硬件方面的细节见第三章。在使用直流毫安输入信号前，继电器测得的信号值，比如直流电压和温度，必须按外部信号转换器基本输入参数的范围和数量进行转换。继电器可以通过对外部信号转换器的输出量进行比例计算和展示出实际初始参数，简化这个过程。
Reliance Electric 0-52840-44A CCC Drive Module
Reliance Electric 0-52876-1 Drive Module Circuit Board B16 (791)
RELIANCE ELECTRIC RELIANCE ELECTRIC BUS BOARD 0-55308
RELIANCE ELECTRIC INCHES GAUGE 0-60 GAGE CROMPTON 007
Reliance Electric 0-52839 TSSA Drive Module GUARANTEED
Reliance Electric 0-51831-3 CVTD Current Voltage Card
Reliance Electric Circuit Board 0-52839 _ 052839 _ O-52839 _ O52839
Reliance Electric 63262 Electric Speed Indicator 0-10
Reliance Electric 0-51486-17 Relay Input Card 05148617
RELIANCE ELECTRIC 0-55306 PRINTED CIRCUIT S-3 GATE DRIVER
RELIANCE ELECTRIC 0-51862-1 USAB CIRCUIT CONTROL BOARD MODULE CARD 54531
RELIANCE ELECTRIC 0-54121-7W PC BOARD
RELIANCE ELECTRIC 0-057427 LINE FILTER INPUT CARD MODULE 28983
Reliance Electric PC Board Calibration 0-48652 048652
Reliance Electric 0-51831-1 CVTB Current Voltage
Reliance Electric 0-54394 Driver Card
