Patent ID: 9594360
Date: 2017-03-14
CPC Classifications: G05B

Claim:
1. A communication module of a motor starter, the motor starter comprising a manual motor starter (MMS) and a magnetic contactor (MC), the communication module comprising: an MMS status input unit connected to an MMS status contact of the MMS and configured to receive status information of the MMS; an MC status input unit configured to receive status information of the MC; a communication unit connected to a monitoring control console via a communication cable and configured to communicate data with the monitoring control console; a switch configured to set a communication speed of the communication unit; and a controller configured to: transmit the received status information of the MMS and the received status information of the MC to the monitoring control console; determine whether to move the MC in response to a command signal received from the monitoring control console based on the received status information of the MC; transmit a control complete message to the monitoring control console via the communication unit while controlling the MC to operate normally in an on state upon receiving a command signal from the monitoring control console for controlling the MC to be turned on when the received status information of the MMS indicates an on state and the received status information of the MC indicates an off state; and transmit a command error generation message to the monitoring control console via the communication unit without controlling the MC upon receiving a command signal from the monitoring control console for controlling the MC to be turned on when the received status information of the MMS indicates an off state and the received status information of the MC indicates an on state.