关断单个的扩展或远程基板扩展或远程基板可以单独关断而不影响其它基板的运行:然而，关断-一个基板，会在包含每-一基板模块的PLC故障表中产生模板丢失故障。从故障条件产生，至该基板重新上电，所有模块重新恢复期间，丢失的I/0模块不会被扫描。关于电源上电和断电顺序更详细的信息，参考系列90-30可编程控制参考手册，GFK-0467第2章。
RELIANCE ELECTRIC 419437-D USPP 419437D
AXIOM P1150/586T USPP P1150586T
SUN MICROSYSTEMS T9840C USPP T9840C
MEASUREX 51304754-150 NSFP 51304754150
TELEMECANIQUE ATV-66D33-N4 USPP ATV66D33N4
TELEMECANIQUE ATV-66D33-N4U USPP ATV66D33N4U
MITSUBISHI A3M-CPU USPP A3MCPU
ALLEN BRADLEY 6180-DHJEFGDCEC?Z USPP 6180DHJEFGDCECZ
ALLEN BRADLEY 6180-DIIEGGDZEC?Z USPP 6180DIIEGGDZECZ
ANN ARBOR AAT2TTC633-SXTF?T USPP AAT2TTC633SXTFT
FANUC A16B-1211-0150 NSPP A16B12110150
MEASUREX 053540-00 USPP 05354000
ALLEN BRADLEY 2727-G7P20D1Q6 USPP 2727G7P20D1Q6
FANUC A16B-1211-0130 NSPP A16B12110130
MITSUBISHI A3U-CPU USPP A3UCPU
WINDSOR MPMZL5S112 USPP MPMZL5S112
INDRAMAT DKC03.1-040-7-F?W USPP DKC0310407FW
GENERAL ELECTRIC DS200LPPAG1AAA USPP DS200LPPAG1AAA
