Honeywell H-S81-HS Operation Manual page 88

Parts of the H-S81-HS System

S81-E2001-1 Bus
The module is connected to a S81-T8003-1 termination module with 8 termi-
nals with a 20-way flat cable.

S81-E2001-2 Bus
The module is connected to the field terminal block with the S81-CCT6 6-conductor
multi-polar cable.
Function
TX DATA RS232 TX
RX DATA RS232 TX
GND G
Positive RS485 +
Negative RS485 -
GND G
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Standard Connection Diagrams
Figure 2.44 RS232/RS485 Standard Connection Diagram
NOTE: For additional details on the use of this module, please refer to the specific document
ST-007-IT-R1 RTU Modbus Protocol.
88
Termination with Flat Cable
∅
1
∅
2
∅
3
∅
4
∅
5
∅
6
∅
7
∅
8
S81-T8003-1
Figure 2.43 Field Connections
H-S81-HS Installation & Operation Manual — P/N LS10114-000HI-E:A 2/24/2015
Termination with Multi-conductor Cable
White
1
Brown
2
Green
3
Yellow
4
Gray
5
Pink
6
7
8
S81-CCT6
I/O modules