HID EDGE EVO ESH400-K Руководство по установке - Страница 3
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I N STALLATI ON GUI DE
Step 3
Analyze Power Requirements
A - Door Peripheral Operational Currents
For the door peripherals identified in Step 1 Identify System Components, consult the vendor
data sheets to determine the operational current draw. Typical operational current draw is
provided below.
Note: See individual peripheral data sheets for actual operational current draw.
Door Position Switch
(For example, Securitron MSS)
Mag Lock
(For example, Securitron M32)
REX Switch
(For example, Securitron EEB)
iCLASS Wiegand Reader
B - Match I/O Requirements to the Hi-O Interface Device
For the door peripherals identified in Step 1 Identify System Components, the system requires
direct connection to I/O interface and Wiegand/Clock-and-Data ports of the EH400-K. A
separate Hi-O Interface Device is not required.
C - Compute and Compare Overall Current Draw
Calculate the total current draw for all door peripherals, all Hi-O interface devices, and all Hi-O
enabled readers with the following equation, adding terms as required.
I
= I
+ I
total
dps
For this example, the total current draw equals the following:
I
@ +12VDC = 15mA + 300mA + 28mA + 150mA* = 493mA
total
I
@ +24VDC = 15mA + 150mA + 38mA + 150mA* = 353mA
total
Compare the required current draw (I
select the EH400-K power scheme. See Specifications. The CAN DC PWR Output represents
the entire power output capacity of the EH400-K.
Device
Standard Networked Controller
(EH400-K)
In this example, the EH400-K provides sufficient power when operated with a PoE injector or
+12/24VDC auxiliary power supplies.
Directly connect the door peripherals identified in Step 1 Identify System Componentsto the
EH400-K I/O ports per the Specificationsfor the selected input power scheme.
Ensure all door peripherals connected to the Strike/AUX relays or the Reader DC PWR
Output, or both, do not exceed 1.2 Amps (AUX Input) or 0.4 Amps (PoE Input) combined.
Alternatively, the door peripherals may be connected to the Strike/AUX relays configured for
Dry contact up to 2 Amps per relay.
Device
+ I
+ ... + I
mag
rex
EDM-M
Port
CAN DC PWR Output (MAX)
An ASSA ABLOY Group brand
EDGE EVO
Conditions
V
= 12VDC
in
V
= 24VDC
in
V
= 12VDC
in
V
= 24VDC
in
V
= 12VDC
in
V
= 24VDC
in
V
= 12VDC
in
) to the output current capacity of the EH400-K to
total
Conditions
AUX +12/24 VDC Input
PoE Input
Page 3
82000-921, Rev. D.3
Typical Operational Current
15mA
15mA
300mA
150mA
28mA
38mA
150mA
V out
I out
+10.8 to +24VDC
1.2 Amp
+24VDC (NOM)
0.4 Amp