Description
GE IS200VCMIH2BEE Industrial Control Machines
IS200VCMIH2BEE itself has a high degree of reliability, but if there is an error in the switching signal input to the PLC, a large deviation in the analog signal, and the actuator controlled by the PLC output port does not act as required, all of these may cause the control process to go awry, resulting in irreparable economic losses.
IS200VCMIH2BEE The main reasons that affect the field input to PLC signal error are:
(1) caused by the transmission signal line short circuit or broken (due to mechanical pulling, the line itself aging, especially rodent damage), when the transmission signal line failure, the field signal can not be transmitted to the PLC, resulting in control errors;
(2) mechanical contact jitter, although the field contact is only closed once, the PLC is considered closed many times, although the hardware added filter circuit, software to increase the differential instruction, but due to the PLC scanning cycle is too short, it may still be in the counting, totalizing, shifting, and other commands in the error, the wrong control results;
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