B&R X20SM1436 REF

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X20SM1436 REF
B&RShopX20 systems

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SKU : X20SM1436
Brand : B&R
Material number:
  • 1 stepper motor, 24 to 39 VDC ±25%, 3 A (3.5 A peak)
  • Resolution of current values at 1%
  • Boost, nominal and holding current separately configurable
  • 38.5 kHz PWM frequency
  • Integrated motor detection
  • 256 microsteps
  • Stall detection
  • Complete integration in Automation Studio and CNC applications
  • 4 inputs, 24 VDC, configurable for ABR incremental encoders
  • Function model "Ramp" based on CANopen communication profile DS402
  • NetTime timestamp: Position change, trigger time

The stepper motor module is used to control stepper motors with a nominal voltage of 24 to 39 VDC (±25%) at a motor current up to 3 A (3.5 A peak). In addition, this module has 4 digital inputs that can be used as limit switches or encoder inputs.

Due to the individual adjustment of the coil currents, the motor is only operated with the current it actually needs. This simplifies the selection of the available motors and prevents unnecessary heating. Because this affects energy consumption and thermal load, the effects are positive on the service life of the complete system. Complete flexibility is achieved through the use of independently adjustable holding, maximum and nominal current values. The current for microsteps is automatically adjusted to the configured current values.

The automatic motor identification system is an enormous help during standstills. The stepper motor modules can identify the connected motors using their coil characteristics and generate feedback in the form of an analog value. This makes it possible to detect not only wiring errors, but also incorrect motor types being used mistakenly. "Stall detection" is integrated to analyze the motor load. Detection of the stall is defined via a configurable threshold. This allows an overload or motor standstill to be detected precisely in many different types of applications.

State: Refurbished
Specification :
Short description
I/O module 1 full bridge for controlling stepper motors
General information
B&R ID code 0x2682
Status indicators I/O function per channel, operating state, module status
Module run/error Yes, using LED status indicator and software
Output Yes, using LED status indicator and software
I/O power supply Yes, using software
Power consumption
Bus 0.01 W
Internal I/O -
External I/O
24 VDC 2.45 W
48 VDC 3.15 W
Additional power dissipation caused by actuators (resistive) [W] -
CE Yes
ATEX Zone 2, II 3G Ex nA nC IIA T5 Gc
IP20, Ta (see X20 user's manual)
FTZÚ 09 ATEX 0083X
UL cURus E225616
Power conversion equipment
HazLoc cCSAus 244665
Process control equipment
for hazardous locations
Class I, Division 2, Groups ABCD, T5
KC Yes
Motor bridge - Power unit
Quantity 1
Type 2-phase bipolar stepper motor (full bridge)
Nominal voltage 24 to 39 VDC ±25%
Nominal current 3 A
Maximum current 3.5 A for 2 s (after a recovery time of at least 10 s at maximum 3 A)
Controller frequency 38.4 kHz
DC bus capacitance 100 µF
Step resolution Max. 256 microsteps per step
Module power supply
Supply External
Fuse Required line fuse: Max. 10 A, slow-blow
Output protection No reverse polarity protection of the supply voltage
Digital inputs
Quantity 4
Nominal voltage 24 VDC
Input circuit Sink
Input filter
Hardware <5 µs
Software -
Connection type 1-wire connections
Input resistance Typ. 18.2 kΩ
Additional functions 1x ABR incremental encoder
Switching threshold
Low <5 VDC
High >15 VDC
ABR incremental encoder
Quantity 1
Encoder inputs 24 V, asymmetrical
Counter size 16-bit
Input frequency Max. 50 kHz
Evaluation 4x
Electrical properties
Electrical isolation Channel isolated from bus
Channel not isolated from I/O power supply
Operating conditions
Mounting orientation
Horizontal 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
Horizontal mounting orientation 0 to 50°C
Vertical mounting orientation Not permitted
Derating See section "Derating".
Storage -25 to 70°C
Transport -25 to 70°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 X20BM31 separately.
Pitch 25+0.2 mm
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B&R X20SM1436 REF