22
ATS125x 4-Door DGP Installation Manual
Local databus 1 (CON9) RAS
1.5 km (total databus length
without repeaters)
WCAT 52 or equivalent
Local databus 2 (CON10) RAS
1.5 km (total databus length
without repeaters)
WCAT 52 or equivalent
External terminals specification
Table 11: External terminals
Part Terminal
Description
Min. Typ. Max. Unit
CON1 AC
Secondary
AC
transformer
connection
20
120
VAC
VA
BATT
Battery connection 12 V models
(ATS1251, ATS1253)
13.6 13.8
7.2
14.0
25
V
Ah
Battery connection 24 V models
(ATS1252, ATS1254)
27.4 27.6
2 x 7.2
27.8
2 x 25
V
Ah
CON2 AUX.
POWER
+
−
+
−
Auxiliary power output
13.6
13.8
14.0
2
V
A
S+
S
−
External
siren
output
13.6 13.8 14.0
1
V
A
CON3 LOCK
PWR
1/2
+
−
+
−
Lock power output 12V models
(ATS1251, ATS1253)
13.6 13.8 14.0
2
V
A
Lock power output 24V models
(ATS1252, ATS1254)
27.4 27.6 27.8
2
V
A
CON4,
CON5
RELAY C,
NO
or NC
Contacts door relays (each)
30
2
VAC
A
CON9,
CON10
COMMS
+12 V
Power for local bus
13.6
13.8
14.0
2
V
A
Notes
• Maximum total current consumption for auxiliary power outputs (++/
−−
) and external siren should
not exceed 2 A.
• Maximum total current consumption should not exceed 3 A, including battery load current.