Johnson Controls VS3 Series User Manual

135
Appendix A—Description of parameters
VARIABLE SPEED DRIVE SERIES III LIT-12012999—June 2018 www.johnsoncontrols.com
Code Modbus ID Parameter Application RO/RW
P2.2.1 143 1 = Para ID 190: DI closed contact = start /open contact = stop Para ID 191: DI closed contact = reverse
/ open contact = forward - This would be considered 2 wire control with a contact on start/stop,
contact open it stops and direction on 2nd start signal.
1,2,3 RW
24V+
DIN1 20
DIN2 21
CMA 24
GND 12
ID190 - Start Signal: DigIN:1 ID143 Start Stop Logic: Start/Stop
ID191- Start Signal 2: DigIN:2 ID143 Start Stop Logic: Forward/Reverse
15
Figure 32. Start, stop and reverse
FWD
REV
DIN1
DIN2
Output
Frequency
Stop Function
(P7.10) = Coasting
t
otes: N

The first selected direction has the highest priority.

When the DIN1 contact opens the direction of rotation starts to change.

If Start forward (DIN1) and Start reverse (DIN2) signals are active
simultaneously the Start forward signal (DIN1) has priority.
2 = Para ID 190: DI closed contact = start / open contact = stop Para ID 191: DI closed contact = start
enabled / open contact = start disabled and drive stopped if running Motor direction keeps forward
- This would be considered 3 wire control with Start signal 2 required to be closed to enable Start on
Start signal 1.
24V+
DIN1 20
DIN2 21
CMA 24
GND 12
ID190 - Start Signal: DigIN:1 ID143 Start Stop Logic: Start/Stop
ID191- Start Signal 2: DigIN:2 ID143 Start Stop Logic: Forward/Reverse
15

Johnson Controls VS3 Series Specifications

General

Brand	Johnson Controls
Model	VS3 Series
Category	Inverter
Language	English