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C700 | C720 Series Operating Manual
5
Instrument Connection
EC1, EC2, EC3, EC4
Electrical conductivity/resistivity wiring
T+T
Temperature connection
INPUT
pH/ORP/lon measure
REF
pH/ORP/lon reference
S+S
Membrane dissolved oxygen, FCL
CE RE WE
Constant voltage Residual Chlorine/chlorine Dioxide/ozone
I1 G I2
Output current
I3 G I4
Input current
RLY3, RLY2, RLY1
Three Relays
G, L, N
G-ground wire, L-live, N-neutral
V + V- RX TX
RS-232 communication output
V + V- A, B
Digital input channel 1
V + V- A B
Digital input channel 2
A1 B1
RS-485 communication output
+ -
DC power supply