3.3 Description of terminal function
烀
Wash relay contact for an external relay
Second alarm control, the contact for an external relay
First alarm control, the contact for an external relay
Temperature current output terminal -, for external
recorder or PLC control
4~20mA +terminal / D+(B)烉
Temperature current output terminal +, for
external recorder or PLC control
Master measure current output terminal -, for external
recorder or PLC control
Master measure current output terminal +, for external
recorder or PLC control
Output terminal of direct current voltage ±12V (PH-300T only)
Connect with one of cable end of temperature probe
Solution ground wire. In two-wire distributing system, there should
be a jumper between this terminal and REF (a short circuit slice is
attached when going out the factory)
Coaxial shield of pH/ORP electrode signal wire
Coaxial inner of pH/ORP electrode signal wire
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