用户可以在线测试修改后的逻辑，当执行修改后逻辑时，PACSystems™保留原逻辑的备份。用户可以在线更新 PACSystems™CPU 中程序为修改后程序，或者返回到源程序，或者取消测试继续修改逻辑，或者放弃修改。Word-for-Word Changes（字对字改变）：在线时逻辑修改不改变原程序大小。
AEG MODICON 120V OUTPUT MODULE AS-B806-032 REPAIRED
MITSUBISHI ELECTRIC 3-PHASE 52V 0.9A 50W AC SERVO MOTOR
ORIENTAL MOTOR 4RK25GN AWM AC MAGNETIC BRAKE MOTOR KIT
TELEMECANIQUE 24V DC COIL 250A CONTACTOR LC1D115 W/ OVE
NUMATICS 33DSA43AK000030 120 VOLTS 150 PSIG PNEUMATIC V
EATON 103-1026-108 HYDRAULIC MOTOR
GRAHAM TRANSMISSIONS VARISPEED 2000 0-90V 1HP DC DRIVE
YASKAWA ELECTRIC SERVOPACK 400W AC SERVO DRIVE SGDA-04A
RELIANCE ELECTRIC 1.7KVA 1HP VARIABLE SPEED AC DRIVE 1A
FANUC CRT CONTROL BOARD PCB A20B-1003-0340/?03B
CONAIR FILTER COMPARTMENT K2 CR BAAN
TELEMECANIQUE 24VDC COIL 160/250A CONTACTOR LC1D115 W/
SQUARE D 110/120V COIL TIMING RELAY CLASS 9050 BO-2D SE
SCC STATIC CONTROLS CORPORATION OPERATOR INTERFACE 1080
LUTZE 24VDC POWER SUPPLY 722746 NGP 24/20-2746 DIN41752
MITSUBISHI ELECTRIC 3-PHASE 51V 0.9A 50W AC SERVO MOTOR
MITSUBISHI ELECTRIC 3-PHASE 52V 0.9A 50W AC SERVO MOTOR
MITSUBISHI ELECTRIC 3-PHASE 60V 0.9A 50W AC SERVO MOTOR
TRW NELSON CONTROL BOARD NTR 1200W NTR 1800W LP-AUSG-TH
