R7C-MS4
EM-7801-Q Rev.2 P. 5 / 10
COMMUNICATION CABLE CONNECTIONS
DA
DB
DG
SLD
FG
Master Unit
DA
DB
DG
SLD
FG
Remote Unit
DA
DB
DG
SLD
FG
Remote Unit
TERMINATOR
TERMINATOR
blue
white
yellow
Be sure to connect the terminating resistor included in the product package to the unit at both ends of communication line.
The terminator must be connected across DA and DB.
The Master Unit can be located other than at the extreme ends of communication line.
DATA ALLOCATION
Analog input 0
Analog input 1
Analog input 2
Analog input 3
RWrn+0
+1
+2
+3
Unused
Unused
Unused
Unused
RWwn+0
+1
+2
+3
Interval-timed Response (X)
Refresh Data (Y)
RX(n+0)F to RX(n+0)0
Reserved
(Status)
RX(n+0)F to RX(n+0)0
Reserved
(Status)
Unused
RX(n+0)F to RX(n+0)0
Reserved
(R7C-EA16)
Unused
0
F
1F
Interval-timed Response (X)
0
F
1F
Refresh Data (Y)
• Without Extension Module
0
F
1F
Interval-timed Response (X)
0
F
1F
Refresh Data (Y)
• With Extension Module R7C-EA16
RY(n+0)F to RY(n+0)0
Unused
(R7C-EC16x)
0
F
1F
Interval-timed Response (X)
0
F
1F
Refresh Data (Y)
• With Extension Module R7C-EC16x
ANALOG INPUT
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