Installation
Page 27 of 74
057-276 ISSUE: 1.3
3.1.2 RS485 & RS485/CAN CONNECTOR
NOTE: For further details of module configuration, refer to DSE Publication: 057-128
DSE8005 SCADA Suite Software Manual.
NOTE: A 120
Ω termination resistor must be fitted across terminals A and B if the DSE8004
is the first or last device on the R485 link.
NOTE: For further details on how utilise an RS485 connection, refer to section entitled
Communication Port Usage elsewhere in this document.
Description
Cable
Socket for connection between DSE8004 and multiple DSE
modules
Belden 9841
Pin
No
Description
Cable
Size
Notes
RS485
SCR
RS485 Port Screen
0.5 mm²
AWG 20
Use only 120
RS485 approved cable (Belden 9841)
B
RS485 Port B (+)
0.5 mm²
AWG 20
Connect to RXD+ and TXD+
Use only 120
RS485 approved cable (Belden 9841)
A
RS485 Port A (-)
0.5 mm²
AWG 20
Connect to RXD- and TXD-
Use only 120
RS485 approved cable (Belden 9841)
RS485/
CAN
SCR
RS485 Port Screen
0.5 mm²
AWG 20
Use only 120
RS485 approved cable (Belden 9841)
B/L
RS485 Port B (+) or CAN
Low
0.5 mm²
AWG 20
Connect to RXD+ and TXD+ or CAN L
Use only 120
RS485 approved cable (Belden 9841)
A/H
RS485 Port A (-) or CAN
High
0.5 mm²
AWG 20
Connect to RXD- and TXD- or CAN H
Use only 120
RS485 approved cable (Belden 9841)
3.1.3 TYPICAL WIRING OF RS485
Содержание DSE8003 MKII
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