RST Instruments Ltd.
Page 7
The RS232 COM port settings are Baud 115200, 8 data bits, no parity, and 1 stop
bit. The RS485 port baud is factory fixed. Refer to Figure 3-1 for RS232 and
RS485 terminal connections.
3.1
A
DAPTOR
I
NSTALLATION
Refer to the following tables for terminal connections.
T
ABLE
3-1 RS232
T
ERMINAL
C
ONNECTIONS FOR
L
OGGER
C
ONNECTION
CR800/CR1000
RS232 Adapter Interface
Description
SW12V
1 (Red)
Power (7-12 V)
C2
C4
C6
C8
2 (Green)
RS232 Rx
C1
C3
C5
C7
3 (White)
RS232 Tx
G
4 (Black)
Ground (RS232 9-pin D-Sub pin 5) &
Power Ground
T
ABLE
3-2 RS232
T
ERMINAL
C
ONNECTIONS FOR
C
OMPUTER
C
ONNECTION
Computer RS232 Port
RS232 Adapter
Interface
Description
12V
1 (Red)
Power (7-12 V)
Rx (RS232 9-pin D-Sub pin 2)
2 (Green)
RS232 Rx
Tx (RS232 9-pin D-Sub pin 3)
3 (White)
RS232 Tx
Ground (RS232 9-pin D-Sub pin 5) & Power Ground
4 (Black)
Ground
T
ABLE
3-3 RS485
T
ERMINAL
C
ONNECTIONS
RS485 Adapter Interface
ThermArray String
Description
1 (Red)
Red
Power
2 (Green)
Green
RS485 Communications – A
3 (White)
White
RS485 Communications – B
4 (Black)
Black
Ground
