Download AcuRev 2000
Transcript
4. Control Relay Output (Function Code 05) Query This query frame forces the relay status to ON or OFF. Data FF00H sets the relay as ON, and data 0000H sets the relay as OFF. The relay will not be influenced by any other data input The following is to query slave device 17 to set relay status as ON. Addr Fun 11H 05H DO addr hi 00H DO addr Lo 00H Value Hi FFH Value lo 00H CRC16 hi 8EH CRC16 lo AAH Table 5-10 Control relay status query frame Response The correct response to this request is to send back the received data after the relay status is changed. Addr Fun 11H 05H Do addr Hi 00H Do addr Lo 00H Value Hi FFH Value Lo 00H CRC16 Hi 8EH CRC16 Lo AAH Table 5-11 Control relay status response frame 89