Sequencing Logic
B-6
AC30V series Variable Speed Drive
Example Comms Control Words (hexadecimal):
CC77 STOP (Normal) or go to SWITCHED ON state
CC7F RUN
CC7B QUICKSTOP
CC7D COAST STOP
CCF0 FAULT RESET
STATUS WORD
The Status Word provides the detailed status of the sequencer. Regardless of the source of the Control Word, this is always available as
0661
Status Word
.
Bit
Name
Description
0
Ready To Switch On
Drive initialised and not in Configuration mode
1
Switched On
Drive in SWITCHED ON or OPERATION ENABLED state
2
Operation Enabled
Running (or stopping)
3
Faulted
Unacknowledged fault present
4
Voltage Enabled
Line supply present
5
Quickstop Inactive
= 0 when reacting to a Quickstop request
6
Switch On Disabled
Drive in SWITCH ON DISABLED state
7
unused
8
unused
9
Control From Comms
Using
0627 Comms Control Word
as the Control Word source
10
unused
11
unused
12
Jog Operation
Using Jog Reference or will use Jog Reference when Operation Enabled
13
Reverse Operation
Running backwards or will run backward when Operation Enabled
14
Reference From Comms Using
0681 Comms Reference
as the Reference source
15
Stopping
Operation Enable command removed or Quickstop active