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WIRING TO OPTIONAL
RELAY BOARD
NO USER CONNECTION
NOTE 1
NOTE 2
orientAtion
It is highly recommended that the pIRECl be
installed in the horizontal position. The detector
is not position-sensitive in terms of its ability to detect
gas. However, the weather baffle assembly provides
superior performance when the PIRECL is installed
with the baffle in a horizontal position.
CORRECT
4.3
MODEL PIRECL
24 VDC –
1
24 VDC +
2
CALIBRATE
3
24 VDC –
4
24 VDC +
5
1
4-20 MA +
6
4-20 MA –
7
RS-485 B
8
RS-485 A
9
RELAY POWER (RED)
10
FAULT (ORANGE)
11
LOW ALARM (WHITE)
12
HIGH ALARM (YELLOW)
13
INTERNAL JUMPER REQUIRED FOR
NON-ISOLATED CURRENT OUTPUT
(SINGLE POWER SUPPLY).
UD10 HOUSING MUST BE ELECTRICALLY
CONNECTED TO EARTH GROUND.
Model PiRECL Wired Directly to UD10
INCORRECT
BLACK
RED
WHITE
Sensor Connector
Output Loop
Connector
4-20 mA +
P1-3
P1-2
4-20 mA –
SHIELD
P1-1
P1
J2
COM
J2-3
J2-2
RS485 A
J2-1
RS485 B
MODBUS
Connector
Power Supply Connector
D-2
UD10 DISPLAY UNIT
J3
J4-1
HIGH ALARM COM
HIGH ALARM NC
J4-2
HIGH ALARM NO
J4-3
J4-4
AUX ALARM COM
J4-5
AUX ALARM NC
J4-6
AUX ALARM NO
J4-7
LOW ALARM COM
J4-8
LOW ALARM NC
LOW ALARM NO
J4-9
FAULT COM
J4-10
J4-11
FAULT NC
FAULT NO
J4-12
J4
P2
C2404
95-8618
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