描述
若需替换一个模块，用户应确认被安装的模块是同类型。有些I/O系统允许带电更换模块，而有些则需切断电源。若替换后可解决问题，但在一相对较短时间后又发生故障，那么用户应检查能产生电压的感性负载，也许需要从外部抑制其电流尖峰。如果保险丝在更换后易被烧断，则有可能是模块的输出电流超限，或输出设备被短路。
Reliance 57409
RELIANCE ELECTRIC 61C-345 USPP 61C345
RELIANCE ELECTRIC 61C-345-A USPP 61C345A
Reliance Electric 0-51381-13/05138113 Controller Card
One-day shipping available
Reliance 61C-366/61C366 BRAND NEW! SEALED!!!!
One-day shipping available
Reliance Electric 45C-400A/45C400A/45C400/45C-400
One-day shipping available
RELIANCE 0-57413-1 DCS MEMORY MODULE**XLNT**
RELIANCE 0-57413-E DCS MEMORY MODULE**XLNT**
RELIANCE ELECTRIC 0-48680-521 NSFP 048680521
RELIANCE ELECTRIC GV3000SE-AC012-AA-DBU NSFP GV3000SEAC
RELIANCE ELECTRIC 0-56313-1 NSFP 0563131
