Real Time Automation, Inc.
60
1-800-249-1612
LED Status
- This is the Status for
All Servers
or the specific Server selected.
1)
Solid Green (Connected)
–
The gateway is connected to all of the Modbus TCP Servers that are
configured and enabled.
2)
Flashing Green (Not Connected)
–
No Modbus TCP Servers are configured/enabled.
a.
Verify Modbus TCP/IP settings and ensure that the
Enable
checkbox is checked for the
appropriate device(s).
3)
Solid Red (Fatal Error)
–
Invalid configuration
a.
Verify that there are valid scan lines configured for each Server that is enabled.
b.
Verify that the IP Address of each Modbus TCP Server is valid and is on the same network as the
gateway.
4)
Flashing Red (Connection Timeout) - One or more enabled TCP Servers are missing or No configured
scan line with one or more TCP servers enabled.
a.
Verify IP Address match the device the gateway is connecting to.
b.
Verify Modbus/TCP Server is communicating on the correct TCP Port.
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):
-Each bit corresponds to a Server. If the bit is set, the Server is connected, otherwise the bit is 0.
-Bit 0 corresponds to Server 1 and Bit 4 is for Server 5 and so on.
2)
FC01 Read Coil Status:
-Function Code 1: Number of read Coil Status requests sent
-Point Type Used: 0x Coil Status
-# of Points: Any
3)
FC02 Read Input Status:
-Function Code 2: Number of read Input Status requests sent
-Point Type Used: 1x Input Status
-# of Points: Any
4)
FC03 Read Holding Registers:
-Function Code 3: Number of read Holding Register requests sent
-Point Type Used: 4x Hold Reg
-# of Points: Any
5)
FC04 Read Input Registers:
-Function Code 4: Number of read Input Register requests sent
-Point Type Used: 3x Input Reg
-# of Points: Any
6)
FC05 Force Single Coil:
