Connection Diagram; Wiring Instructions - M-system R7M-DC8C-R Instruction Manual

CONNECTION DIAGRAM

Connect the unit as in the diagram below.
4
DA
1
DB
5
DG
2
SLD
3
FG
6
24 V DC
7
0 V
In order to improve EMC performance, bond the FG
terminal to ground.
Caution: FG terminal is NOT a protective conductor terminal.
Output Connection Example
4 Points / common
24V DC
+ –
+ 24V 10
1
0V
11
Y0
14
Y3
2
COM0
+
–
5
COM0
+
–
15
Y4
18
Y7
6
COM1
+
–
9
COM1
+
–
MASTER CONNECTION
MASTER CONNECTION
Host PC
TERMINATOR
Tx+/Rx+
Tx–/Rx–
SG
Rx+
Rx–
Be sure to connect the terminating resistor included in the product package to the unit at both ends of transmission line.
The terminator must be connected across DA and DB.
The Host PC can be located other than at the extreme ends of transmission line.
SEN TRONIC
11
Y0
12
Y1
13
Y2
14
Y3
2
COM0
3
COM0
4
COM0
5
COM0
15
Y4
16
Y5
17
Y6
18
Y7
6
COM1
7
COM1
8
COM1
9
COM1
1
0 V
10 + 24 V
8 Points / common
24V DC
+ –
+ 24V 10
1
0V
11
Y0
14
Y3
15
Y4
18
Y7
2
COM0
+
–
5
COM0
+
–
6
COM1
9
COM1
Remote Unit
056 222 38 18
AG

WIRING INSTRUCTIONS

■ SCREW TERMINAL
Torque: 0.5 N·m
■ SOLDERLESS TERMINAL
Refer to the drawing below for recommended ring tongue
terminal size. Spade tongue type is also applicable. Solder-
less terminal:
Applicable wire size: 0.25 to 1.65 mm
Recommended manufacturer: Japan Solderless Terminal
MFG. Co., Ltd, Nichifu Co., Ltd
3.3 (.13) max
DA
DB
DG
SLD
FG
mailbox@sentronic.com www.sentronic.com
R7M-DC8C
(AWG 22 to 16)
2
mm (inch)
Remote Unit
TERMINATOR
DA
DB
DG
SLD
FG
EM-7803-U Rev.4 P. 3 / 7