Profidrive Control And Status Words - Mitsubishi 700 Series Instruction Manual

PROTOCOL-SPECIFIC INFORMATION
9.9.5.2

PROFIdrive Control and Status Words

The control word, STW1, is the principal means for controlling the drive. It is sent by the controller (PLC)
to the device (inverter). The bitmapping for the control word is described in Table 54. The status word,
ZSW1, returns status information from the inverter to the controller. The bitmapping for the status word
is described in Table 55.
Bit Value
1
0
0
1
1
0
1
2
0
1
3
0
1
4
0
1
5
0
232
Table 54: STW1 Control Word Mapping
Significance
ON
OFF
ON2
OFF2
ON3
OFF3
Enable Operation
Disable Operation
Enable Ramp Generator
Disable Ramp Generator
Unfreeze Ramp
Generator
Freeze Ramp Generator
Description
Run command ON
Run command OFF
No coast stop
Coast to a stop
No quick stop
Quick stop
Enable inverter operation
Disable inverter operation
Enable the ramp frequency generator (RFG)
Hold the output frequency to 0 Hz
Unfreeze the RFG
Freeze the RFG with the current output
frequency