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Generation C / Génération C - ASCO Numatics

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00236GB-2005/R01<br />

Availability, design and specifi cations are subject to change without notice. All rights reserved.<br />

MODBUS<br />

■ Connection of M12 connectors (Ref. G, page 15)<br />

4<br />

1<br />

5<br />

3<br />

2<br />

View from screw side of<br />

connector<br />

■ Programming instructions<br />

VALVE ISLANDS - GENERATION C<br />

Pin Signal name Description<br />

1 Tx + RS 485 high<br />

2 5V - Bus<br />

5V power supply<br />

to terminating resistor<br />

3 Tx - RS 485 low<br />

4 GND - BUS ( )<br />

*<br />

GND - signal<br />

5 NC -<br />

Shield - Protection earth<br />

( * ) In case of connection with 2-wire cable, pin 4 must be connected.<br />

According to the PLC network cards, please fi nd below all specifi cations to parameter a JOUCOMATIC island with Modbus.<br />

- Speed : 4800, 9600 or 19200 Baud<br />

- Island profi le: "RTU - 8 bit format with parity"<br />

Make sure that the parity you choose corresponds to that defi ned for the CPU.<br />

- Connection type: RS 485 - 2 wires<br />

■ Address selection<br />

+ 5 V<br />

+ 24 V<br />

RUN/MOD<br />

ERR/NET<br />

ON ON<br />

8 1 4 1<br />

NOTE:<br />

The default address of the module is "03" at delivery<br />

You can change the island's address with the dip switches in<br />

the bus coupling module.<br />

Example of an island with address # 03<br />

8 7 6 5 4 3 2 1<br />

OFF<br />

ON<br />

Position 8 7 6 5 4 3 2 1<br />

Signifi cative value 1 2 4 8 16 32 64 128<br />

Address 00<br />

ADR 02<br />

ADR 03<br />

ADR 04<br />

I<br />

I<br />

ADR 254<br />

ADR 255<br />

0 0 0 0 0 0 0 0<br />

0 1 0 0 0 0 0 0<br />

1 1 0 0 0 0 0 0<br />

0 0 1 0 0 0 0 0<br />

0 1 1 1 1 1 1 1<br />

1 1 1 1 1 1 1 1<br />

All leafl ets are available on: www.asconumatics.eu<br />

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