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Fig. 1 fig. 1a, Typical application diagram, Acm4 – Altronix ACM4E Installation Instructions User Manual

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ACM4 series

connect the positive (+) input of the device being powered to the terminal marked [NC]. For Fail-Secure operation
connect the positive (+) input of the device being powered to the terminal marked [NO].
(b) Form “C” outputs (ACM4/ACM4E):
When form “C” outputs are desired the corresponding output fuse (1-4) must be removed. Connect negative (-) of
the power supply directly to the locking device. Connect the positive (+) of the power supply to the terminal marked
[C]. For Fail-Safe operation connect the positive (+) of the device being powered to the terminal marked NC]. For
Fail-Secure operation connect the positive (+) of the device being powered to the terminal marked [NO].
(c) Auxiliary Power outputs (unswitched):
Connect positive (+) input of the device being powered to the terminal marked [C] and the negative (-) of the device
being powered to the terminal marked [COM]. Output can be used to provide power for card readers, keypads etc.
Note: When wiring for power-limited outputs utilize a knockout separate from the one used for
non power-limited wiring.

4. Input trigger options (Fig. 1, pg. 4):

(a) Normally Open [NO] input trigger:
Inputs 1-4 are activated by normally open or open collector sink inputs.
Connect devices (card readers, keypads, request to exit buttons etc.) to terminals marked [IN] and [GND].
(b) Open Collector Sink inputs:
Connect the access control panel open collector output to the terminal marked [IN] and the
common (negative) to the terminal marked [GND].

NC

C

NO COM

OUTPUT1

NC

C

NO COM

OUTPUT2

N

O

C

N

C

FA

C

P

---

+

---

+

P

o

w

e

r

C

o

n

tr

o

l

+

I

N

P

-

--

T

+

R

E

T

-

--

IN

T

E

R

FA

C

E

LED1

SW1

SW2

SW3

SW4

LED2

LED3

LED4

TRIGGER

INPUT

TRG

NC

C

NO COM

OUTPUT3

NC

C

NO COM

OUTPUT4

J2 J1

J3

ACM4

ACCESS POWER

CONTROLLER

LED1

SW1

SW2

LED2

IN GND

2

IN GND

1

IN GND

3

IN GND

4

NC

NO

C

KEYPAD

NORMALLY OPEN

N.O. DOOR

RELEASING

DEVICE

ACCESS CONTROL

PANEL

OUTPUT

RELAY

MAG.
LOCK

MAG.
LOCK

ELECTRIC

STRIKE

ELECTROMAGNETIC

DOOR HOLDERS

LISTED

AC or DC

ACCESS CONTROL

POWER SUPPLY

(optional)

FACP

(Fire Alarm

Control Panel)

LISTED

AC or DC

ACCESS CONTROL

POWER SUPPLY

(req’d)

UL Listed Power-Limited Power Supply
For this application
corresponding fuse
must be removed.
(ACM4 and ACM4E only)

FACP Interface Enabled

FACP Interface Disabled

SW1-SW4

ACM4CB

FACP Dry

Form "C"

Output

N

O

C

N

C

F

A

C

P

3A

10A

3A

3A

3A

Keep power limited wiring separate from non-power limited.
Use minimum .25" spacing.

Fig. 1

Fig. 1a

Typical Application Diagram: