User Manual

Logic Command/Status Words C-3
20-COMM-H RS-485 HVAC Adapter User Manual
Publication 20COMM-UM009D-EN-P
PowerFlex 700S Drives
Logic Command Word (Phase II Control)
Logic Bits
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Command Description
x Normal Stop 0 = Not Normal Stop
1 = Normal Stop
xStart
(1)
0 = Not Start
1 = Start
x Jog 1 0 = Not Jog using [Jog Speed 1]
1 = Jog using [Jog Speed 1]
x Clear Fault
(2)
0 = Not Clear Fault
1 = Clear Fault
xx Unipolar
Direction
00 = No Command
01 = Forward Command
10 = Reverse Command
11 = Hold Direction Control
xReserved
x Jog 2 0 = Not Jog using [Jog Speed 2]
1 = Jog using [Jog Speed 2]
x Current Limit
Stop
0 = Not Current Limit Stop
1 = Current Limit Stop
x Coast Stop 0 = Not Coast to Stop
1 = Coast to Stop
xReserved
xReserved
x Spd Ref Sel0
x Spd Ref Sel1
x Spd Ref Sel2
xReserved
(1)
A Not Stop condition (logic bit 0 = 0, logic bit 8 = 0, and logic bit 9 = 0) must first be present before a 1 = Start condition will start the drive.
(2)
To perform this command, the value must switch from “0” to “1.”
Bits
14 13 12
000=Spd Ref A
001=Spd Ref B
010=Preset 2
0 1 1 = Ref. 3 (Preset 3)
1 0 0 = Ref. 4 (Preset 4)
1 0 1 = Ref. 5 (Preset 5)
1 1 0 = Ref. 6 (Preset 6)
1 1 1 = Ref. 7 (Preset 7)