Manual OPTISENS PAC 050
OPTISENS PAC 050 10
2.1
Connection diagram panel-mounting converter
Connection Terminals
Notes
1 = reference electrode = screen
pH electrode
1 - 2
2 = measuring electrode = core
1 = measuring electrode = core
ORP electrode
1 - 2
2 = reference electrode = screen
Measurement = brown & white
1 = brown, 2 = white
Supplied voltage = yellow & green
Impedance converter
1 - 4
3 = yellow = -6V, 4 = green = +6V
Pt 100
5 + 6
Analog output
9 + 10
9 = +, 10 = -
max. burden 500 Ohm
Digital input
11 + 12
11 = +, 12 = -
External controller stop or lack of water ind.
Relay 1
14 + 15
Relay 2
16 + 17
Relay 3
18 + 19
Alarm relay
Power supply
21+ 22+23 check information given on instrument label
RS485 (option)
Sub-D
Sub-D 4/7
3 = +, 8 = -
bridged = terminating impedance activated
