Wiring to a 1797-tb3 or -tb3s terminal base unit, Intrinsically safe specifications, Connect wiring to the terminal base as shown below – Rockwell Automation 1797-XXX FLEX Ex System Certification Reference Manual User Manual
Page 148
Publication 1797-6.5.6 - June 2005
31-2 1797-IRT8 FLEX Ex Thermocouple/RTD Input Module
Wiring to a 1797-TB3 or
-TB3S Terminal Base Unit
Connect wiring to the terminal base as shown below.
Intrinsically Safe
Specifications
For a full list of specifications, refer to FLEX Ex Thermocouple/RTD Input
Module Installation Instructions, publication 1797-5.4.
Row A
Row B
Row C
Ch 7
Ch 6
Ch 5
Ch 4
+V
CJC
-V
41505
Ch 7
+
L
Ch 2
Ch 1
Ch 0
Ch 3
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
H
-
+
L
H
-
+
L
H
-
+
L
H
-
+
L
H
-
+
L
H
-
+
L
H
-
+
L
H
-
-V
CJC
chassis
GND for
shield
chassis
GND for
shield
0+
0-
1-
1+
No connection allowed to terminals 36 and 49
+V
ATTENTION
Do not use any unused terminals on this terminal base unit.
Using these terminals as supporting terminals can result in
damage to the module and/or unintended operation of
your system.
Operational Temperature
-20 to +70
o
C (-4 to 158
o
F)
Agency Certification
Class I Division 1 Groups A-D T4
Class I Zone 1 AEx ib[ia] IIC T4
Class II Division 1 Groups E, F, G; Class III
Certificates
UL Certificate Number 99.19699
C
US