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 48
Publication 1797-6.5.6 - June 2005
5-2 1797-IBN16 FLEX Ex 16 NAMUR 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 16 NAMUR Input Module
Installation Instructions, publication 1797-5.7.
Row A
Row B
Row C
+V
-V
+V
-V
41504
+
-
Ch 0
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
+
-
Ch 1
+
-
Ch 2
+
-
Ch 3
+
-
Ch 4
+
-
Ch 5
+
-
Ch 6
+
-
Ch 7
+
-
Ch 8
+
-
Ch 9
+
-
Ch 10
+
-
Ch 11
+
-
Ch 12
+
-
Ch 13
+
-
Ch 14
+
-
Ch 15
No connection allowed to terminals 36 and 49
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.
Output (intrinsically safe)
(16 position male/female flexbus
connector)
U
i
< 5.8V
I
i
< 400mA
Li = Negligible
Ci = Negligible
Power Supply
(+V, -V Intrinsically Safe)
U
i
< 9.5V dc
I
i
< 1A
L
i
= Negligible
C
i
= Negligible
Operating Temperature
-20 to +70
o
C (-4 to +158
o
F)
Agency Certification
II (1) 2G EEx ia/ib IIB/IIC T4
II (1D) (2D)
Certificates
DMT 98 ATEX E 013 X