Chapter5 operating 14 – Hitachi SJ-PB(T) User Manual
Page 18
CHAPTER5 OPERATING
14
Profidrive Status Word (ZSW):
The status word indicates the status of the inverter (Inverter -> PLC).
Status word
Bit
Value
Meaning
Remark
1
Ready to switch-on
Control word bit 0=0 and bits 1, 2, 10 are set to 1 (Ready to switch-on
state).
0
0
Not ready to switch-on
Control word bit 0, 1 or 2 (OFF1, OFF2, OFF3) is set to 0, or the inverter
is tripped.
1
Ready for operation
Control word bit 0, 1 and 2 are set to 1. Inverter is not faulted (Ready
state).
1
0
Not ready for operation
Control word bit 0, 1 or 2 (OFF1, OFF2, OFF3) is set to 0, or the inverter
is faulted.
1
Operation enabled
Control word bit 0, 1, 2 and 3 are set to 1. Inverter is not faulted (Enable
operation state).
2
0
Operation inhibited
Control word bit 0, 1, 2 or 3 (OFF1, OFF2, OFF3, Operation disabled) is
set to 0, or the inverter is faulted.
1
Fault
Inverter is faulted.
3
0
No fault
Inverter is not faulted.
1
ON2
Control word bit1=1.
4
0
OFF2
OFF2 command active. Control word bit1=0 (OFF2 active state).
1
ON3
Control word bit2=1.
5
0
OFF 3
OFF3 command active. Control word bit2=0 (OFF3 active state).
1
Start enable
Control word bit1 or 2 (OFF2, OFF3) is set to 0 or fault has been
acknowledged (Switch-on inhibit state).
6
0
No switch-on inhibit
Control word bit 0=0 and bit10=1 (Not ready to switch-on state).
7
Not used
1
Frequency equal set-point
Actual output frequency does equal frequency set-point.
8
0
Frequency not equal set-
point
Actual output frequency does not equal frequency set-point
(i.e. motor accelerating/decelerating).
1
Bus control
Run command or frequency setting is valid via Profibus.
9
0
Local control
Run command and frequency setting are invalid via Profibus.
1
Frequency within range
Actual output frequency is above or equal to the limit specified by “Arrival
frequency at acceleration/deceleration 1” (C042/C043).
10
0
Frequency out of range
Actual output frequency is below the limit specified by by “Arrival
frequency at acceleration/deceleration 1” (C042/C043).
11
Not used
-
12
-
Mirror of bit 12 in the control word.
13
-
Mirror of bit 13 in the control word.
14,
15
-
Not used
-