ABB Zenith ZTS T Series Quick Start User Manual page 7

Operational types
In this table you can find the differences
of the automatic transfer switch open
and delayed transition operation types.
Due to the different transition types, there
are variances with HMI and on wiring of I/O
contacts.
Operation types, ZTS T-series ATS
Delayed transition, ZTSD
S1 I OII S2 S1 II O I
Load Load
ZTS T-series HMI (with touch screen) and connections of control circuit
S1 O S2
l ll !
LOAD AUTO
l O ll
ON OFF ON
1 2 3 5 6
G
C NO C O1
NC
—
Table 1 The differences of level types / operation types and the suitability of Ekip-modules
S2
10 11 12 13 14 15
G
+ -
FIRE
24V
C I1 I2 I3
HMI
The HMI is the control interface
(Human Machine Interface) of the ATS.
Zenith ZTS T-series has a color touch
screen LCD HMI with push buttons.
The HMI is used for configuring
parameters for automatic operation.
Open transition, ZTS
S1
O
S1 S2
l
l ll !
LOAD
LOAD AUTO
l
l O ll
ON
ON OFF ON
1 2 3 5 6
C NO NC C O1
Ekip-modules suitable
S1 I II S2
Load
S2
ll !
AUTO
ll
ON
12 13 14
C I1 I2
7
Suitable