CPU內(nèi)的軟件看門狗定時(shí)器用于檢測(cè)不能完成描錯(cuò)誤。在編程軟件中設(shè)定軟件看門狗定時(shí)器數(shù)值。允許范圍為10~2550毫秒，缺省值為200毫秒。軟件看門狗定時(shí)器在每次掃描開(kāi)始時(shí)清零并開(kāi)始計(jì)時(shí)。軟件看門狗定時(shí)器用于檢測(cè)應(yīng)用程序中–些非正常操作，這些非正常使CPU不能正常的完成掃描。不正常的應(yīng)用程序情況如下列例子

Veeco Shutter Interlock Cable Assembly Assy 0384-373-00

IBM/Lenovo ThinkPad X4 UltraBase Dock PN:13N5432 91P283

Watlow Firerod 9740 J5A45 FR-J5A45 500W 240V

Cirris AMDP-62 62-Pin MD-Sub Male Socket Connector Test

Cirris ADBS-50 50 Socket D-Sub Female Fem. Connector Te

Cirris ADBP-50 50-Pin D-Sub Male Socket Connector Test

Cirris ABRF-50 Position Ribbon Female POS. Fem. Connect

HP C5141F 40-80GB DLT IV Tape Data Cartridge 1/2″ C5141

Fujifilm 125M 4mm Data Tape 12/24GB Media Recognition S

Toshiba TS-L462 TS-L462C/SIAF DVD-Rom for Sun Server Sl

8GB(2x4GB) Micron MT36HTF51272FDY PC2-6400 Server RAM I

Wohner 6080 Busbar Systems Adapter 80A 690V 81mm Switch

ABB Miniature Circuit Breaker S202-K16 2Pole 16A 230/40

OEM IBM/Lexmark P/N:1299508 210 Correctable Ribbon Cass

Lucent 146G SCL/8 Surge Protector GUM0381-34 407676717

Lucent 146E Dual IROB Protector GUM0570-34 DS/2 RJ-11/4

ABB Miniature Circuit Breaker S202P-K16A 2Pole 16A 2CDS

1GB Kit Kingston KHX3200K2/2G Hiperx DDR-400MHz PC3200

1GB 2x512MB Kit Kingston KVR400X64C3AK2/?1G DDR Dual Cha

Compaq Smart Array Controller 171384 & 171383 4Channel

Bimba 063-DXDE 7/8″ Bore Air Cylinder 063DXDE Stainless

Skynet SBL-4257 Power Supply DC to DC Inverter Symbol P