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Wiring Diagram
NC
C
NO
NC
C
NO
V-
V+
RELAY 8
RELAY 7
12VDC OUT
Output Expander
12VDC IN
RS485 NETWORK
12VDC OUT
N+
N- NA
NB
V+
V-
System controller or module
supplying power to networked
devices
White
Blue
Black
Red
Address Configuration
The module address is configured via programming and will require reference to the
module serial number. The serial number can be found on the identification sticker on the
side of the module.
Please refer to the system controller configuration guide for address programming details.
PRT-PX8-DIN | Protege DIN Rail 8 Output Expander | Installation Manual
NC
C
NO
NC
RELAY 6
RELAY 1
RELAY 2
12VDC OUT
RELAY 3
NO
C
NC
NO
C
NC
V+
V-
NO
C
C
NO
V-
V+
RELAY 5
12VDC OUT
RELAY 4
NC
NO
C
NC
-
-
Power Supply
Power Supply
1k
-
Electric Locking
Device
Next modules
8 Ohm 30W
on network
Siren or 1.1A
(Typical)
LED
Green
Power
Off
Slow green flashing
Fast green flashing
Status
Single red flash
Slow red flashing
Red
Fault
For further details, refer to the Error Code Display section in the installation manual.
Off
Output 1-8
Red
CAUTION: INCORRECT
WIRING MAY RESULT IN
DAMAGE TO THE UNIT
Wiring
AUX WIRING: Min 22AWG Max 16AWG.
(Depends on length and current consumption).
For wire/cable size, a maximum of 5% voltage drop at
the terminals of the powered device has to be observed.
MODULE NETWORK WIRING: Recommended
Belden 9842 or equivalent. 24AWG twisted pair with
characteristic impedance of 120ohm or CAT5e / CAT6
are also supported for data transmission when using
ground in the same cable. Max 900m (3000ft).
Do not use extra wires to power devices.
Outputs 1-8
The 8 outputs each have a Form C relay. These
outputs can be used to activate bell sirens, lighting
circuits, door locks, relay accessory products
and other automation points.
0V
+12V AUX
LED
1k5 OHM
Description
Correct module input voltage applied.
Incorrect module input voltage applied.
Module successfully registered with controller.
Module attempting registration with controller.
Module communication activity.
Module is in boot mode awaiting firmware update.
Module is in error state.
Error code is displayed by flashing the red Status Indicator ON
and OFF rapidly with a delay of 1.5 seconds between each cycle.
Number of Flashes
Error Description
Unknown Error Code
1
2
Firmware Version
Address Too High
3
4
Address in Use
5
Controller Secured
Serial Number Fault
6
7
Locked Device
Output is OFF.
Output is ON.
10
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