ABB 620 Series ANSI, Manual

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1MAC052634-MB D
Section 4
Modbus parameters and diagnostics
615/620 series ANSI 47
Communication Protocol Manual
Section 4 Modbus parameters and diagnostics
4.1 Parameter list
The Modbus parameters can be accessed with PCM600 or via the LHMI path
Configuration > Communication > Modbus .
Table 35: MODBUS settings
Parameter Values (Range) Unit Step Default Description
InOv 0=False
1=True
0=False Modbus Internal
Overflow:
TRUE-System level
overflow occurred
(indication only)
Serial port 1 0=Not in use
1=COM 1
2=COM 2
0=Not in use COM port for Serial
interface 1
Parity 1 0=none
1=odd
2=even
2=even Parity for Serial
interface 1
Address 1 1...255 1 Modbus unit address
on Serial interface 1
Link mode 1 1=RTU
2=ASCII
1=RTU Modbus link mode
on Serial interface 1
Start delay 1 0...20 char 4 Start frame delay in
chars on Serial
interface 1
End delay 1 0...20 char 3 End frame delay in
chars on Serial
interface 1
Serial port 2 0=Not in use
1=COM 1
2=COM 2
0=Not in use COM port for Serial
interface 2
Parity 2 0=none
1=odd
2=even
2=even Parity for Serial
interface 2
Address 2 1...255 2 Modbus unit address
on Serial interface 2
Link mode 2 1=RTU
2=ASCII
1=RTU Modbus link mode
on Serial interface 2
Start delay 2 0...20 4 Start frame delay in
chars on Serial
interface 2
End delay 2 0...20 3 End frame delay in
chars on Serial
interface 2
MaxTCPClients 0...5 5 Maximum number of
Modbus TCP/IP
clients