UAC-CB-01RS2, UAC-CB-01RS4, UAC-CB-01CAN Installation Guide
Removing a Module
You must remove the end module in a row before removing the next one.
1. Turn off the system power.
2. Disconnect any wires or cables connected to the module.
3. Press the clips on the top and bottom of the modules, and carefully pull the module
from its place.
Wiring
All wiring activities should be performed while power is OFF.
Unused points should not be connected (unless otherwise specified). Ignoring
this directive may damage the device.
Double-check all wiring before turning on the power supply.
Caution
To avoid damaging the wire, use a maximum torque of 0.5 N·m (5 kgf·cm).
Do not use tin, solder, or any substance on stripped wire that might cause the
wire strand to break.
Install at maximum distance from high-voltage cables and power equipment.
Wiring Guidelines
In order to ensure that the device will operate properly and to avoid electromagnetic
interference:
Use a metal cabinet. Make sure the cabinet and its doors are properly earthed.
Use shielded cables.
N
OTE
For detailed information on avoiding EMI, refer to the document System Wiring
Guidelines, located in the Technical Library in the Unitronics’ website
.
UAC-CB-01RS2 - RS232 module
Use shielded cable
Pin Number Pin Name
Direction
Description
1
-
-
Not connected
2
RXD
In
Receive Data
3
TXD
Out
Transmit Data
4
-
-
Not connected
5
SG
Return
Signal Ground
6 (see note)
-
-
Connected to Pin 7
7 (see note)
-
-
Connected to Pin 6
8, 9
-
-
Not connected
N
OTE
Pins 6 and 7 are not connected to internal circuits.
4
Unitronics
