由于固有诊断功能无法检查并通报”安全仪表化系统”中的隐患，因此这类系统要求定期讲行验证试验以暴露隐患。其中主要的考虑在于现场设备及其与”逻辑解算器”之间的接线，以及那些一般需要进行年检的设备和接线。

TEXAS INSTRUMENTS 5TI-5339 INTERFACE MODULE 5TI5339

FANUC A16B-2200-0660/​04A CONTROL CARD A16B22000660041

LOT OF 39 EMUGE M10-ISo2/6H REK. B HSSE TAPS

ITE SIEMENS EH3B060 CIRCUIT BREAKER

GENERAL ELECTRIC IC660BBS103L GENIUS W/O FS SW BLOCK US

SIEMENS 6ES5-371-0AA51 MEMORY MODULE 6ES5-371-0AA51

HONEYWELL 621-1101RC INPUT MODULE 6211101RC NIB

INGERSOLL RAND E3340 “Q” NUT DRIVER SERVO MOTOR E-3340Q

NIB F/S SQUARE D VC1200NE5 COMPRESSION LUG, AI KIT

MITSUBISHI MELSEC-Q Q06HCPU CPU UNIT MAX 60K STEP 5VDC

OKUMA TELELINE E9919-TXX-001 OP ERATION PANEL MODEL LU1

NIB JOSLYN CLARK 713UPDG-76 PMT PNEUMATIC TIMING RELAY

$599.99
EUCHNER ZSB2A2G05C ENABLING SWITCH

$599.95
STERLCO TEMPERATURE CONTROL S3

$599.95
SOLOMAT MPM 500E TEMPERATURE, HUMIDITY, PRESSUE GAUGE

NIB PARKER TF0170MS030AAAB HYDRAULIC MOTOR GEROTER TF S

NIB WILDEN .50 PUMP 43-1126-WPE POLYPROPYLENE W/ SURGE

PARKER D1BW1DY21 VALVE DIRECTIONAL CONTROL

TRIAD CONTROLS 31-017 REV. 2A PC BOARD 31017 REPAIRED