RKI Instruments Pioneer 4W User Manual
Page 17
Pioneer Gas Monitor Operator’s Manual
Installation and Start Up • 13
Figure 3-2: Pioneer Gas Monitor External W
iring Diagram
AC POWER
115V, 60 HZ.
(see manual
for 230VAC
connection)
GROUND
NEUTRAL
HOT
1
2
3
RS 485
(see manual)
RS 232
(see manual)
7
1
8
2
9
3
10
4
11
5
12
6
NO
C
NC
NO
C
NC
NO CONNECTION
+
-
SHIELD
TX
RX
COMMON
ALARM 3
COMMON
ALARM 2
7
8
9
10
11
12
NO
C
NC
NO
C
NC
COMMON
ALARM 1
COMMON
FAIL
1
2
3
4
5
6
+
-
+
-
NO
-
BUZZER
RESET
24 VDC
STANDBY
DC POWER
+
-
INTERNAL
BUZZER
RESET
SWITCH
(internal)
CLK
GND
SDA
32
1
red
white
green
black
EXPANSION
(see manual)
COMMON
FAIL ALARM
COMMON
ALARM 1
COMMON
ALARM 2
COMMON
ALARM 3
ALARM DEVICE POWER
CONTACT RATING OF 8 AMPS RESISTIVE AT 24VDC
FOR EACH SET OF ALARM RELAYS CONTACTS.
INDIVIDUAL ALARM 1
INDIVIDUAL ALARM 2
INDIVIDUAL ALARM 1
RECORDER
4 to 20 mA
+
-
4 to 20 mA
Sensor/Transmitter
(2-wire type)
4 to 20 mA
Sensor/Transmitter
(3-wire type)
ANALOG OUTPUT
(SEE MANUAL FOR OTHER OUTPUTS)
NO
C
NC
NO
C
NC
NO
C
NC
ALARM 3
ALARM 2
ALARM 1
8
9
+
-
1
7
6
5
4
3
2
GROUND
24V
4-20
RED
WHITE
GREEN
BLACK
COMBUSTIBLE SENSOR
AND HOUSING
(typical wiring)
NOTE 2: The internal buzzer and
reset switch are factory-wired.
NOTE 3: See Appendix B
for other detection types.
+
-
white
green
OXYGEN SENSOR
AND HOUSING
(typical wiring)
NOTE 1: Connect ground wire to
ground stud on lower left corner
of main circuit board.