Communication Cable Connections - M-system R7HL-DC8C-R Instruction Manual

COMMUNICATION CABLE CONNECTIONS

MASTER CONNECTION
• Full-duplex communication
Master Module
TXD +
TXD –
Terminating
RXD +
Resistor
RXD –
SHIELD
• Half-duplex communication
Master Module
TR +
Terminating
Resistor
TR –
SHIELD
Note: Be sure to turn ON the switch of the terminating resistor located at both ends of the modules.
I/O DATA DESCRIPTIONS
■ RELAY CONTACT OUTPUT
• Di
15
Unused
0: OFF
1: ON
SEN TRONIC
Slave Module
RXD +
RXD –
TXD +
TXD –
FG
(SHIELD)
Slave Module
TR +
TR –
FG
(SHIELD)
• Do
0 15
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AG
R7HL-DC8C
Slave Module
RXD +
RXD –
Terminating
TXD + Resistor
TXD –
FG
(SHIELD)
Slave Module
TR +
Terminating
Resistor
TR –
FG
(SHIELD)
0
Output 0
Output 1
Output 2
Output 3
:
:
Output 7
EM-7812-U Rev.5 P. 5 / 5
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