External Control Of The Drive; Communications Command - Parker AC890 Product Manual

Sequencing Logic

External Control of the Drive

Communications Command

When sequencing is in the Remote Comms mode, the sequencing of the Drive is controlled by writing to
the COMMS COMMAND (PREF 95.05).
The COMMS COMMAND parameter is a 16-bit word based on standard fieldbus drive profiles. Some bits
are not implemented in this release (see "Supported" column of the table below).
Bit Name
0 Switch On
1 (Not) Disable Voltage
2 (Not) Quick Stop
3 Enable Operation
4 Enable Ramp Output
5 Enable Ramp
6 Enable Ramp Input
7 Reset Fault
8
9
10 Remote
11
12
13
14
15
B-8
Page
Description
OFF1 Operational
OFF2 Coast Stop
OFF3 Fast Stop
=0 to set ramp output to zero
=0 to hold ramp
=0 to set ramp input to zero
Reset on 0 to 1 transition
=1 to control remotely
Supported Required Value
1
1
1
0
0
1
0
0
0
0
0
890SD (Standalone) Drive: Frame G, H & J