STEP ET Series - Protocol Content; 2 WORD Communication Protocol Meaning, this Type Includes 2 Control Words and 2 Status Words; Inverter Control Word; Status Words

Shanghai Sigriner STEP Electric Co., Ltd.
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D.2 Protocol Content
There are three types of PROFINET communication protocols: 2WORD, 4WORD, and
8WORD. This part of protocol content is selected by users, who can choose protocol type
according to actual needs:
D.2.1 2WORD communication protocol meaning, this type includes 2 control
words and 2 status words:
D.2.1.1 Inverter control word
Control word WORD1, specific definition of each bit is as follows:
15 8 7 0
bit0: Off1 switch command: 0 indicates stopping, 1 indicates starting
bit1: Off2 base blocking: 0: PWM blocking, output contactor disconnected, holding brake closed; 1
Normal running
bit2: quick stop command. 0: quick stop, deceleration and stop according to the deceleration time of
the setting of P40.09. 1: normal running.
bit3: x reserved
bit4: x reserved
bit5: x reserved
bit6: Master/slave control 0: Speed control; 1: Torque control (only valid with AS600 series)
bit7: 0->1 Hop clear current fault
bit8: x reserved
bit9: x reserved
bit10: 0: PLC command invalid; 1: PLC command valid
bit11: Motor parameter group switching 0: First group; 1: Second group
bit12: x reserved
bit13: x reserved
bit14: x reserved
bit15: x reserved
Control word WORD2: used for speed preset, for example: 5000 indicates forward rotation at
50.00 Hz; -5000 indicates reverse rotation at 50.00 Hz