R7M-DC4G
EM-7803-BB P. 4 / 4
■
CONNECTION DIAGRAM
Note: In order to improve EMC performance, bond the FG terminal to ground.
Caution: FG terminal is NOT a protective conductor terminal.
4
1
2
5
3
DA
DB
DG
SLD
FG
6
7
0V
24V DC
10
5
1
13
17
4
18
2
8
9
3
12
15
11
16
6
7
Y1B (NC)
COM1
COM1
Y0A (NO)
Y0B (NC)
COM0
COM0
Y1A (NO)
Y3B (NC)
COM3
COM3
0V
+24V
Y2A (NO)
Y2B (NC)
COM2
COM2
Y3A (NO)
14
COMMUNICATION CABLE CONNECTIONS
■
MASTER CONNECTION
Tx+/Rx+
Tx–/Rx–
SG
Rx+
Rx–
Host PC
DA
DB
DG
SLD
FG
Remote Unit
DA
DB
DG
SLD
FG
Remote Unit
TERMINATOR
TERMINATOR
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.
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.
Applicable wire size: 0.25 to 1.65 mm
2
(AWG 22 to 16)
Recommended manufacturer: Japan Solderless Terminal
MFG. Co., Ltd, Nichifu Co., Ltd
6 (.24) max
3.3 (.13) max
mm (inch)
056 222 38 18
www.sentronic.com
SENTRONIC
AG
