20
FLEX Ex 24V dc Non-Isolated Source 4 Output Module
Publication
1797-5.6 - December 2003
•
CSA-E79-11-95, Electrical Apparatus for Explosive Gas
Atmospheres, Part 11: Intrinsic Safety “i”
•
CSA C22.2 No. 14-95, Industrial Control Equipment
Wiring Methods
•
Wiring method 1: Each channel is wired separately.
•
Wiring method 2: Multiple channels in one cable, providing each
channel is separated in accordance with the National Electric Code
(NEC) or Canadian Electric Code (CEC).
Table 1
Wiring
Method
Channel
Terminals
V
oc
(V)
I
sc
(mA)
V
t
(V)
I
t
(mA)
Groups
C
a
(
µ
F)
L
a
(mH)
1 and 2
Any one
channel
e.g. ch0
0(+), 1(-)
27.4
110.0
-
-
A, B, IIC
0.03
2.0
C, E, IIB
0.09
8.0
D, F, G, IIA 0.24
16.0
1797- OB4D
Allen-Bradley
B
-
A
0
1
2
3
4
5
6
7
PWR
7
4 Point Source Output Module
FLEX Ex Discrete
Output I/O Module
LEDs
Female Bus
Connection
Field Wiring
Terminals
Terminal Base
Terminal Base
Key
Male Bus
Connection
Key Position for
Terminal Base
Insertion
42058