Short description
Stepper motor module Connection for 2 stepper motors with ABR incremental encoder, 2-phase bipolar
General information
B&R ID code 0xA781
Status indicators X2X Link, operating state, module status, motor information
Module run/error Yes, using LED status indicator and software
Module temperature / Cooling unit temperature Yes, using software
Motor status Yes, using LED status indicator and software
X2X Link Yes, using LED status indicator
Electrical isolation
CPU - 24 VDC power supply No
CPU - Power supply Yes
CPU - Motor connection Yes
CPU - Digital inputs Yes
CPU - Enable inputs Yes
CPU - Encoder No
CPU - Motor holding brake No
CPU - X2X Link Yes
CE Yes
Functional safety Yes
UL cULus E225616
Power conversion equipment
KC Yes
24 VDC power supply
Input voltage 24 VDC ±25%
Voltage monitoring Yes
Power consumption
CPU Max. 8 W
X2X Link power supply Generated internally from the CPU power supply
Reverse polarity protection Yes
Power supply
Input voltage 24 to 64 VDC ±25%
Inrush current Max. 10 A
Power consumption
Idle (no motor powered) Max. 0.5 W
Full load See diagram "Dimensioning - Power dissipation from the power unit for each powered axis"
Inrush current limiting Yes, PTC (min. 9 Ω), is bypassed during operation by means of relay contact.
Undervoltage cutoff <18 VDC
Overvoltage cutoff >95 VDC
Voltage measurement Yes
Line protection Must occur externally
Reverse polarity protection Yes
Motor connection
Quantity 2
Nominal current 10 APeak
Max. current/motor 15 APeak (2 s)
Max. current/module 30 APeak
Nominal switching frequency 38.5 kHz
Max. motor cable length 25 m
Step resolution 256 microsteps per full step
DC bus capacitance 940 µF
Motor holding brake connection
Quantity 1
Nominal voltage 24 VDC
Input voltage 24 VDC ±25%
Continuous current 1 A
Max. internal resistance 0.3 Ω
Switching frequency
Resistive load 100 Hz
Inductive load See section "Switching inductive loads"
Protective measures
Overload and short-circuit protection Yes
Open circuit monitoring No
Undervoltage monitoring Yes
Max. overcurrent limiting 8 A
Response threshold for undervoltage monitoring ≤11 VDC
Reference potential GND for module power supply (X2 terminal, pin 10)
Variant 4-pin male connector
Min. X2X Link cycle time 250 μs
Encoder inputs
Quantity 2
Type ABR single-ended signals 24 V
Max. encoder cable length 25 m
Encoder power supply
Output voltage 24 V
Load capacity 40 mA, important: 1 PTC for both encoder channels
Protective measures
Overload-proof Yes
Short-circuit proof Yes
Inputs A, B, R
Switching threshold
Low <5 V (against COM)
High >15 V (against COM)
Temperature measurement
Type KTY
Values 0 to 110 °C
Tolerance 5%
Incremental encoder operation
Signal form Square wave pulse
Evaluation 4x
Counter size 16-bit
Input frequency Max. 50 kHz
Counter frequency 200 kHz
Input current at nominal voltage Typ. 4 mA
Enable inputs
Quantity 1
Nominal voltage 24 VDC
Input voltage 24 VDC ±25%
Input current at nominal voltage Typ. 60 mA
Input circuit Sink
Switching threshold
Low <5 VDC
High >15 VDC
Switching delay at nominal input voltage
Enable 1 → 0, PWM off
Maximum 450 ms (Rev. < L0: 452 ms)
Enable 0 → 1, ready for PWM
Maximum 500 ms
Isolation voltage between input and bus 500 Veff
Input capacitance 10 nF (Rev. < L0: 100 µF)
Digital inputs / Trigger inputs
Quantity 2
Additional functions Can be used as trigger input
Input circuit Sink
Input voltage
Nominal 24 VDC
Maximum 30 VDC
Input current at nominal voltage Approx. 7.5 mA
Input resistance Approx. 3.2 kΩ
Switching threshold
Low <5 VDC
High >15 VDC
Switching delay
Rising edge [Instant recording] Typ. 3 µs
Falling edge [Instant recording] Typ. 4 µs
Electrical isolation
Input - ACOPOS Yes, 500 Veff
Input - Input Yes, 500 Veff
Modulation compared to ground potential Max. ±38 V
Operating conditions
Mounting orientation
Horizontal No
Vertical Yes
Pollution degree per EN 61800-5-1 2 (non-conductive pollution)
Degree of protection per EN 60529 IP20
Ambient conditions
Operation 0 to 45 °C
Storage -25 to 55 °C
Transport -25 to 55 °C
Relative humidity
Operation 5 to 85 %, non-condensing
Storage 5 to 95%, non-condensing
Transport 5 to 95%, non-condensing
Mechanical properties
Note Order terminal blocks and cables separately!
