7.3.3.4
Wiring and Configuration for STTC Retrofits
The following table provides a field wiring and channel comparison for retrofitting an existing STTC with a SUAA terminal
board to provide thermocouple inputs. The YUAA and SUAA are not isolated.
STTC
Screw
STTC
Name
Channel
SUAA
Screw
SUAA
Name
1
TC_P
1
3
IO+
2
TC_N
1
5
IO-
3
Shield
Chassis
4
Shield
Chassis
5
TC_P
2
4
IO+
6
TC_N
2
6
IO-
7
TC_P
3
9
IO+
8
TC_N
3
11
IO-
9
Shield
Chassis
10
Shield
Chassis
11
TC_P
4
10
IO+
12
TC_N
4
12
IO-
13
TC_P
5
15
IO+
14
TC_N
5
17
IO-
15
Shield
Chassis
16
Shield
Chassis
17
TC_P
6
16
IO+
18
TC_N
6
18
IO-
19
TC_P
7
21
IO+
20
TC_N
7
23
IO-
21
Shield
Chassis
22
Shield
Chassis
23
TC_P
8
22
IO+
24
TC_N
8
24
IO-
25
TC_P
9
27
IO+
26
TC_N
9
29
IO-
27
Shield
Chassis
28
Shield
Chassis
29
TC_P
10
28
IO+
30
TC_N
10
30
IO-
31
TC_P
11
33
IO+
32
TC_N
11
35
IO-
33
Shield
Chassis
34
Shield
Chassis
35
TC_P
12
34
IO+
36
TC_N
12
36
IO-
37-40
No Connect
n/c
41
Shield
Chassis
42
Shield
Chassis
182
GEH-6855_Vol_II
GEH-6855_Vol_II Mark VIeS Functional Safety Systems Volume II
Public Information