主要是各 PLC 所控制设备按 PLC 内的控制程序进行顺序控 制。全轧线的顺序控制是按过程计算机所给出的跟踪信号 进行控制的。跟踪分为宏跟踪和微跟踪，其中微跟踪又分 为初轧区和连轧区微跟踪，分别由1台 90-70PLC实现。
NIB CUTLER HAMMER HT8GBRV7 ILL. RED PUSHBUTTON
NIB CUTLER HAMMER HT8GBGV3 ILL.GREEN PUSHBUTTON
LOT OF 99 PANDUIT CB25-18-C GROUNDING LUG CB25
LICON 65-4012 SWITCH 654012
ABB 1SAF430653 R100 PROX. SENSOR SUD2000-M30N-C1?-POS
LAMINA 0330 02-36-17-5047 MARSH MELLOW SPRING FIRESTONE
x
LOT OF 8 SQUARE D A1.16 OVERLOAD RELAY THERMAL UNIT
SIEMENS 14-183-218-501 74 VDC COIL 1418321850 N-1044
HAWS SP225 VALVE BALL W/FLAG 1/2 X 1/4″ NIB
TELEMECANIUE RM3 JA112FG7 TIMER RELAY
WESTINGHOUSE 2D78556 IQ ENERGY SENTINAL F FRAME
NIB ALLEN BRADLEY 802T-NX172 OIL TIGHT LIMIT SWITCH
NIB LENOX 10′ 10-1/2” X 1 035 14 SL BAND SAW LNX-91232
CONTTEC 3102-110-00 2DDB-01 TILT RECEIVER BOARD
LOT OF 275 9381T51 S HOOKS 3501065
ALLEN BRADLEY 1794-ASB SER. C REV. C01 F/W REV. D POWER
ALLEN BRADLEY 1794-ASB SER. D REV. A01 F/W REV. A POWER
