RTA 460ESMC, Руководство пользователя

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Real Time Automation, Inc. 67 1-800-249-1612
5) Flashing Red (Empty Scan List) - One or more enabled Modbus TCP servers have no scan lines
configured.
6) Flashing Red (Communication not attempted yet) – (Specific server only) No reads are configured
and data needed for writes isn’t valid yet.
7) Flashing Red (Dependency Error) - The dependent protocol is missing causing the communication to
go to inactive.
a)
The other protocol must be Connected .
8) Off – The Ethernet cable is not connected to the gateway or there is no power to the gateway.
Variables - These are the values for All Servers, or the specific server selected.
1) Network Bitmap Status (Displayed in Hex):
a)
Each bit corresponds to a server. If the bit is set, the server is connected, otherwise the bit is 0.
b) Bit 0 corresponds to server 1 and Bit 4 is for server 5 and so on.
2) FC01 Read Coil Status:
a)
Function Code 1: Number of read Coil Status requests sent
b) Point Type Used: 0x Coil Status
c) # of Points: Any
3) FC02 Read Input Status:
a)
Function Code 2: Number of read Input Status requests sent
b) Point Type Used: 1x Input Status
c) # of Points: Any
4) FC03 Read Holding Registers:
a)
Function Code 3: Number of read Holding Register requests sent
b) Point Type Used: 4x Hold Reg
c) # of Points: Any
5) FC04 Read Input Registers:
a)
Function Code 4: Number of read Input Register requests sent