M-system R9MWTU Instruction Manual page 5

■ CONNECTION DIAGRAM
Note: In order to improve EMC performance, bond the FE1 terminal to ground.
Caution: FE1 terminal is NOT a protective conductor terminal.
AUX. POWER SUPPLY
VOLTAGE INPUT
CURRENT INPUT 1
U （＋）
1
AUXILIARY
POWER SUPPLY
V （−）
2
3
FE1
4
P1
5
P2
VOLTAGE
6
P3
7
N
11
1K
2
1L
Ch. 1
CURRENT
12
3K
3
3L
13
1K
4
1L
Ch. 2
CURRENT
14
3K
3L 5
15
1K
6
1L
Ch. 3
CURRENT
16
3K
7
3L
17
1K
8
1L
Ch. 4
CURRENT
18
3K
3L 9
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
4
DA
1
DB
To other
5
DG
Modbus devices
2
SLD
3
FE
10
1K
1
1L
Ch. 5
CURRENT
11
3K
2
3L
12
1K
3
1L
Ch. 6
CURRENT
13
3K
4
3L
14
1K
5
1L
Ch. 7
CURRENT
15
3K
6
3L
16
1K
7
1L
Ch. 8
CURRENT
17
3K
8
3L
R9MWTU
COMMUNICATION
CURRENT INPUT 2
EM-6221 Rev.9 P. 5 / 20