Allen Bradley 1756-L84ES

User Program: 20 MB (standard tasks).

Safety Program: 6 MB (dedicated safety tasks).

Extended Storage: Supports 2 GB SD card (non-volatile).

Ethernet: 1 x 1 Gbps EtherNet/IP port, supports 250 nodes.

USB: 1 x USB 2.0 port (full speed 12 Mbps).

Protocol Support: EtherNet/IP, ControlNet, DeviceNet (safety communication option).

Standard Tasks: 31, each supports 1000 programs.

Safety Tasks: 1, each supports 1000 programs.

Operating Temperature: 0°C to 60°C (32°F to 140°F).

Humidity: 5% to 95% (non-condensing).

Vibration/Shock: Operating vibration 2G (10-500 Hz), shock 30G.

Voltage range: 12-24 V DC (needs to match chassis power module, such as 1756-PA75).

Power consumption: Approximately 2.5 W (800 mA at 5.1 V DC)

Application scenarios

Machine safety: Allen Bradley 1756-L84ES can be used for emergency shutdown of machine tools, robot safety fence interlocking, and two-hand operation control of stamping equipment.

Process safety: Safety instrument system (SIS) of chemical plants, leakage monitoring and emergency shutdown of oil and gas pipelines.

Automobile manufacturing: Synchronous control of body welding lines, safety interlocking of paint shops and distributed I/O monitoring.

Semiconductor manufacturing: Multi-axis motion control and safety logic integration of clean room equipment.

Energy and infrastructure: Allen Bradley 1756-L84ES can be used for grid redundancy control, safety monitoring of wind turbine pitch systems, and emergency shutdown of water treatment plant pump stations.