

ASSIVE

current output

GND DATA+

DATA-

RS - 485

FUSE

L N

1 21 21 21 21 21 21 21 21 2

1 2

1 21

8 9

1716 mA

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