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EXTERNAL DIMENSIONS unit: mm (inch)
4
5
6
7
1
2
3
for Modbus, POWER
CONNECTION DIAGRAM
Connect the unit as in the diagram below.
INPUT 0
INA0
INB0
INb0
INPUT 1
INA1
INB1
INb1
INPUT 2
INA2
INB2
INb2
INPUT 3
INA3
INB3
INb3
In order to improve EMC performance, bond the FG
terminal to ground.
Caution: FG terminal is NOT a protective conductor terminal.
Input Connection Example
RTD
INAn
A
INBn
B
INbn
B
SEN TRONIC
115 (4.53)
10 11 12 13
14
15 16 17 18
1
2
3
4
5
6
7
8
6 (.24)
7–M3 SCREW
18–M3 SCREW
TERMINALS
TERMINALS
for INPUT
10
4
DA
2
1
DB
11
5
DG
2
SLD
12
3
FG
4
6
24VDC
13
7
0V
15
7
16
17
9
18
056 222 38 18
AG
17 (.66)
9
6 (.24)
WIRING INSTRUCTIONS
■ SCREW TERMINAL
Torque: 0.5 N·m
■ SOLDERLESS TERMINAL mm (inch)
Refer to the drawing below for recommended ring tongue
terminal size. Spade tongue type is also applicable. Solder-
less terminals with insulation sleeve do not fit.
Communication cable: Applicable wire size 0.2 to 0.5 mm
(AWG26 - 22)
Recommended manufacturer: Japan Solderless Terminal
MFG.Co.Ltd
Others: 0.25 to 1.65 mm
Recommended manufacturer: Japan Solderless Terminal
MFG.Co.Ltd, Nichifu Co.,ltd
mailbox@sentronic.com
www.sentronic.com
R7M-RS4
54 (2.13)
DIN RAIL
35mm wide
30 (1.18)
[5 (.20)]
2
(AWG 22 to 16)
3.3 (.13) max
mm (inch)
EM-7803-C Rev.5
2
P. 3 / 7
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