GE IS210AEACH1ABB Counter card

If actuator has a ballhead backup, verify that its hydraulic governor section, speed setting, and speed droop adjustments are properly set (see the applicable governor manual). Prime mover. If the droop occurs near the full-load point only, it is possible the prime mover is not producing the horsepower called for by the steam control, or is being overloaded. Either is indicated if the steam control is at maximum position.

Modbus Communication 

The 2301D-ST control can communicate with plant distributed control systems or CRT based operator control panels through one Modbus communication port. The communication port support RS-232 and RS-422 communications using RTU MODBUS transmission protocols. Modbus utilizes a master/slave protocol. This protocol determines how a communication network’s master and slave devices establish and break contact, how a sender is identified, how messages are exchanged, and how errors are detected.

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