R1M-D1
5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
Phone: +81(6)6659-8201 Fax: +81(6)6659-8510 E-mail: [email protected]
EM-5659 Rev.6 P. 3 / 8
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CONNECTION DIAGRAM
Note: In order to improve EMC performance, bond the FG terminal to ground.
Caution: FG terminal is NOT a protective conductor terminal.
RS-232-C
T3
T4
T2
T1
T7
T6
T5
Term.
Resist.
Input
Circuit
When the device is located at the end of a transmission line via twisted-pair cable,
(when there is no cross-wiring), close across the terminal T2 – T3 with the attached
jumper pin (or with a leadwire).
When the device is not at the end, remove the jumper pin.
*
Power
Circuit
+
–
Shielded Twisted-pair Cable
To Other
I/O Modules
Jumper
*
FG
U (+)
V (–)
POWER
D-SUB CONNECTOR
9
8
7
6
5
4
3
2
1
10
12
11
13
15
14
16
17
18
20
19
21
22
23
24
25
27
26
28
29
30
31
32
33
35
34
36
ch.1
ch.2
ch.3
ch.4
ch.5
ch.6
ch.7
ch.8
COM (–)
ch.9
ch.10
ch.11
ch.12
ch.13
ch.14
ch.15
ch.16
COM (–)
ch.17
ch.18
ch.19
ch.20
ch.21
ch.22
ch.23
ch.24
COM (–)
ch.25
ch.26
ch.27
ch.28
ch.29
ch.30
ch.31
ch.32
COM (–)
Output
Circuit
Output
Circuit
A9
A8
A7
A6
A5
A4
A3
A2
A1
A10
A12
A11
A13
A15
A14
A16
B1
:
B16
ch.1
ch.2
ch.3
ch.4
ch.5
ch.6
ch.7
ch.8
ch.9
ch.10
ch.11
ch.12
ch.13
ch.14
ch.15
ch.16
COM (–)
A9
A8
A7
A6
A5
A4
A3
A2
A1
A10
A12
A11
A13
A15
A14
A16
ch.17
CN1
ch.18
ch.19
ch.20
ch.21
ch.22
ch.23
ch.24
ch.25
ch.26
ch.27
ch.28
ch.29
ch.30
ch.31
ch.32
■
FCN TYPE CONNECTOR
■
M3 SCREW TERMINALS
CN2
B1
:
B16
COM (–)
■
RS-232-C INTERFACE
1
5
6
9
ABBR.
PIN NO. EXPLANATION OF FUNCTION
BA (SD)
BB (RD)
AB (SG)
2
3
5
Transmitted Data
Received Data
Signal Common
CB (CS)
CA (RS)
7
8
Clear to Send
Request to Send
1
4
6
9
Not Used.
DO NOT connect. Connecting may
cause malfunctions.
