Industrial I/O Wireless Device Hardware Manual
M2I Corporation
11-35, Simin-daero 327beon-gil, Dongan-gu, Anyang-si, Gyeonggi-do 14055, Korea,
Tel: +82-70-465-3366, Fax: +82-31-465-3355,
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6.2.3 COMM. Connector pin number and Signal name
Type
Pin No.
Signal
Direction
Meaning
9Pin Female
1
RX+(TRX+)
Input
RS-422/485 Receive Data (+)
2
RD
Input
RS-232C Receive Data
3
SD
Output
RS-232C Send Data
4
RX+(TRX-)
Input
RS-422/485 Receive Data (-)
5
SG
-
Signal Ground
6
TX+(TRX+)
Output
RS-422/485 Send Data (+)
7
N.C
-
Not Available
8
N.C
-
Not Available
9
TX-(TRX-)
Output
RS-422/485 Send Data (-)
(1) Be sure to connect the RD and SD to the RS-232C communication line by crossing each other with a
Twisted Pair Cable. Please connect SG directly.
(2) RS-422/485 communication line must use RDA and RDB as Twisted Pair Cable, SDA and SDB as Twisted Pair
Cable.
(3) Please connect Signal Ground and Outer Device’s Signal Ground together. It will make better noise
endurance.
(4) Do not use shield wire of communication line as signal ground. It may cause communication failure.
Chapter 7 Installation and Wiring
7.1 Specifying Install Location
(1) For the performance, ventilation and safe use of the equipment, keep the distance between the back of the
main unit and each wall of the container at least 100mm. In order to minimize external mechanical hazards,
please control the mechanical hazards of the surrounding environment
(2) It should be installed within -10 ~ 50°C and 10~80% relative-humidity.
(3) Install the cooling fan when installed in an enclosed space.
(4) Do not make power cable and communication cable be neighboring. It can cause malfunction from noise.
(5) An install location should be separated from power line and I/O cables which has a lot of noise. Also make
the wiring length short as possible.
7.2 DIN RAIL
This product has DIN Rail (width 35mm) Hook for mounting.
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