3 rs485 interface, User interface – KACO Powador XP500-XP550-HV TL User Manual
Page 93
Operating Instructions Powador XP500/550-HV-TL
Page 93
User interface
9.3 RS485 interface
The inverter has two RS485 connections.
RS485-1
Interface for the Powador Argus
Interface for optional Powador-go
RS485-2
Interface for the MMI’s internal data logger, or for the external Powador proLOG data logger
9.3.1 RS485-1 Interface
1d
5d
2d
6d
3d
7d
4d
8d
1c
PE
5c
2c
6c
3c
7c
4c
8c
1c
PE
1d
PE
RS485
2d
5d
2c
5c
3d
6d
3c
6c
4d
7d
8d
4c
7c
8c
Signal transceiver
A
B
GND
Figure 82: RS485-1 connection
Figure 83: Circuit diagram for RS485-1
connection
Terminal number
Terminal designation
Specification
Wire cross- section
1c
RS485 A1
RS485 signal A1
AWG 20
(0.518mm
2
)
1d
RS485 B1
RS485 signal B1
3c
RS485 C1
Termination resistor
terminal
3d
RS485 G1
RS485 data transmission
GND 1
"
For termination disposal, you can use RS485 B1(1d) and RS485 C1(3c) with jumper because termination
resistor is already installed inside of XCU of XP500/550-HV-TL.
Table 26: Connections for RS485-1