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Table 11: 12 V variants auxiliary current and battery capacity
Approval
Discharge
Charge
grade
time (h)
time (h)
Battery Type, Ah:* 7.2
EN 1&2
12
72
EN 3&4
60
24
NF&A2P-2
36
30
NF&A2P-3
72
30
VdS-B
30
24
VdS-C
60
24
*
Available battery capacities depend on the housing as well.
Please refer to max. battery capacity in Table 1 on page 12.
Table 12: 24 V variants auxiliary current and battery capacity
Approval
Discharge
Charge
grade
time (h)
time (h)
Battery Type, Ah:* 2X 7.2
EN 1&2
12
72
EN 3&4
60
24
NF&A2P-2
36
30
NF&A2P-3
72
30
VdS-B
30
24
VdS-C
60
24
*
Available battery capacities depend on the housing as well.
Please refer to max. battery capacity in Table 1 on page 12.
All Auxiliary currents mentioned in the tables above are
calculated for the 24 V auxiliary. For calculation of the
maximum load on 12 V auxiliary outputs a correction factor of
1.6 should be taken into account.
Formula: I
at 12 V = I
at 24 V x 1.6
aux
aux
Example 1:
One wants to meet Approval grade EN 1&2 with two 18 Ah
batteries. The application has a maximum load of 24 V Locks
of 800 mA. According Table 12 above it means that the max
available auxiliary current is 1400 mA at 24 V.
This means that besides the 800 mA for the 24 Locks either:
•
1400 – 800 = 600 mA is left at 24 V Aux, or
•
600 x 1.6 = 960 mA left at 12 V Aux i.e. AUX power,
Locale Comms.
Example 2:
One wants to meet Approval grade NF&A2P-2 with two 18 Ah
batteries. The application has a maximum Local Comms load
(12 V) of 200 mA. According Table 12 above it means that the
max available auxiliary current is 400 mA at 24 V.
This 200 mA at 12 V Local Comms load results in:
•
200 / 1.6 = 125 mA at 24 V, and this leaves
•
400 – 125 = 275 mA @24 V for Aux (i.e. Locks power).
Restrictions:
•
Max 12 V Aux current: 1000 mA.
•
Max 24 V Aux current: 1600 mA.
Maximum auxiliary current can be limited by:
•
Discharge duration
•
Available charge capacity for battery
P/N 1070341 (ML) • REV F • ISS 16APR18
All manuals and user guides at all-guides.com
Max Available Auxiliary
Current (mA)
18
26
450
1300
1800
—
175
290
—
330
500
—
110
200
110
450
700
—
175
290
Max Available Auxiliary
Current (mA)
2X 18
2X 26
500
1400
1800
—
200
300
100
400
600
—
150
250
120
500
730
—
200
300
•
Auxiliary fuse
All data based on board without external equipment.
Cabling distance
Table 13: Cabling distance
From
To
ATS control
ATS125x/1260
panel system
system databus
databus (J10)
(CON6 or J3)
Reader
Reader
interface (J13
to J16)
Local databus
RAS, DGP or
(J22)
reader
Local
RAS
databus 1 (CO
N9)
RAS
Local
databus 2 (CO
N10)
External terminals specification
Table 14: ATS125x external terminals
Termi-
Wire
Description
nal
,
CON1
AC transformer
connection
+, −
Battery connection 12V
variant (ATS1251,
ATS1253)
Battery connection 24V
variant (ATS1252,
ATS1254)
+, −,
CON2
Auxiliary power output
+, −
S+,
External siren output
S−
+, −,
CON3
Lock power output 12V
+, −
variant (ATS1251,
ATS1253)
Lock power output 24V
variant (ATS1252,
ATS1254)
CON4,
C, NO
Contacts door relays
CON5
or NC
(each)
CON9,
+12 V Power for local bus
CON10
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.
Distance
Cable type
1.5 km (total
WCAT 52 or
databus length
equivalent
without repeaters)
75 m
Depends on
type of reader
1.5 km
WCAT 52 or
equivalent
1.5 km (total
WCAT 52 or
databus length
equivalent
without repeaters)
1.5 km (total
WCAT 52 or
databus length
equivalent
without repeaters)
Min Typ
Max
Unit
—
—
20
VAC
120
VA
13.6 13.8
14.0
V
7.2
25
Ah
27.4 27.6
27.8
V
2 x 7.2
2 x 25
Ah
13.6 13.8
14.0
V
2
A
13.6 13.8
14.0
V
1
A
13.6 13.8
14.0
V
2
A
27.4 27.6
27.8
V
2
A
—
—
30
V
2
A
13.6 13.8
14.0
V
2
A
19 / 66
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