在 70 年代,微处理器的出现使 PLC 发生了巨大的变化。美国,日本,德国等一些厂家先后开始采用微处理器作为 PLC 的中央处理单元(CPU)。这样,使 PLC 得功能大大增强。在软件方面,除了保持其原有的逻辑运算、计时、计数等功能以外,还增加了算术运算、数据处理和传送、通讯、自诊断等功能。
GOODYEAR FALCON HTC 14GTR-2520-37 SYNCHRONOUS BELT,
BLUE-WHITE F-40750LN-12 FLOWMETER, 3/4″ NPT, 0-10 GPM (
DANIEL WOODHEAD 4206 SAFEWAY PENDANT, NIB
SUN HYDRAULICS FEL 0KL1-A2 VALVE BLOCK, 3/4″ 1/2″ AND 1
GENERAL ELECTRIC MPB17M0AXQ BALLAST HOUSING, NIB
SMC NAR925-N20 7-120 PSI 2″ NPT PNEUMATIC REGULATOR, NN
CRANE 1?” BRONZE RISING STEM GLOBE VALVE,
CLAROSTAT RV4LAYSA104A, SENSOR CONTROL, 100K, LOT OF 10
PILZ PZE524VDC4S1O / 474910141718 SAFETY MODULE, EXPAND
ABB TA25 DU, THERMAL OVERLOAD RELAY, LOT OF 4, NIB
ALLEN BRADLEY 700-HC14Z24 SERIES C 1/10 HP 120 VAC RELA
WARREN-RUPP 031-040-000, SLEEVE / SPOOL SET, NIB
YASKAWA JANCD-HA03 PCB BOARD
ALLEN BRADLEY 14-45A OVERLOAD RELAY 193-A1J3
MITSUBISHI INPUT UNIT A1SX81-S2
BLACK BOX IC109A-R2 RS-232 — 485/422 CONVERTER PLUS
ALLEN BRADLEY 800H-NX64 SECURITY BUTTON STATION NIB
TOYO-OKI PP-VC2V-FI4A3-A HYDRAULIC PUMP, NEEDS REPAIRED