R1M-J3
P. 4 / 4
EM-5654 Rev.5
M-SYSTEM WARRANTY
M-System warrants such new M-System product which it manufactures to be free from defects in materials and workmanship during the 36-month period following the date that such
product was originally purchased if such product has been used under normal operating conditions and properly maintained, M-System’s sole liability, and purchaser’s exclusive
remedies, under this warranty are, at M-System’s option, the repair, replacement or refund of the purchase price of any M-System product which is defective under the terms of this
warranty. To submit a claim under this warranty, the purchaser must return, at its expense, the defective M-System product to the below address together with a copy of its original
sales invoice.
THIS IS THE ONLY WARRANTY APPLICABLE TO M-SYSTEM PRODUCT AND IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING ANY IMPLIED
WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. M-SYSTEM SHALL HAVE NO LIABILITY FOR CONSEQUENTIAL, INCIDENTAL OR
SPECIAL DAMAGES OF ANY KIND WHATSOEVER.
M-System Co., Ltd., 5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN, Phone: (06) 6659-8201, Fax: (06) 6659-8510, E-mail: [email protected]
MODBUS WIRING CONNECTION
R1M
T1
T2
T3
T4
R1M
T1
T2
T3
T4
T1
T2
T3
T4
R1M
CONNECTO
R
RS-232C
RS-485
*
1
*
1
*
1. Internal terminating resistor is used when the device is at the end of a transmission line.
*
2. Install shielded cables to all sections and ground them at single point.
*
2
FG
RS-485
TERMINAL CONNECTIONS
Connect the module referring to the connection diagram.
RS-232C
T3
T4
T2
T1
T7
T6
T5
Term.
Resist.
Output
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.
*
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
TRIGGER INPUT
+
–
Power
Circuit
Input
Circuit
+
–
Shielded Twisted-pair Cable
To Other
I/O Modules
Jumper
*
FG
U (+)
V (–)
POWER
D-SUB CONNECTOR
A
B
B
RTD INPUT
+
–
3
2
1
POT INPUT
INPUT 1
max.
min.
A
B
B
3
2
1
INPUT 2
A
B
B
3
2
1
INPUT 3
A
B
B
3
2
1
INPUT 4
A
B
B
3
2
1
INPUT 5
A
B
B
3
2
1
INPUT 6
A
B
B
3
2
1
INPUT 7
A
B
B
3
2
1
INPUT 8
Unused
This device is not designed to attenuate noises on input signals, therefore we ecommend that the user
takes precautions to eliminate noises from the input signals e.g. by using shielded twisted-pair cable.
DO NOT CONNECT to the terminals 25 through 34. Wrong connection may cause failure of the device.
ABBR.
PIN NO. EXPLANATION OF FUNCTION
BA (SD)
2
Transmitted Data
BB (RD)
3
Received Data
AB (SG)
5
Signal Common
CB (CS)
7
Clear to Send
CA (RS)
8
Request to Send
1
Not Used.
4
DO NOT connect. Connecting may
6
cause malfunctions.
9
1
5
6
9
■
RS-232C INTERFACE
