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Digital Input Module NAMUR for Installation in Zone 1 Type 9470/22
Certification Drawing
Nonhazardous
Class I, II, III, Division 1, Group A-G
or Class I, Zone 1, Group IIC/IIB
Hazardous (Classified) Locations
Wiring legend
Connection allocation – Digital Input Module Type 9470
Channel
Function
number
0
Input (+)
0
Input (-)
1
Input (+)
1
Input (-)
...
...
15
Input (+)
15
Input (-)
C
11/04
T. Stahl
B
6/04
Toby
A
8/01
Feindel
www.stahl-ex.com
Operating Instructions for the IS1-System
The Type 9470 Digital Input Module is designed to receive up to 16
discrete input signals from dry contacts and NAMUR proximity sensors
etc. and transfer them to the I.S. 1 CPU & Power Module. The module is
intrinsically safe for installation in a Class I, II, III, Division 1, Group A-G or
Class I, Zone 1, Group IIC/IIB hazardous location according to NEC
Article 504/505 and provides intrinsically safe connections for Class I,
Division 1, Groups A-G or Class I, Zone 0, Group IIC/IIB hazardous
locations listed below.
Entity parameters for wiring configuration to the left are as follows:
9470/22-16-11
per channel
4 channels in parallel
La
[mH]
100
50
20
10
0.5
0.2
0.1
Notes:
1.)
Connection X1
Terminal no.
2.)
1
2
3
4
...
31
3.)
32
I.S.1 Remote I/O System
Digital Input Module
Type 9470
Div. 1
IS1 I/O-Modules
V
/ I
/ P
OC
SC
O
[V / mA / mW]
11.6 / 22 / 51
11.6 / 55 / 127
Ca [nF]
1 input
2 inputs
4 inputs
I
= 22mA
I
= 33mA
I
= 55mA
SC
SC
SC
P
= 51mW
P
= 76mW
P
= 127mW
O
O
O
A, B
C-G
A, B
C-G
A, B
C-G
IIC
IIB
IIC
IIB
IIC
IIB
-
1400
-
1100
-
100
1700
-
1500
-
1100
200
2100
150
2000
-
1700
280
2400
240
2300
140
2100
5
350
2800
330
2800
260
2600
2
480
3500
470
3500
420
3400
1
600
4200
590
4200
560
4100
750
5100
740
5000
710
5000
1000
6500
1000
6500
1000
6500
1300
8000
1200
8000
1200
7900
Intrinsically safe apparatus shall be switches or an FM approved
System or Entity device connected in accordance with the
manufacturer´s installation instructions.
For Entity concept use the appropriate parameters from above to
ensure the following:
≤ V
≥ C
V
or V
C
+ C
OC
t
max
a
i
leads
≤ I
≥ L
I
or I
L
+ L
SC
t
max
a
i
leads
General Notes (see Page 1)
01.02.01
01.02.01
162494 / 9470601310
8 inputs
16 inputs
I
= 99mA
I
= 176mA
SC
SC
P
= 229mW
P
= 406mW
O
O
A, B
C-G
A, B
C-G
IIC
IIB
IIC
IIB
-
-
-
-
-
-
-
-
-
-
1100
-
-
-
1700
-
-
-
2300
-
1800
330
3200
-
2900
490
3900
400
3700
670
4800
620
4700
910
6400
1000
6300
1200
7900
1200
7800
94 006 01 31 0
Tobey
10 of 18
Feindel
FM
2011-02-21·BA00·III·en·02
9
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