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PRODUCT POSITION:HOMEPRODUCT—1756-L61 B
1756-L61 B
The Allen - Bradley 1756 - L61 B is a ControlLogix series processor module
DESCRIBE
Here are the brief English parameters of Allen - Bradley 1756 - L61/B:
General Information
Part Number: 1756 - L61/B
Manufacturer: Rockwell Automation (Allen - Bradley)
Series: ControlLogix
Module Type: Processor Module
Memory
User Memory: 2 MB
I/O Memory: 478 KB
Optional Nonvolatile Memory: 128 MB (using 1784 - CF128 Compact Flash)
Power
Backplane Current (5 V DC): 1.2 amps
Backplane Current (24 V DC): 14 ma
Power Dissipation: 3.5 W
Communication
Built - in Port: RS - 232 serial port, supports protocols like ASCII, DF1 full/half - duplex, DF1 radio modem, Modbus via logic, and DH - 485.
Other Supported Networks: Ethernet/IP, ControlNet, DeviceNet, etc.
I/O and System Performance
Max Digital I/O: 128,000
Max Analog I/O: 4,000
Program Scan Time: 0.08 ms
Controller Connections: Up to 250
Environmental Conditions
Operating Temperature: 0 °C to 60 °C (32 °F to 140 °F)
Storage Temperature: - 40 °C to 85 °C (- 40 °F to 185 °F)
Humidity: 5% to 95% (non - condensing)
Vibration: 2 g at 10 - 500 Hz
Shock: 30 g (operating), 50 g (non - operating)
Physical Characteristics
Height: 175 mm (6.89 in)
Width: 140 mm (5.51 in)
Depth: 118 mm (4.65 in)
Weight: 1.4 kg (3.1 lb)
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