描述
各种电动阀、电磁阀该开的没能打开，该关的没能关到位，由于执行机构没能按PLC的控制要求动作，使系统无法正常工作，降低了系统可靠性。要提高整个控制系统的可靠性，必须提高输入信号的可靠性和执行机构动作的准确性，否则PLC应能及时发现问题，用声光等报警办法提示给操作人员，尽快排除故障，让系统安全、可靠、正确地工作。
New Reliance Process Line Kit Board 0-57050 #30637
RELIANCE 0-51829-2 LINEAR VOLTAGE TIMING MODULE**NIB**
RELIANCE 0-51851-5 CRCF CARD CONTROLLER **NIB**
RELIANCE 0-56313-1 ISOLATED PROCESS CONTROLLER**RFB***
RELIANCE 0-56313-1B ISOLATED PROCESS CONTROLLER**RFB***
RELIANCE GV3000/2V4451 2HP 4.2A AC DRIVE ***NNB***
RELIANCE 0-51839-4 IRCE RELAY MODULE **RFB**
New Reliance Drive Rectifier Stack 86474-8S 86474 8S
RELIANCE 6SP44003/6SP44X-005CTNN SP600 3HP DRIVE *XLNT*
RELIANCE 1SU44005 5HP 3PH 9.9A SP500 VS DRIVE **NNB**
RELIANCE ELECTRIC HR 2000 BRUSHLESS AC SERIVO
DODGE/RELIANCE 6P14H3408 2HP GEAR MOTOR *NIB*
