Omron FZ4 Series User Manual page 482

When processing is not performed normally
(Parameters explanation)
Communication module
types
Input state
(Example)
When getting the serial (Ethernet) input state
7
<Command>
<Response>
Setting communication module input states
Permits/prohibits input to communication modules.
Any communication module whose input state is set to Prohibit (0) accepts no communications
whatsoever. However, inputs related to hardware (parallel STEP signals/DSA signals and ECAT STEP,
etc.) are not included in the prohibition.
<Command format>
or
(Response format)
When processing is performed normally
480 Controlling/Outputting through Serial Communication (Non-procedure)
0: Serial (Ethernet)
1: Serial (RS-232C/422)
2: Parallel IO
3: Fieldbus
4: Remote operation
0: Prohibited
1: Permitted
FZ4 User's Manual