Appendix 2 - Control And Status Word; Control Word Bit Description - Danfoss VACON 100 industrial Installation Manual

vacon • 50
8.

APPENDIX 2 - CONTROL AND STATUS WORD

8.1

Control Word bit description

The Control word is composed of 32 bits. FBFixedControlWord consist of the first 16 bits. FBGen-
eralControlWord consist of the remaining 16 bits. While the functionality of FBFixedControlWord is
fixed in the VACON
application specific and can vary even in the VACON
The meanings of FBFixedControlWord bits are described below. Unused bits have to be set to zero.
NOTE! This table is valid for VACON
functions.
Bit Function
0 Start/Stop
1 Direction
2 Fault reset
3 Stop mode 1
4 Stop mode 2
5 Quick ramp time
6 Freeze Setpoint
7 Setpoint to Zero
Request Field-
8
bus Control
Request Field-
9
bus Reference
10 Jogging 1
11 Jogging 2
12 Quick stop
13-15 Reserved
8
®
standard applications, the functionality of FBGeneralControlWord is totally
®
standard applications. VACON
Table 49. FBFixedControlWord bits
0
1
0
1
0
1 Rising edge (0->1) = Active faults, alarms and infos are reset.
0
1
0
1
0
1 Deceleration ramp time is switched to shorter than normal.
Changes in the setpoint value from fieldbus (FB Speed Reference)
0
Changes in the setpoint value from fieldbus (FB Speed Reference)
1
0 The setpoint value from fieldbus is taken from FB Speed Reference.
1 The setpoint value from fieldbus is changed to 0.
0 Control Place is as parameterized in the drive (unchanged).
1 Control Place is overridden to Fieldbus Control.
Source of the setpoint value is as parameterized in the drive
0
1 Source of the setpoint value is overridden to Fieldbus.
0
1
0
1
0
1
Local contacts: http://drives.danfoss.com/danfoss-drives/local-contacts/
APPENDIX 2 - CONTROL AND STATUS WORD
®
standard applications.
Description
Stop request from fieldbus.
Run request from fieldbus.
Requested direction is "FORWARD".
Requested direction is "REVERSE".
No action.
Stop mode is unmodified.
Stop mode is overridden to "Coasting".
Stop mode is unmodified.
Stop mode is overridden to "Ramping".
Normal deceleration ramp time.
are taken into use by the application.
are not taken into use by the application.
(unchanged).
No action.
Jogging request with ref1.
No action.
Jogging request with ref2.
No action
Drive executes quick stop / emergency stop.
®
100 HVAC may not support all