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LB1108A Digital Input
Key Benefits at a Glance
- 8-channel
- Inputs Ex ia
- Mounting in Zone 2, Class I/Div.2 or in the safe area
- Dry contact or NAMUR inputs
- Positive or negative logic selectable
- Simulation mode for service operations (forcing)
- Line fault detection (LFD)
- Permanently self-monitoring
- Module can be exchanged under voltage
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Note
All product-related documents, such as certificates, declarations of conformity, etc., which were issued prior to the conversion under the name Pepperl+Fuchs GmbH or Pepperl+Fuchs AG, also apply to Pepperl+Fuchs SE.
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- EN
Technical data of LB1108A
| Occupied slots | 2 |
| Connection | backplane bus | |
| Rated voltage | Ur | 12 V DC , only in connection with the power supplies LB9*** |
| Power dissipation | 0.95 W | |
| Power consumption | 0.95 W |
| Connection | backplane bus | |
| Interface | manufacturer-specific bus to standard com unit |
| Number of channels | 8 | ||||||||||
| Sensor interface | |||||||||||
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| Connection | channel I: 1+, 2-; channel II: 3+, 4-; channel III: 5+, 6-; channel IV: 7+, 8-; channel V: 9+, 10-; channel VI: 11+, 12-; channel VII: 13+, 14-; channel VIII: 15+, 16- | ||||||||||
| Rated values | acc. to EN 60947-5-6 (NAMUR) | ||||||||||
| Switching point/switching hysteresis | 1.2 ... 2.1 mA / ± 0.2 mA | ||||||||||
| Voltage | 8.2 V | ||||||||||
| Internal resistor | Ri | 1 kΩ | |||||||||
| Line fault detection | can be switched on/off for each channel via configuration tool | ||||||||||
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| Minimum pulse duration | 1 ms | ||||||||||
| LED indication | Power LED (P) green: supply Status LED (I) red: line fault | |
| Coding | optional mechanical coding via front socket |
| Electromagnetic compatibility | |||||
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| Electromagnetic compatibility | NE 21 | |
| Degree of protection | IEC 60529 | |
| Environmental test | EN 60068-2-14 | |
| Shock resistance | EN 60068-2-27 | |
| Vibration resistance | EN 60068-2-6 | |
| Damaging gas | EN 60068-2-42 | |
| Relative humidity | EN 60068-2-78 |
| Ambient temperature | -40 ... 60 °C (-40 ... 140 °F) | |
| Storage temperature | -40 ... 85 °C (-40 ... 185 °F) | |
| Relative humidity | 95 % non-condensing | |
| Altitude | max. 2000 m | |
| Shock resistance | shock type I, shock duration 11 ms, shock amplitude 15 g, number of shocks 18 | |
| Vibration resistance | frequency range 10 ... 150 Hz; transition frequency: 57.56 Hz, amplitude/acceleration ± 0.075 mm/1 g; 10 cycles frequency range 5 ... 100 Hz; transition frequency: 13.2 Hz amplitude/acceleration ± 1 mm/0.7 g; 90 minutes at each resonance | |
| Damaging gas | designed for operation in environmental conditions acc. to ISA-S71.04-1985, severity level G3 |
| Degree of protection | IP20 when mounted on backplane | |
| Connection | removable front connector with screw flange (accessory) wiring connection via spring terminals (0.14 ... 1.5 mm2) or screw terminals (0.08 ... 1.5 mm2) | |
| Mass | approx. 130 g | |
| Dimensions | 32.5 x 100 x 102 mm (1.28 x 3.9 x 4 inch) |
| EU-type examination certificate | PTB 03 ATEX 2042 X | ||||||||||
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| Input | |||||||||||
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| Certificate | PF 08 CERT 1234 X | ||||||||||
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| Galvanic isolation | |||||||||||
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| Directive conformity | |||||||||||
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II (1)G [Ex ia Ga] IIC | ATEX approval | PTB 03 ATEX 2042 X | |||||||
| UL approval | E106378 | |||||||
| IECEx approval | ||||||||
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| System information | The module has to be mounted in appropriate backplanes (LB9***) in Zone 2 or outside hazardous areas. Here, observe the corresponding declaration of conformity. For use in hazardous areas (e. g. Zone 2, Zone 22 or Div. 2) the module must be installed in an appropriate enclosure. | |
| Supplementary information | EC-Type Examination Certificate, Statement of Conformity, Declaration of Conformity, Attestation of Conformity and instructions have to be observed where applicable. For information see www.pepperl-fuchs.com. |