Real Time Automation, Inc.
60
1-800-249-1612
b)
No Ethernet cable plugged in.
Variables:
1)
FC01 Read Coil Status
–
Modbus Function Code 1: Number of Read Coil Status requests received.
2)
FC02 Read Input Status
–
Modbus Function Code 2: Number of Read Input Status requests
received.
3)
FC03 Read Holding Registers
–
Modbus Function Code 3: Number of Read Holding Registers
requests received.
4)
FC04 Read Input Registers
–
Modbus Function Code 4: Number of Read Input Registers requests
received.
5)
FC05 Force Single Coil
–
Modbus Function Code 5: Number of Write Coil Status requests
received.
6)
FC06 Preset Single Register
–
Modbus Function Code 6: Number of Write Holding Register
requests received.
7)
FC15 Force Multiple Coils
–
Modbus Function Code 15: Number of Write Multiple Coil Status
requests received.
8)
FC16 Preset Multiple Registers
–
Modbus Function Code 16: Number of Write Multiple Holding
Register requests received.
9)
FC23 Read/Write 4X Register
–
Modbus Function Code 23: Number of Read/Write Holding
Registers requests received.
10)
Successful Responses Sent
–
Total number of Read/Write messages sent by the gateway.
11)
Error Responses Sent - Total number of Read/Write errors sent by the gateway.
12)
Timeouts TCP Closed
–
Total number of Read/Write timeouts that cause the Modbus TCP/IP
connection to close.
13)
TCP Connections Open
–
Number of Modbus TCP/IP connections that have been opened to the
gateway.
