IAI America RCM-GW-DV - Manual (Page 67)

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DeviceNet Gateway
6.3.2 Gateway Control/Status Signals
The first two channels of signals are used to control the gateway unit, and consist of two input word-
resistor words and two output word-resistor words.
It is recommended that data in these word registers be transferred to, and used in, bit registers.
Gateway control/status signals are used to control the ON/OFF status of SIO communication and monitor
the SIO communication status and Gateway Unit status.
Gateway
control signal 0
Gateway
control signal 1
PLC output
1 word = 16 bits
Gateway
status signal 0
Gateway
status signal 1
PLC input
1 word = 16 bits