APPLICATION FUNCTIONS 5-79
MON2000
JULY 2010 Com ID
1. User_Modbus and SIM_2251 are slave port
protocols (the GC Controller can operate only as a
slave).
2. User_Modbus, a PLC emulation Modbus protocol,
can use scaling to convert floating point numbers to
integers.
3. SIM_2251 emulates Daniel 2500 communication
protocol and is a simulation of the 2251 GC
Controller.
4. See Appendix I for instructions on how to connect
a modem to the GC Controller.
Table 5-15 Description of Com ID Settings
Connection Usage Read/Write Protocol
PC or modem
(direct serial connection)
PC
User_Modbus
SIM_2251
R
RW
ASCII
RTU
DCS User_Modbus
SIM_2251
R
RW
ASCII
RTU
Printer
(direct serial connection)
Report W ASCII