Contrel CTT8 - Wiring Diagram; Pt 100 Probe Wiring; Auxiliary Power Supply; Terminal Identification

CTT8 instruction manual IM302-U v2.3 pag. 2 / 8
WIRING CONNECTION
Input thermometric probes Pt 100
Serial
output
Rs485
(option)
Relay outputs
*
Auxiliary power supply
U aux:
25 - 27: 24 ÷ 230V ca/cc
or
25 - 26: 115 Vca
25 - 27: 230 Vca
25 - 28: 400 Vca
white
red
red
Pt 100
view rear panel
of the instrument with terminals
for the connections
Analog
output
0-20mA
(4-20mA)
(option)
75869
14
10
211
3
12
25 2826 27
44 45
41 42 43
29 30 31 32 33 34
35 36 37 38 39 40
1917 2018 2113 16 2214 2315 24
Input thermometric probes Pt 100
Ch2
Ch3
Ch4
75869
1
Ch1
4102
11
3
12
38
39
40
41
42
43
44
45
25
26
27
28
B
A
gnd
U aux.
CTT8
*
+
-
Ch7
Ch6 Ch5
14
17
Ch8
131618 15192021222324
TRIPALARM
29
30
31
32
33
34
35
36
37