ScreenMaster RVG200
Paperless recorder
7 Configuration
OI/RVG200-EN
125
7.10.9 Comms digital input
Note.
This tab is displayed only if only if
Implementation
on the
MODBUS TCP
tab is set to
Master
–
Comms digital I/P
Comms digital I/P
Select the communications digital input to hold the status from the
nominated slave device.
Protocol
Select the communications protocol to be used by the recorder to
communicate with a nominated slave device:
None
TCP
RTU
–
–
–
communications digital channel unused.
MODBUS Transmission Control Protocol.
access a Remote Terminal Unit (RTU) via MODBUS TCP
gateway.
Note.
The following parameter is displayed only if
Protocol
is set to
TCP
.
IP-address
Enter the IP address assigned to the slave device.
Note.
The following parameters are displayed only if
Protocol
is set to
RTU
.
RTU Address
Enter the RTU address assigned to the remote unit (1 to 247).
Gateway
Set the IP address for the MODBUS TCP gateway required to
communicate with the RTU.
Note.
This setting is always required to access a RTU via Ethernet.
Note.
The remaining parameters are displayed only if
Protocol
is set to
TCP
or
RTU
.
Register Number
Enter the register number to be read or written to in the slave device.
Type
Select the register type,
Input Status
or
Coil Status
.