Mounting; Installation; Electrical Connection; Start-Up - Kübler Codix 531 Mode D'emploi

3 Mounting

3.1 Installation

1. The digital display shall not be installed near to contac-
tors or motor starters.
2. We recommend the use of wire end ferrules in order to
avoid short-circuits between adjacent terminals.
3. In order to keep the interferences at the measuring input
as low as possible, the signal and power supply wires
must be routed separately.
4. Use shieded cables for all signal/probe wirings and avoid

3.2 Electrical connection

3.2.1 Pt100/Ni100 resistance thermometers
2-wire resistance thermometer
1 2 3 4 5 6 7
ϑ
4-wire resistance thermometer
1 2 3 4 5 6 7
ϑ

4. Start-up

After switching on the supply voltage:
1. a display test is carried out
(Duration: 2 seconds)
2. Device type and software
version are displayed
(Duration: 2 seconds))

5. Programming

5.1 Switching to programming

To switch to the programming mode:
1. switch the power supply of the device off, press simulta-
neously both keys on the front side, and then switch the
power supply on again.
⇑
⇑
2. The display shows the following message.
12
routing the signal/probe wirings parallel to each other.
The shield shall only be grounded at one point in order to
avoid ground loops.
Important note:
Before carrying out any installation or maintenance work,
make sure that the power supply of the digital display is
switched off.
3-wire resistance thermometer
1 2 3 4 5 6 7
ϑ
3.2.2 Supply voltage and Latch input connection
1 2 3 4 5 6 7
3
3. the selected probe is displayed
(Duration: 2 seconds).
4. the display is ready to operate and
the measured value is displayed.
3. release both keys. The first parameter to be set
appears on the display. The display switches every
second between the following messages
4. press the left key to stop the display from
switching. The last programmed parameter setting
is displayed.
1 10 ... 30 V DC
2 0 V DC (GND)
3 Latch input
2
1