Antenna; Install The Equipment To The Unit - Xylem CCD 401 Installation, Operation And Maintenance Manual

• The cables must be in good condition, not have any sharp bends, and not be pinched.
• The sheathing must not be damaged and must not have indentations or be embossed at
the cable entry.
• The minimum bending radius must not be below the accepted value.
• The cables must have the appropriate temperature rating.

3.1.4 Antenna

These requirements apply for the antenna installation:
• The antenna must be kept away from the radio or EMC source.
• The antenna cables must be kept away from other electronics.
• The length of the antenna cables must be as short as possible.
• The antenna cables can run the full length but they must not be bent to avoid interference
and crosstalk.

3.2 Install the equipment to the unit

• Before installation of the unit, record the serial number or take a picture of the serial
number of the unit. After installation, the serial number is not seen.
• The unit must not be installed over 2 m (6.56 ft) height from the ground.
1. Attach the antenna.
For more information about the antenna, see
2. Install the unit on a DIN rail.
3. Select one of the following steps to connect a device to the unit.
For more information about the devices that connect with the unit, go to the support site
at xylem.com/avensor.
CCD 401 Installation, Operation, and Maintenance Manual
485
232
– Connect the Modbus TCP to the RJ45.
– Connect the RS-232 cable from the pump controller to the terminals.
Terminal
232 RX
232 TX
GND
– Connect the RS-485 cable from the pump drive to the terminals.
Terminal
485 A
485 B
GND
– Connect the two signals leads from the digital switch to the terminals.
Digital input is active when connected to GND and it is inactive when open.
Antenna
on page 12.
Unit terminal
RTU Tx
RTU Rx
Ground (earth)
Unit terminal
A
B
Ground (earth)
3 Installation
7