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Digital Input Modules
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Digital Input Module NAMUR for Installation in Zone 1 Type 9470/22
- 16 channels for contacts and NAMUR proximity switches (EN 60 947-5-6)
- Intrinsically safe Ex ia IIC inputs
- Galvanic isolation between
inputs and system - Open-circuit and short-circuit monitoring for each field circuit
- Two channels can be parameterized as frequency inputs or counters up to 20 kHz
- Connection of the field cables with plug-in terminals
- Modules can be replaced while powered up (hot swap)
- Installation in
- Zone 1 / Division 1
- Zone 2 / Division 2
- Zone 21 and Zone 22
| Zones | 0 | 1 | 2 | 20 | 21 | 22 | Ex i interfaces | X | X | X | X | X | X | Installation in | | X | X | | X | X |
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Digital Input Module NAMUR for Installation in Zone 2 Type 9470/25
- 16 channels for contacts and NAMUR proximity switches (EN 60 947-5-6)
- Zone 2 version for connection of circuits acc. to Ex nL, Ex nA and Non-Ex
- Galvanic isolation between inputs and system
- Open-circuit and short-circuit monitoring for each field circuit
- Two channels can be parameterized as frequency inputs or counters up to 20 kHz
- Connection of the field cables with plug-in terminals
- Modules can be replaced while powered up (hot swap)
| Zones | 0 | 1 | 2 | 20 | 21 | 22 | Ex-interfaces | | | X | | | X | Installation in | | | X | | | X |
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Digital Input Module 24 V Type 9471
- 16 channels for active 0 / 24 V signals
- Zone 2 version for connection of circuits acc. Ex nL, Ex nA and Non-Ex
- Galvanic isolation between inputs and system
- Two channels can be parameterized as frequency inputs or counters up to 20 kHz
- Connection of the field cables with plug-in terminals
- Modules can be replaced while powered up (hot swap)
| Zones | 0 | 1 | 2 | 20 | 21 | 22 | Ex-interfaces | | | X | | | X | Installation in | | | X | | | X |
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