Transmitter 9125 – Conductivity / resistivity measurement
Page 17
3. Electric
connections
Electronic board lay-out in the 9125 transmitter
enclosure
________________________________________________________________________
Fig. 3.1 Electronic board lay-out
1.
Terminal block 4-20 mA
2. CPU
board
3.
RS485 board (option)
4.
Relay board (option)
5.
Choice between an inductive (all 4 switches on position I) or a 2 electrode
(Kohlraush) probe (all 4 switches on position K)
6. Programmed
EEPROM
7. Conductivity
module
8.
Power supply board
9.
Program update connector
7
1
2
3
4
5
6
8
9
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