DeviceNet Base RTD and Thermocouple CompactBlock LDX I/O 11
Publication 1790-IN011C-EN-P - January 2015
2-Wire RTD Configuration
3-Wire RTD Configuration
4-Wire RTD Configuration
Wire Resistance Devices (Potentiometers)
Potentiometer wiring requires the same type of cable as that for the RTD. Potentiometers
can be connected to the module as a 2-wire or 3-wire connection as shown in the
following figures:
CH0_A
CH0_B
COM
Add Jumper
C
able
S
hield (to
G
round)
C
X
E
D
T
R
C
X
E
D
T
R
n
r
u
t
e
R
n
r
u
t
e
R
CH0_A
CH0_B
COM
C
able
S
hield (to
G
round)
RTD EX
C
RTD EX
C
S
en
s
e
S
en
s
e
Return
Return
CH0_A
CH0_B
COM
C
able
S
hield (to
G
round)
RTD EX
C
RTD EX
C
S
en
s
e
S
en
s
e
Return
Return
Leave thi
s
s
en
s
or wire open