GF Signet 2610 MODBUS Process Optical Dissolved Oxygen Sensor - Manual

Signet 2610 Process Optical Dissolved Oxygen Sensor
3-2610.091 Rev. A 04/12 English
*3-2610.091*
English
MODBUS Manual
Cable length must not exceed 1220 m (4000 ft)
Power Connections
The red wire provides power for all system modes. Analog output
is enabled by default. The 4 to 20 mA current loop output can be
disabled by setting Modbus device register 49507 to 0. Set it back
to 1 to re-enable the 4 to 20 mA loop.
RDO is a registered trademark of In-Situ ® Inc., Fort Collins, CO USA
The RDO ® Pro sensor may be connected to a controller or
logger for communication via RS485 Modbus.
Trim back and insulate unused wires. The shielded wire should be
wired to a chassis ground or earth ground.
Red
Black
Blue
Green
Brown
White +
Modbus
RS485
–
Modbus
RS485
3-2610-31
RDO Pro Dissolved Oxygen
Programmable Logic Controller
or
Other Modbus Master
+
–
Power
Supply
12 to 36 VDC
PLC
No connection
Red
Black
Blue
Green
Brown
White
Power Supply, 12 to 24 VDC +
Power Supply, 12 to 24 VDC –
Modbus RS485 +
Modbus RS485 –
4 to 20 mA Current Loop
SDI-12 Output
3-2610-31
RDO Pro Dissolved Oxygen