Samba™
PLC+ HMI Installation Guide
8
Unitronics
Analog Input
Analog input wiring, current (2/3 wire)
Analog input wiring, current (4-wire), and voltage
Shields should be connected at the signal’s source.
The 0V signal of the analog input must b
e connected to the controller’s 0V.
Thermocouple
Type Temp. Range
Wire Color
ANSI (USA) BS1843 (UK)
mV
-5 to 56mV
B
200 to 1820
˚C
(300 to 3276
˚F)
+Grey
-Red
+None
-Blue
E
-200 to 750
˚C
(-328 to 1382
˚F)
+Violet
-Red
+Brown
-Blue
J
-200 to 760
˚C
(-328 to 1400
˚F)
+White
-Red
+Yellow
-Blue
K
-200 to 1250
˚C
(-328 to 2282
˚F)
+Yellow
-Red
+Brown
-Blue
N
-200 to 1300
˚C
(-328 to 2372
˚F)
+Orange
-Red
+Orange
-Blue
R
0 to 1768
˚C
(32 to 3214
˚F)
+Black
-Red
+White
-Blue
S
0 to 1768
˚C
(32 to 3214
˚F)
+Black
-Red
+White
-Blue
T
-200 to 400
˚C
(-328 to 752
˚F)
+Blue
-Red
+White
-Blue
Thermocouple 0: use Input 9 as
negative input and 10 as positive.
Thermocouple 1: use Input 7 as
negative input and 8 as positive.
