RKI Instruments Pioneer 4W - Manual (Page 21)

Pioneer Gas Monitor Operator’s Manual Installation and Start Up • 17
Connecting RKI Detectors
See the manual insert(s) in Appendix B, Gas Detectors, to wire the detector(s) supplied by
RKI Instruments, Inc., to the Pioneer.
Connecting User-Supplied 4 to 20 mA Transmitters
NOTE: : See the manual insert, “Generic 4 to 20 mA Transmitter,” in Appendix B,
Gas Detectors, for more detailed information related to the use of user-supplied
4 to 20 mA transmitters with the Pioneer.
Perform the following procedure to connect a 4 to 20 mA transmitter (that you supply) to
the Pioneer.
1. Open the housing door, and locate the detector terminal strip on the applicable
analyzer card. (The detector terminal strip is the 7-point terminal strip that is below
the analog output terminal strip.)
2. Route the cable leading from the transmitter through one of the conduit hubs on the
bottom of the Pioneer housing.
CAUTION: Do not route power and transmitter wiring through the same conduit hub. The
power wiring may disrupt the transmission of the transmitter’s signal to the
Pioneer.
3. Connect the wires to the detector terminal strip of the applicable analyzer card as
shown in Figure 3-7. The detector is the 7-point terminal strip (terminals 1 through 7)
on the card.
Figure 3-7: Generic 4 to 20 mA Transmitter Output Wiring
1 BLK
2 GRN
Detector
Terminal Strip
3 WHT
4 RED
5 4-20
6 24 V
7 Gnd
(+)
(-/FB)
Transmitter
2-Wire Connection
1 BLK
2 GRN
Detector
Terminal Strip
3 WHT
4 RED
5 4-20
6 24 V
7 Gnd
(+)
(-)
Transmitter
3-Wire Connection
(FB)