Icon Process Controls ProCon DO3000-C Series Quick Start Manual page 6

ProCon — DO3000-C Series
®
Dissolved Oxygen Controller
Wiring
V+ V- A1 B1 V+ V- A2 B2 I1 G I2 A3 B3 G TX RX P+ P-
RLY3 RLY2 RLY1
Terminal Description
V+, V-, A1, B1 Sensor Input Channel 1
V+, V-, A2, B2 Sensor Input Channel 2
I1, G, I2 4-20mA Output
A3, B3 RS485 Communication Output
G, TX, RX RS232 Communication Output (Data Upload)
P+, P- DC Power Supply
RLY3, RLY2, RLY1 3 Sets of Relays
The connection between the instrument and the sensor: the power supply, output signal, relay alarm contact and the
connection between the sensor and the instrument are all inside the instrument, and the wiring is as shown above. The
length of the cable lead fixed by the electrode is usually 5-10 Meters, insert the line with corresponding label or color wire
on the sensor into the corresponding terminal inside the instrument and tighten it.
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25-0671 © Icon Process Controls Ltd.