对于输入模块，电源LED显示表明输入设备处于受激励状态，模块中有一信号存在。该指示器单独使用不能表明模块的故障。逻辑LED显示表明输入信号已被输入电路的逻辑部分识别 。如果逻辑和电源指示器不能同时显示，则表明模块不能正确地将输入信号传递给处理器。输出模块的逻辑指示器显示时，表明模块的逻辑电路已识别出从处理器来的命令并接通。除了逻辑指示器外，一些输出模块还有一只保险丝熔断指示器或电源指示器，或二者兼有。保险丝熔断指示器只表明输出电路中的保护性保险丝的状态；输出电源指示器显示时，表明电源已加在负载上。像输入模块的电源指示器和逻辑指示器一样，如果不能同时显示，表明输出模块就有故障了。
PAIR OF SUNX LIGHT CURTAINS SF4-AH40 D/P EMMITTER+RECEIVER MAKE OFFER #D826
SIEMENS 232-0HB22-0XA0 S J9P STOCK#K2339
KLOCKNER MOELLER CIRCUIT BREAKER #F120
Releco C12-A21X/DC24V Control Relay C12-A21X with Base
2 X BILL HRC FUSE LINK BTKF315 315 AMP 550 VOLTS AC STOCK#K1619
SICK OPTEX VT180-N112S03 STOCK#781
BAUMER SENSORFZAM 18P1005 STOCK#K813
KEYENCE LVH37 PHOTOELECTRIC SENSOR STOCK#K1958
Sprague 500D 50uf 50 VDC Electrolitic Capacitor
MICRO CAL 1030 VOLTAGE AND CURRENT SOURCE STOCK#K2418
OMRON CJ1W-OD212 OUTPUT UNIT STOCK#K2111
Banner PD45VP6C200Q PD45 Series PicoDot Laser
ALLEN BRADLEY 1336-PB-SP23C PC BOARD NEW IN SEALED BOX STOCK#BD66
ALLEN BRADLEY 1336-B003-EOD SER A STOCK#BD44
SANYO DENKI SERVO AMPLIFIER 65AA030TXR03 STOCK#K1985
POTTER & BRUMFIELD CZ-430-2 PRESS LOCKOUT CONTROL
VEXTA 2. PHASE DRIVER UD2115 STOCK#K2172
Fischer & Porter 685B394U09 Rev 12 Control Board
KEYENCE PHOTOELECTRIC SENSOR PS 45 STOCK#K1889
Siemens 6SC6100-0GA12 Simodrive Power Supply Board
EDWARDS EMF 3 SPARE MIST ELEMENT A STOCK#K1125
JOUCOMATIC SPOOL VALVE PART NO. SEE PHOTO'S #Z65
EUTRAC STRAIGHT COUPLER SILVER GREY LENGTH 260MM STOCK#K1554
SIEMENS 20A MOLDED CASE CIRCUIT BREAKER 3VF3113 1FD41 OAAO STOCK #K733
TEC MULTI RANGE TIME DELAY RELAY ER-31D 110V 60S-60M 10M-10H STOCK#1639
Sprague 500D 50uf 50 VDC Electrolitic Capacitor
PID-111MB, 23347 Pneumatic Solenoid Valve PID-111MBAA
LENZE DRIVE INVERTER EVF8222-E VO20 47AMP 22KW 0-480 HZ 480V STOCK#K2352
Phoenix Contact MSTB 2.5-5.08 9-Position Solder In () MSTB2.5-5.0 (Lot of 6)
4 X BELL AND HOWELL PRINTED CIRCUIT BOARDS STOCK#K1479
FESTO 151683 (SMTO-1-PS-K-LED-24-C) PROXIMITY SENSOR STOCK#K1969
IMAL PC BOARD 8RW STOCK#K1317
Yokogawa TA40-0N Terminal Unit, 40-Point Converter
MITSUBISHI F2 40ER ES PROGRAMMABLE CONTROLLER SER 872074 STOCK#K1248
SIEMENS COMPACT MODULE K60 3RK2400-1FQ03-0AA3 STOCK#K1352
Honeywell Gasket Kit
Tsubaki RS50-2-RP-U Roller Chain A110107 RS50-2-RP
ALLEN BRADLEY SLC500 1746-0A16 SER C 50/60HZ STOCK#K1865
ALLEN BRADLEY 100-B300N*3 SER B V STOCK*L3
CYBELEC DNC 880S, S-DNC-887S-PS/B, S-PAD-880S/B CNC Press Brake Control
BAUTZ SERVOMOTOR M256B-00101 #K407
Pillar Industries AB6329-6(D) MK-8 Main Board AB6329
MOTOVARIO H032F GC i 16.77 B5 STOCK#K2465
