7ML19985MA01
SITRANS RD500 – OPERATING INSTRUCTIONS
Page 39
AppendixA:
Input Modules
Wiring Diagram to Connect to SITRANS LU with SmartLinx®
Modbus RTU Card
Connecting the communication cable to the SITRANS LU.
MultiRanger 100/200, HydroRanger 200
Port 2 setup parameters:
*(2) refers to the primary index (secondary index 0).
Wiring Diagram to Connect to MultiRanger 100/200 and the
HydroRanger 200
Connecting the communication cable to the MultiRanger 100/200 or HydroRanger 200.
Parameter
Description
P770 (2)* = 3
Modbus RTU slave
P771 (2) = 1
address 1 to 247
P772 (2) = 9.6
baud rate selectable
P773 (2) = 0
no parity
P774 (2) = 8
8 data bits
P775 (2) = 1
1 stop bit
P778 (2) = 0
modem not attached
RS-485 (RJ45)
RD500
RS-485 (RJ45)
RD500