描述
PLC的输入与输出最好采用分开走线，开关量与模拟量也要分开敷设。模拟量信号的传送应采用屏蔽线，屏蔽层应一端或两端接地，接地电阻
电阻，物质对电流的阻碍作用就叫该物质的电阻。电阻小的物质称为电导体，简称导体。电阻大的物质称为电绝缘体，简称绝缘体。应小于屏蔽层电阻的1／10。
NEW FIREYE FLAME ROD AMPLIFIER MODULE #MERT4 FFRT 4 SE
Fireye MED6 MicroM Daughter Board w/ display output NEW
Fireye 70D30 Flame Safeguard Boiler Control Used
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Fireye MAUV1 Amplifier UV M-Series2 2-4Second FFRT NEW
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Fireye MEUV4 UV Amplifier Module FFRT 4 Second Max
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NEW FIREYE 60-1508-2 OFF DELAY TIMING MODULE BOARD CARD
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FIREYE MT30-10 PURGE CARD 30SEC.T.F.I. 10 SEC MAX, NIB
*NIB* Fireye 30 Second Prepurge Timer MT30-10 *NIB*
