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■ CONNECTION DIAGRAM
4
RXD+ (TR+)
5
RXD– (TR–)
1
TXD + (NC)
2
TXD– (NC)
3
FG
6
24V DC
7
0V
Note 1: Terminal numbers in parentheses are for half-duplex communication model.
Note 2: In order to improve EMC performance, bond the FG terminal to ground.
Caution: FG terminal is NOT a protective conductor terminal.
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.
Recommended solderless terminal:
• Communication cables
Applicable wire size: 0.2 to 0.5 mm
Recommended manufacturer: Japan Solderless Terminal
MFG. Co., Ltd.
• Others
Applicable wire size: 0.25 to 1.65 mm
Recommended manufacturer: Japan Solderless Terminal
MFG. Co., Ltd. or Nichifu Co., Ltd.
3.3 (.13) max
4 (.16) min
Output Connection Example
11
Y0
4 points / common
12
Y1
10
+ 24V
13
Y2
1
0V
14
Y3
11
Y0
2
COM0
14
Y3
3
COM0
2
COM0
4
COM0
5
COM0
5
COM0
15
Y4
15
Y4
16
Y5
18
Y7
17
Y6
6
COM1
18
Y7
9
COM1
6
COM1
7
COM1
8
COM1
9
COM1
1
0V
10
+24V
(AWG 26 to 22)
2
(AWG 22 to 16)
2
3.2 (.13) dia.
mm (inch)
5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
Phone: +81(6)6659-8201 Fax: +81(6)6659-8510 E-mail: info@m-system.co.jp
8 points / common
24V DC
+
–
10
+ 24V
1
0V
11
Y0
14
Y3
15
Y4
+
–
18
Y7
+
–
2
COM0
5
COM0
6
COM1
9
COM1
+
–
+
–
R7HL-DC8C
24V DC
+
–
+
–
+
–
EM-7812-U Rev.5 P. 4 / 5
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