Rockwell Automation 1734sc-IE4CH E+H Instruments via HART to PlantPAx User Manual - Manual (Page 151)

Rockwell Automation Publication PROCES-UM002A-EN-P - July 2014 151
Liquiline M CM42 Transmitter Appendix M
Supply and Signal Circuit
For safe communication via the HART protocol and for compliance with the
NAMUR NE 21, use a 2-wire cable shielded on each end. The second current
output is an option.
Following are figures of the view in device (CPU module) (left) and the wiring
diagram (right).
Sensor Connection: pH / ORP
Following are figures of the glass electrodes with PML (symmetrical) view in
device (CPU module) (left) and wiring diagram (right).
BK
BN
GN
WH
YE
CPK9
318
320
112
113
111
317
CM42
319
316
315
J
PM
Ref
pH
Sensor
CPK1