ABB Zenith ZTS T Series - Page 21

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OPERATION, MAINTENANCE, AND INSTALLATION GUIDE
Feature comparison ZTS(D/CT) controls (Touch screen)
 
Generator stop delay, min 
Center-OFF delay, sec 
 
 
 
 
 
 
 
 
Load shed delay, sec 
Source failure detections
No voltage Yes
Undervoltage Yes
Overvoltage Yes
Phase missing Yes
Voltage unbalance Yes
Invalid frequency Yes
Incorrect phase sequence Yes
Features
Controls Touch + keys
 Yes
Open transition - Standard digital inputs/outputs 
Delayed transition - Standard digital inputs/
outputs

Programmable digital inputs/outputs Yes
Auto config (voltage, frequency, phase system) Yes
l
ON
ll
ON
AUTO
!
S1 S2
LOAD
l
ll
l
ON
ll
ON
AUTO
!
S1 S2
LOAD
l
ll
O
O
OFF