Technical Data
10
230230 / 947160310010
2019-03-08·BA00·III·en·01
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Digital Input Output Module NAMUR
for Ex n Zone 2
Series 9471/35
Frequency input
Max. number of
channels
8 (channel 8 to 15)
Max. switching
frequency
NAMUR input: 20 kHz
(at frequencies > 1 kHz the maximum conductor length is reduced,
e.g. at 5 kHz to approx. 75 m)
3-conductor PNP
proximity switch /
active 24 V signals
(
300 Hz (20 kHz only with push-pull transmitter)
The inputs must be switched to +24 V and 0 V.
Diagram:
20460E00
Min. pulse width
Input: 25 μs
*)
Default
Counter
Max. number of
channels
8 (channel 8 to 15)
Counter range
0 to 65535
Rotation direction
recognition, forward/
backward counter
Max. number of
channels
4 (each with two inputs switched in parallel)
Function
Forward/backward counter; frequency with direction
Resolution
16 bit / 32 bit
Outputs
Max. number of
channels
16 (channel 0 to 15)
Output voltage
8.2 V
Max. output current 8.2 mA per channel
Rated operation
6 V / 2 mA
Technical Data
26 27 28 29 30 31 32 33 34
X 1
3
4
5
6
7
8
9
1
2
X 2
25
0 V
3
2
+24 V
Measuring range 0.1 to 600 Hz
1 Hz to 3 kHz
*)
1 Hz to 20 kHz
Resolution
0.01 Hz
0.05 Hz
0.5 Hz
Accuracy
0.1 %
0.1 %
0.1 %
