P0917MF FOXBORO 输人端电压

A-B 1756-PA72
GE IC693PWR330
BACHMANN CM202
A-B 1756-A13
GE IC693PWR330
GE IC693ALG221
Pilz PSS SB DI808
A-B 1756-OB8EI
A-B 1756-DNB
PANASONIC MHMD042P1D
A-B 1756-DNB
A-B 1747-SN
A-B 1756-DNB
A-B 1746-P4

Description

输入的灵敏度各厂家对PLC的输人端电压和电流都有规定,如日本三菱公司F7n系列PLC的输入值为:DC24V7mA,启动电流为45mA,关 断电流小于15mA,因此,当输入回路串有二极管或电阻(不能完全启动),或者有并联电阻或有漏电流时(不能完全切断),就会有误动作,灵敏度下降

Scientific Software SS420 ISA Instrument Interface Card

Cisco Catalyst 4006 Managed Switch With 6-Port Fiber

Rackable Systems Dual Xeon 3.2GHz 1U Server 4GB RAM

Hewlett Packard HP 11500A Precison Cable Type N