Honeywell 8C-PCNT02｜Control Module｜

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Honeywell 8C-PCNT02｜Control Module｜

8C-PCNT02

1. Power supply and power consumption
Working power supply: DC 24V (18-30V wide voltage), provided by rack redundant power supply
Rated current: 0.32A
Maximum power consumption: ≤ 7.7W
Electrical isolation: fully isolated input/output, strong anti-interference ability
2. Processor and computing power
Processor: PowerPC 8270 32-bit RISC architecture, with a clock speed of 25MHz
System memory: 512KB Flash+455MB RAM
Control cycle: 10ms/20ms optional, deterministic control execution environment (CEE)
Control capability: Supports redundant I/O links, with a maximum of 80 I/O modules mounted on a single controller
3. Pulse counting function (core difference point)
Number of channels: 8 independent high-speed pulse counting channels
Input signal type: NPN/PNP open collector, differential pulse, TTL level
Counting modes: increasing/decreasing/bidirectional orthogonal counting, frequency measurement, period measurement
Maximum input frequency: Single channel 1MHz; Four channels working simultaneously with a total frequency of ≤ 2MHz
Count range: 0 to 99999999 (32-bit unsigned integer)
Timing resolution: 1 μ s to 999999.999s (configurable for 1 μ s/10 μ s/100 μ s/1ms, etc.)
Counting accuracy: ± 1 counting pulse
Fault tolerant design: Channel level fault isolation, single channel faults do not affect other channels
4. Communication interface
Main communication: Dual redundant I/O Link bus (connecting field I/O modules)
Extended communication: Ethernet RS-232、RS-485， Supports Modbus RTU/TCP, EtherNet/IP
5. Redundancy and Diagnosis
Redundancy support: Module level 1:1 hot redundancy, switching time ≤ 10ms
Fault diagnosis: channel fault, count overflow, communication fault, power failure, diagnostic coverage rate ≥ 99.5%
Alarm methods: local LED (power/operation/fault/redundancy), cabinet dry contacts, upper computer alarm