Variable Speed Drive (Vsd) Details Screen - Johnson Controls York YMC2 Operation And Maintenance

Variable speed drive (VSD) details screen

Figure 23: Variable speed drive (VSD) details screen
This screen displays more detailed parameters associated with the Variable Speed Drive. This
screen also provides a means for a service technician to access setpoints or control the DC Bus
manually for maintenance or service.
Table 40: Display only fields
Field/LED name
VSD Command
VSD Control State
VSD Inverter State
VSD Output Frequency
66
Description
The command from OptiView control to the VSD. Commands are as
follows:
Value Command
0 Off
1 Pre-Regulate
2 Run
Displays the control state of the VSD. States are as follows:
Value State
0 Idle
1 Precharge
2 Pre-Regulate
3 Waiting for Run
4 Run
5 Stop
6 Unit trip
Value State
0 Stop
1 Dwell
2 Run
3 Run Voltage Control
Displays the present output frequency to the motor.
Value Command
3 Manual Precharge
4 Manual Pre-Regulate
5 Soft Shutdown
Value State
7 Water pump
8 Test mode
9 Manual Precharge
10 Man Pre-Regulate
11 Soft Shutdown
12 Precharge Re-init
13 Check DCCT
Value State
4 Test Mode
5 Faulted
6 Check DCCT
YMC Mod B with OptiView™ Control Center
2