Mounting/Cooling Screw mounting with heat spreader on mounting plate or cold-plate.
Width 65 mm
Height 134 mm
Depth 95 mm
Weight 650 g
Backplane Always mount on conductive and earthed backplane.
Material number:
  • Control for 2 stepper motors (2-phase bipolar, full bridge)
  • 256 microsteps per step
  • 2 incremental encoder inputs
  • 2 trigger inputs
  • Motor holding brake connection
  • Enable input
  • Automatic motor identification
  • Holding, boost and continuous current can be defined independent of one another
ACOPOSmicro stepper motor module, X2X Link interface, 2x 24 V incremental encoder, 24-64 VDC ±25% power supply, 2 motor connections, 10 A continuous current, 2 digital inputs 24 VDC, sink, can be used as trigger inputs, 1 digital output 24 VDC, 1 A, order terminal blocks separately!
Mandatory Accessories
Terminal block sets
80XSD100XD.C0-01A Screw clamp terminal block set for ACOPOSmicro modules 80SD100XD.xxxx-01: 1x 0TB1110.8010, 1x 0TB2105.4021, 1x 0TB2105.4022, 1x 0TB2105.9021
80XSD100XD.C0-01B Cage clamp terminal block set for ACOPOSmicro modules 80SD100XD.xxxx-01: 1x 0TB1110.8110, 1x 0TB2105.4121-01, 1x 0TB2105.4122-01, 1x 0TB2105.9121-01
Optional Accessories
Hose clamps
80XSC0000.00-01 Accessory for ACOPOSmicro: 1x hose clamp, B 9 mm, D 8-12 mm
80XSC0000.00-10 Accessory for ACOPOSmicro: 10x hose clamp, B 9 mm, D 8-12 mm
Terminal blocks
0TB1310.3100 Accessory terminal block, 3x 10-pin, cage clamp terminal block, 1.5 mm², protected against vibration by the screw flange
0TB1310.8110 Accessory terminal block, 3x 10-pin, cage clamp terminal block, 1.5 mm², protected against vibration by the screw flange, with labeling
Automation Studio HW Upgrades Version (Date) Download
V2.7 HW Upgrade (80SD100XD.C044-01) EXE / 1 MB
V3.0 HW Upgrade (80SD100XD.C044-01) EXE / 1 MB
V4.0 HW Upgrade (80SD100XD.C044-01) EXE / 1 MB
Certificates Version (Date) Download
E225616 UL Certificate of Compliance ACOPOSmicro PDF / 83 KB
EU Declaration ACOPOSmicro PDF / 126 KB
EU Declaration FS ACOPOSmicro PDF / 287 KB
TÜV Certificate - Function of "Save Pulse Disabling" for ACOPOSmicro PDF / 447 KB
UK Declaration ACOPOSmicro PDF / 109 KB
Documentation Version (Date) Download
ACOPOSmicro User's Manual PDF / 71 MB
E-CAD (Electro or EPLAN Templates) Version (Date) Download
M-CAD (Mechan. Templates) Version (Date) Download
3D file DXF/STEP ACOPOSmicro stepper ZIP / 7 MB

Please choose country and language

B&R Logo