Product Introduce
1756-L61 is a PLC module of the ControlLogix 5560 series. It supports the ControlLogix 1756 series backplane, with a rate of up to 3 Gbps, 1 10/100 Mbps Ethernet port, supports the EtherNet/IP protocol, and can expand Profibus, DeviceNet, ControlNet and other communication modules through the backplane, supporting up to 32 local or remote I/Os. modules to connect thousands of I/O points.
Parameter
| Parameter | 1756-L61 (ControlLogix 5561) | 1756-L62 (ControlLogix 5562) | 1756-L63 (ControlLogix 5563) | 1756-L55 (ControlLogix 5555) |
|---|---|---|---|---|
| Processor Series | ControlLogix 5560 | ControlLogix 5560 | ControlLogix 5560 | ControlLogix 5550 |
| CPU Clock Speed | 800 MHz | 1.0 GHz | 1.2 GHz | 400 MHz |
| User Memory | 1 MB (Program) + 5 MB (Data) | 2 MB (Program) + 10 MB (Data) | 4 MB (Program) + 20 MB (Data) | 512 KB (Program) + 2 MB (Data) |
| Instruction Execution Speed | 0.6 µs/instruction (typical) | 0.4 µs/instruction (typical) | 0.3 µs/instruction (typical) | 1.0 µs/instruction (typical) |
| Maximum Concurrent Tasks | 32 | 32 | 32 | 16 |
| Integrated Ethernet Ports | 1 x 10/100 Mbps (EtherNet/IP) | 2 x 10/100 Mbps (EtherNet/IP) | 2 x 10/100 Mbps (EtherNet/IP) | 1 x 10/100 Mbps (EtherNet/IP) |
| Local I/O Modules Support | Up to 32 | Up to 32 | Up to 32 | Up to 16 |
| Redundancy Support | Yes (with 1757-SRM) | Yes (with 1757-SRM) | Yes (with 1757-SRM) | No |
| Safety Rating | SIL 2 (with safety modules) | SIL 2 (with safety modules) | SIL 2 (with safety modules) | SIL 1 (with safety modules) |
| Programming Software | Studio 5000 Logix Designer | Studio 5000 Logix Designer | Studio 5000 Logix Designer | RSLogix 5000 / Studio 5000 |
| Operating Temperature | 0°C ~ 60°C | 0°C ~ 60°C | 0°C ~ 60°C | 0°C ~ 60°C |
| Protection Class | IP20 | IP20 | IP20 | IP20 |
FAQ:
1.What is the minimum version of Studio 5000 software supported by the 1756-L61?
- Minimum version: Studio 5000 Logix Designer v21.00.00 (corresponds to RSLogix 5000 v20)
- Firmware recommendation: ≥20.019 (best compatible)
- Key limitation: The controller cannot be recognized for versions lower than v21, and advanced functions need to match the corresponding software/firmware version
2.Can programs from older ControlLogix 5550 series (such as the 1756-L55) be directly migrated to the 1756-L61?
Direct migration to 1756-L61 is possible, but 3 key conditions must be met:
- Software version: Use Studio 5000 v21+ (1756-L61 minimum requirement), open the 1756-L55 program file (.ACD)
- Program compatibility: Logic code and I/O mapping can be directly reused when there are no special customized instructions.
- Firmware matching: 1756-L61 firmware ≥20.019
3.What is the maximum number of I/O points and local I/O modules supported by the 1756-L61?
- Maximum total I/O points: 128,000 points (128,000 digital points + 4,000 analog points)
- Upper limit of local I/O modules: 32 (including all types of modules)
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