Hitachi WL200 Series

Chapter 8 PROFINET Specification
34
8.8 STW1 (Control word)
The size of STW1 is 16 bits.
The specification of each bit is the following.
Bit
Value
Significance
Description
0
1
ON
When the state is in “Ready For Switching On”, the
state is changed to “Switched On”.
When the state is in “ramp stop”, the state is
changed to “Operation”.
0
OFF
(OFF 1)
When the state is in “Switched On”, the state is
changed to “Ready For Switching On”.
When the state is in “Operation”, the state is
changed to “ramp stop” and inverter decelerates
by ramp stop.
1
1
No Coast Stop
(no OFF 2)
When the state is in “Switching On Inhibited” and
STW1 bit2 is ON, the state is changed to “Ready For
Switching On”.
0
Coast Stop
(OFF 2)
When the state is in “Ready For Switching On” or
“Switched On”, the state is changed to “Switching
On Inhibited”.
When the state is in “Operation” or “Switching Off
(ramp stop or quick stop)”, the state is changed to
“Switching On Inhibited” and inverter stops by
coast stop.
2
1
No Quick Stop
(no OFF 3)
When the state is in “Switching On Inhibited” and
STW1 bit1 is ON, the state is changed to “Ready For
Switching On”.
0
Quick Stop
(OFF 3)
When the state is in “Ready For Switching On” or
“Switched On”, the state is changed to “Switching
On Inhibited”.
When the state is in “Operation” or “ramp stop”,
the state is changed to “quick stop” and inverter
decelerates by 2ch function of WJ200 / WL200. If
C005 isn’t 2ch, inverter decelerates by ramp stop.
3
1
Enable Operation
When the state is in “Switched On”, the state is
changed to “Operation”.
0
Disable Operation
When the state is in “ramp stop”, the state is
changed to “Ready For Switching On”.
When the state is in “quick stop”, the state is
changed to “Switching On Inhibited”.
4
1
Enable Ramp Generator
The output frequency is set Speed Setpoint A
(NSOLL_A) and inverter accelerates.
0
Reset Ramp Generator
The output frequency is set 0 and inverter runs by 0
[Hz].
When inverter is running and both this bit and bit 0
are changed from 1 to 0, inverter decelerates and
stops by 2CH function of WJ200 / WL200.