STEP 03 | wiring the device

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terminal assignment | system residual water hardness

 

terminal assignment Colormetry-CMU-324 HE
monitoring residual water hardness 

signal outputs are open collectors 
maximum load: DC 24V 70mA 

 

D1 / D2

in use only factory

Colormetry CMU 324 terminal connection HE 

FG

ground connection

1 (+) | 2 (-)

power supply
24 VDC (15 Watt)

[out_1]
M+ M-

 potential free output
limit alarm / equipment failure

[input]
3-4

potential free input
remote signal | release/stand-by

[out_2]
5-6

potential free output | monitoring ON |
synchronization external unit 
e.g. Diaphragm pump for sampling from open systems

[out_3]
7-8

potential free output
lack of reagent (German "BOB-Alarm")

[out_4]
DC24V

only in use in factory

[RS232]

seriell interface
use in conjunction with optional equipment Konverterbox 

 

 

terminal assignment | system free chlorine

terminal assignment Colormetry-CMU-324 CLE
monitoring residual free chlorine

signal outputs are open collectors
maximum load: DC 24V 70mA 

 

D1 / D2

 only in use in factory    Colormetry CMU 324 terminal connection CLE       

FG

 ground connection

1 (+) | 2 (-)

 power supply
24 VDC (15 Watt)

[out_1]
M+ M-

 potential free output
limit alarm / equipment failure

[input]
3-4

 potential free input
remote signal | release/stand-by

[out_2]
5-6

 potential free output | monitoring ON |
synchronization external unit 
e.g. Diaphragm pump for sampling from open systems

[out_3]
7-8

 potential free output       
lack of reagent (German "BOB-Alarm")

[out_4]
DC24V 

 only in use in factory

[RS232] 

 seriell interface
use in conjunction with optional equipment Konverterbox

[Thermistor-
Eingang]

 Connection of the delivered temperature sensor 
for temperature compensation of the measurment