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The 3G2C3-CPU11-V1 model from Omron is a programmable controller module designed for various automation tasks. This CPU module supports many features, including memory protection during power interruptions and comprehensive self-diagnostics.
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| Manufacturer | Omron |
|---|---|
| Product Type | Programmable Controller (CPU Module) |
| Product Line | 3G2 |
| Part Number | 3G2C3-CPU11-V1 |
| Memory Protection | Retains HR bits, counter presets, and DM contents during power failure; protection duration depends on Memory Pack used |
| Self-Diagnostics | Includes watchdog timer, memory failure, I/O bus failure, and more |
| Data Memory | 512 DM words (16 bits per word) |
| Special Register Bits | IR bits: 416 (3200 to 5715), SR bits: 88 (5800 to 6307), TR bits: 8, HR bits: 512, LR bits: 512 |
| Control Inputs/Outputs | Input Voltage: 24 mA @ 24 VDC; Output: Max. 2 A @ 250 VAC (resistive), 0.5 A @ 250 VAC (inductive, cos φ = 0.4), 2 A @ 24 VDC |
| Timers and Counters | 128 total (TIM/CNT 000–127, TIMs up to 999.9 s, TIMHs up to 99.99 s, CNTs up to 9999 counts) |
| I/O Capacity | 512 I/O bits (range: 0000 to 3115) |
| Programming Method | Ladder diagram |
| Instruction Length | 1 address per instruction, using 1 to 4 words per instruction |
| Execution Speed | 3–8 µs for basic instructions; 22–504 µs for special instructions |
| Error Checks | Detects coil duplication, circuit errors, etc. |
| Memory Capacity | 24K words |
Omron’s 3G2C3-CPU11-V1 functions as a sophisticated programmable controller (CPU module). This module is equipped to preserve the status of HR bits, counter presets, and DM contents even when power fails, although the extent of this protection relies on the Memory Pack in use.
Included self-diagnostics features are crucial for maintaining optimal performance. The diagnostics encompass a watchdog timer, memory failure detection, and I/O bus failure monitoring, aiding users in identifying issues promptly. This unit's data memory capacity amounts to 512 DM words, with each word containing 16 bits, which supports complex processing tasks.
The module offers a wide range of special register bits: 416 IR bits, 88 SR bits, 8 TR bits, and 512 each for HR and LR bits. For control inputs and outputs, it is capable of 24 mA input at 24 VDC, alongside outputs rated up to 2 A at 250 VAC (for resistive loads) and 0.5 A at the same voltage for inductive loads.
Users can utilize 128 timers and counters, enabling extensive monitoring and timing operations, with counts extending up to 9999. The I/O capacity is structured to manage 512 bits, with a range from 0000 to 3115. Programming utilizes the ladder diagram method, which simplifies the coding process.
Instruction processing is efficient, employing 1 address per instruction and utilizing between 1 to 4 words, with execution times ranging from 3 to 8 microseconds for basic tasks, extending up to 504 microseconds for special commands. The controller also features built-in error checks to identify coil duplication and other potential circuit flaws, ensuring reliability and smooth operation. With a total memory capacity of 24K words, the 3G2C3-CPU11-V1 is well-equipped to handle demanding automation tasks effectively.