The ABB 07CR41 Central Unit (1SBP260021R1001) is a high-performance, expandable central unit designed for industrial automation and distributed control systems. It supports binary, analog, and temperature inputs, relay outputs, RS232 MODBUS communication, and high-speed counters, making it ideal for machine automation, workshops, and industrial process control.
Key Features
- Product Name: ABB 07CR41 120/230VAC Central Unit
- Product ID: 1SBP260021R1001
- Power Supply: 120/230V AC (isolated 24V DC output for inputs)
- Binary Inputs: 8
- Relay Outputs: 6 (2A, 250V AC)
- Analog Inputs: 2 voltage ±10V, 1 temperature input
- Expansion Units Supported: Up to 6
- Max. Binary Inputs (with expansion): 104
- Max. Binary Outputs (with expansion): 54
- Max. Analog Inputs (with expansion): 51
- Max. Analog Outputs (with expansion): 12
- Communication Interfaces: RS232 for programming, MODBUS, and ASCII
- User Program Memory: 17,000 words (Flash EPROM)
- Data Backup: 20 days at 25°C via battery
- Weight: 800 g
Execution & Programming
- Execution Time (1kB Code): 0.4 ms (100% binary), 1.2 ms (65% binary, 35% words)
- Timers: 42 simultaneously (1ms to 24 days)
- Counters: Unlimited (-32,767 to +32,767)
- High-Speed Counters: 1 incremental encoder (5 kHz), 2 standalone counters (7 kHz)
- Interrupts: 2 alarms (250 μs delay), 1 cyclic (1 ms to 2 s)
- Step Motor Output Frequency: 10 Hz to 2.66 kHz
- Clock Drift: 4.3 min/month (25°C)
- Programming Software: AC31GRAF (IEC 1131-3)
- Programming Languages: FBD, LD, IL, SFC
Power Supply
- Nominal Supply: 120–230V AC
- Power Consumption: 400 mA (max configuration)
- Polarity Reversal Protection: Yes (for DC model)
- Power Dissipation: 10W (AC model)
Inputs & Outputs
- Binary Inputs: 8 (24V DC, PNP/NPN)
- Binary Outputs: 6 Relay Outputs (2A, 250V AC)
- Analog Inputs: 3 (2 voltage ±10V, 1 temperature)
- Relay Isolation: 1500V AC
- Output Switching Frequency: <1Hz (resistive load), <0.2Hz (inductive/lamp loads)
- Short Circuit & Surge Protection: External protection recommended
Analog Inputs
- Voltage Range: ±10V (max ±30V)
- Resolution: 11-bit + sign (Voltage), 12-bit (Temperature)
- Temperature Sensor Support: PT100, PT1000, PTC, NTC
- Sampling Rate: 2.5 ms
- Max Cable Length: 50 m (shielded)
Diagnosis & Protection
- Error diagnostics via Technical Manual AC31
- User program protected by password
- Backup and data stored in Flash EPROM and SRAM with battery backup
Electrical Isolation
- AC model provides high-voltage isolation between power supply and inputs/outputs
Applications
The 07CR41 is suitable for standalone industrial control, machine automation, and workshop-level distributed systems, offering expandability, reliable I/O management, and robust communication capabilities.
Details
| Weight | 0.35 kg | 
|---|


 
 
 
 
Reviews
There are no reviews yet.