IAI America RCM-GW-DV - Manual (Page 47)

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DeviceNet Gateway
6.1.2 Gateway Control/Status Signals
As for the address configuration in each mode, the initial two channels provide signals used to control the
Gateway Unit. Both input and output word registers consist of two words each.
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