Det-tronics Mac - w/Supercard Manual de usuario descargar pdf (Pagina 43)

4. To configure the gateway relays, select Modify Relays. The

Gateway relay configuration screen is displayed:

5. The upper right area of the screen has two entries relating to

“Slave PLC” operation. When the gateway is configured so its

Port “0” is a Modbus RTU Master (to feed information to a PLC),

the Modbus Address and register offset may need to be adjust-

ed. The default values are MB address “1” and an offset of “0.”

Changing the PLC address (1 – 247) is used to ensure the gate-

way sends its data to the right PLC. The offset determines where

in the “40,000” register memory the data is placed. Normally

the gateway starts placing data in a Slave PLC’s memory at

40,001. If an offset of “100” were specified, it would start at

40,101.

6. Configure the gateway relays.

Gateway relay configuration involves selecting a range of points

(communication modules and their associated devices), which will

be monitored for any of the fault/alarm conditions listed. Any

fault/alarm that has been selected will cause the gateway relay to

energize/de-energize.

The point display screen provides a means of inhibiting a point. When a

point is inhibited, the gateway relay will not respond to any events or

alarms generated by a particular point. However, events configured in

the OIS will still respond.

Gateway Relay Configuration

2.30

95-8434

A1796

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Det-tronics Mac - w/Supercard Manual de usuario Pagina 43