C
12-17 Combustible Gas Transmitter
8
O&M Manual
Rev-D
ELECTRICAL CONNECTIONS - TRANSMITTER
External connections to the C12-17 transmitter can be made using 3 conductor cable. A 3-
conductor cable uses a single conductor for the common of both the power supply and the output signal.
Figure 3 shows typical connections to a power supply and a panel indicator running off the 4-20 mA
signal from the C12-17 transmitter.
LEL Transmitter
SPAN
ZERO
Figure 3 - Transmitter Customer Connections (ATI-0237)
Important: If the loop output is not used to
drive an external device, jump the
LOOP terminal to the COM
terminal
