ABB 5SDF1645L0001 5SHY3545L0003工控控制卡件
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R（un）和F（ault）LED不亮ABB 5SDF1645L0001 5SHY3545L0003板正在重新启动或配置过程中。留出时间完成。如果该情况持续存在，并且CEX总线上的所有单元都有未点亮的LED：•检查包括ABB 5SDF1645L0001 5SHY3545L0003在内的有效硬件配置是否已下载到控制器。•检查PM8xx处理器单元内的CEX总线保险丝。•从PM8xx处理器单元启动复位信号（INIT）。•更换ABB 5SDF1645L0001 5SHY3545L0003装置。F（故障）LED亮起使用Control Builder软件从ABB 5SDF1645L0001 5SHY3545L0003单元请求状态信息并相应地进行：•从PM8xx处理器单元启动复位信号（INIT）。•更换ABB 5SDF1645L0001 5SHY3545L0003装置。一个或多个现场设备响应缓慢或完全失效网络问题很难解决1.设备可能：•地址错误。•连接极性不正确。•故障并导致网络故障或负载过重。2.现场总线电缆可能：•损坏导致数据线短路、断裂或接地（可能是间歇性的）。•错误终止。•包含因连接错误而极性反转的部分。•由于损坏或不良连接导致电源电压下降。3.网络电源可能有故障。•对网络电源进行整流。考虑工厂内可能的活动，如维护或维修工作，这可能导致问题。完全排除了这一点，然后进行以下操作：使用输入电容小于1000 pF的数字电压表检查供电网络中的直流电源电压。
R(un) and F(ault) LEDs are not ON The ABB 5SDF1645L0001 5SHY3545L0003 board is in the process of being restarted or configured. Allow time for this to finalize. If the condition persists, and all units on the CEX-Bus have non-illuminated LEDs: • Check that a valid HW configuration including the ABB 5SDF1645L0001 5SHY3545L0003 is downloaded to the controller. • Check the CEX-Bus fuse inside the PM8xx processor unit. • Initiate a reset signal (INIT) from the PM8xx processor unit. • Replace the ABB 5SDF1645L0001 5SHY3545L0003 unit. F(ault) LED is ON Use the Control Builder software to demand status information from the ABB 5SDF1645L0001 5SHY3545L0003 unit and proceed accordingly: • Initiate a reset signal (INIT) from the PM8xx processor unit. • Replace the ABB 5SDF1645L0001 5SHY3545L0003 unit.One or more field devices appear to be slow to respond or completely dead The network problem is proving very difficult to solve 1.A device may be: • Incorrectly addressed. • Connected with incorrect polarity. • Faulty and causing breakdown or heavy loading of the network. 2. The fieldbus cable may: • Be damaged causing a short-circuit, breaks or grounding of the data wires, (possibly intermittent). • Be incorrectly terminated. • Contain sections having reversed polarity due to incorrect connections. • Cause supply voltage drops due to damage or bad connections. 3. The network power supply may be faulty. • Rectify the network power supply. Give consideration to possible activities within the plant, such as maintenance or repair work, which may be causing the problem. Having totally ruled this out, then proceed as follows: Check the DC supply voltage in powered networks by means of a digital voltmeter having an input capacitance of less than 1000 pF.
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