直流输入模板配线虽然在内部有抗干扰，但是这些低-级别输入应当在配线时注意以进一步的保护以防止耦合干扰组合–些模板以隔离电线将相类似的模板安排在一起安装在PLC机架能够帮助保持电线的隔离。例如，-一个机架只由交流模板组成而在另-个不同的机架只有直流模板，
GE FANUC IC690PWR124A FIELD POWER SUPPLY
WEIDMULLER CONNECT POWER 24V 6.5A DC POWER SUPPLY 16170
TELEMECANIQUE SQUARE D 600V MAX, 63A TERMINAL BLOCK GV1
PIAB EVS 54 VACUUM SWITCH NIB
TURCK BI 2-CRS260-ADZ30X?2-B1131-S34 PROXIMITY SENSOR NI
SQUARE D COMPANY ACW3 PRESSURE SWITCH NNB
COUTANT LAMBDA DC POWER SUPPLY OMEGA MML400 E25551
RELIANCE A77B5901N S-2000 AC MOTOR ROTARY BLOWER, Frame
STATIC CONTROLS CORP 120V NAB-3 CONVERTER RS-232 RS-485
TELEMECANIQUE LA1 LD580BD INTERFACE MODULE, NIB
SQUARE D SERIPLEX CONTROL BUS SPX-2A 2 AC INPUT MODULE,
TELEMECANIQUE LA1 LC580BD INTERFACE MODULE, NIB
ALLEN BRADLEY 1771-A1 4-SLOT RACK, Series A, NIB
EBM PAPST W2S130-BM15-01 AC AXIAL COMPACT FAN, NIB
ALLEN BRADLEY POINT I/O COMMUNICATION ADAPTER MODULE 17
ALLEN BRADLEY POINT I/O COMMUNICATION ADAPTER MODULE 17
ALLEN BRADLEY Logix5000 CONTROLLERS USER MANUAL,
