RUSB02福州卓凯

RUSB-02
PLC的故障类型有哪些？
外部设备故障
外部设备就是与PLC实际过程直接联系的各种开关、传感器、执行机构、负载等。这些设备发生故障，会直接影响PLC系统的控制功能。因此，维修PLC，首先要分清是外部设备故障，还是PLC本身故障。
系统故障
1）系统故障是影响PLC系统运行的全局性故障。
2）PLC系统故障可以分为固定性故障、偶然性故障。
3）故障发生后，可以重新启动使系统恢复正常，则就是偶然性故障。如果重新启动不能恢复，而是需要更换硬件或软件，系统才能够恢复正常，则认为是固定性故障。
硬件故障
PLC硬件故障主要指PLC系统中的模板、电路损坏而造成的故障。
软件故障
PLC软件故障包含软件错误、操作错误等。PLC软件故障一般可以通过PLC本身的自诊断测试功能或者软件来查看、检查。
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Copeland 2.5 3 Ton 208-230 Volt A/C Compressor CR31K7-PFV-970 CR32K6-PFV-830
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Copeland 2.5 3 Ton 230 Volt Compressor SEM1-0275-PFV SEM2-0275-PFV YHJ1-0275-PFV
Copeland 2.5 3 Ton 230 Volt Compressor SRD5-0225-PFV SRD6-0225-PFV SRJ4-0225-PFV
Copeland 2.5 3 Ton A/C Compressor CR28KQ-PFV-980WB
Copeland 2.5 3 Ton A/C Compressor CR32K6-PFV-130 CR32K6-PFV-775 CR32K6-PFV-870
Copeland 2.5 3 Ton Scroll AC Condenser Compressor ZR30K3-PFV-830 ZR30K3-PFV-930
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Copeland 2.5 Ton Heat Pump A/C Condenser Compressor 30,000 BTU CR30K6-PFV-875
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Copeland 2.5 Ton HP A/C Compressor 30,000 BTU SHK2-0250-PFV SRE4-0250-PFV
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Copeland 2.5 Ton HP A/C Condenser Compressor CR30K6-PFV-130 CR30K6-PFV-170
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Copeland 2.5 Ton Scroll A/C Condenser Compressor ZR28K1-PFV-931 ZR26K3-PFV-130
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Copeland 2.5 Ton Scroll Compressor ZR28K3-PFV-130 ZR28KC-PFV-130 ZR28K5E-PFV-7M3
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Copeland 3 Ton 3Ph Scroll A/C Condenser Compressor ZR38K5-TF5-130 ZR38K5-TF5-800
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Copeland 3 Ton Scroll AC Condenser Compressor ZP34K5-PFV-130 ZP34K5E-PFV-130
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Copeland 3 Ton Scroll HP A/C Condenser Compressor 38,000 BTU ZR38K5-PFV-800
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Copeland 3.5 4 Ton 208-230 Volt A/C Compressor CR42K6-PFV-830 CR42K6-PFV-960
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Copeland 3.5 Ton 3Ph Scroll Condenser Compressor ZR42K5-TF5-830 ZR42KA-TF5-130
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