Category: I/O systems > X20 System > Digital inputs
4 digital inputs Input module for NAMUR encoders Open line and short circuit detection Each input can be used as a counter input The module is used to transfer digital signals from NAMUR encoders according to EN 60947-5-6 .
In addition to NAMUR encoders, normal switches can also be used.
Technical Specifications
Short description
- I/O module = 4 NAMUR inputs, special function
General information
- Diagnostics
- Module run/error = Yes, using LED status indicator and software
- Short circuit = Yes, using LED status indicator and software
- Open circuit = Yes, using LED status indicator and software
- Power consumption
- Bus = 0.01 W
- Internal I/O = 1.5 W
- Certifications
- CE = Yes
- UKCA = Yes
- CRA (Cyber Resilience Act) = In preparation
- ATEX = Zone 2, II 3G Ex nA nC IIA T5 Gc IP20, Ta (see X20 user's manual) FTZÚ 09 ATEX 0083X
- UL = cULus E115267 Industrial control equipment
- HazLoc = cCSAus 244665 Process control equipment for hazardous locations Class I, Division 2, Groups ABCD, T5
- DNV = Temperature: B (0 to 55°C) Humidity: B (up to 100%) Vibration: B (4 g) EMC: B (bridge and open deck)
- CCS = Yes
- LR = ENV1
- KR = Yes
- ABS = Yes
- BV = EC33B Temperature: 5 - 55°C Vibration: 4 g EMC: Bridge and open deck
- KC = Yes
- B&R ID code = 0x2105
- Status indicators = I/O function per channel, open-circuit and short-circuit detection per channel, operating state, module status
- Additional power dissipation caused by actuators (resistive) [W] = -
Event counters
- Input frequency
- 1 input active = Max. 1600 Hz
- 2 inputs active = Max. 1100 Hz
- 3 inputs active = Max. 870 Hz
- 4 inputs active = Max. 680 Hz
- Quantity = 4
- Signal form = Symmetrical square waves or corresponding minimum pulse duration
- Evaluation = Each positive edge, cyclic counter
- Counter size = 8-bit
NAMUR inputs
- Input delay
- 1 input active = ≤310 µs
- 2 inputs active = ≤450 µs
- 3 inputs active = ≤570 µs
- 4 inputs active = ≤735 µs
- Switching threshold
- Area = 1.2 mA to 2.1 mA
- Switching hysteresis = Typ. 300 µA
- Open-circuit detection = <350 µA
- Input circuit = For NAMUR encoder per EN 60947-5-6
- Insulation voltage between channel and bus = 500 V eff
- Short-circuit detection = >7 mA
- Open-circuit voltage = 8.05 V ±0.33%
- Switching amplifier internal resistance = 1 kΩ ±1%
- Max. short-circuit current = 8.2 mA
Electrical properties
- Electrical isolation = Channel isolated from bus Channel not isolated from channel
Operating conditions
- Mounting orientation
- Horizontal = Yes
- Vertical = Yes
- Installation elevation above sea level
- 0 to 2000 m = No limitation
- >2000 m = Reduction of ambient temperature by 0.5°C per 100 m
- Degree of protection per EN 60529 = IP20
Ambient conditions
- Temperature
- Operation
- Horizontal mounting orientation = -25 to 60°C
- Vertical mounting orientation = -25 to 50°C
- Derating = See section "Derating".
- Storage = -40 to 85°C
- Transport = -40 to 85°C
- Relative humidity
- Operation = 5 to 95%, non-condensing
- Storage = 5 to 95%, non-condensing
- Transport = 5 to 95%, non-condensing
Mechanical properties
- Note = Order 1x terminal block X20TB12 separately. Order 1x bus module X20BM11 separately.
- Pitch = 12.5 +0.2 mm
