可編程序控制器PLC因其技術指標先進、質量優、環境適應能力強、可靠性好；有完善的輸入輸出功能模塊，系統能靈活處理模擬量、數字量和開關量；而且具有完善的軟件系統，以實現過程檢測、執行、控制、報警以及圖形畫面顯示打印等功能。基于此,選用了OMRON公司CPM2Ａ可編程序控制器實現了無錫海得魯公司的矯直控制系統。

二 矯直機控制系統原理
根據工藝要求、設計的控制原理框圖如下：

FLKM 4X14-PA-MA12/S100
2288464
FLT-Plus CTRL-0.9 lightning current arrester
2818643
IB IL 24 DI 16
2726230
IB IL 24 DO 16
2726272
IB IL 24 L2
2727886
IB IL 24 PWR IN
2726311
2861331
IB ST 24 AO 4/SF/4
2750578
IB ST 24 DI32/2 24VDC
2754927
IB ST 24 DI32/2-MB terminal module
9394759
IB ST 24AI 4/SF/4
2750565
IB STME 24 AI 4/SF
2754383
IB STME 24 AO 4/SF
2754354
IB STME 24 AO4/SF4
2750057
IB STME 24 BDI 16/4 24VDC
2751687
IB STME 24 BDI 8/4 24VDC
2751674
IB STME 24 BDO 16/3-250 24VDC
2751700
IB STME 24 BDO 32/2 24VDC
2751713
IB STME 24 BDO 8/3 24VDC
2751690
IB STME 24 DI 16/4
2754396
IB STME 24 DO 16/3; 24VDC 16DO
2754943
IB STME 24 DO 8/3-2A
2754972
IB STME 24 DO16R/S; 24VDC
2721138
IB STME 24AI 4/SF 4
2750060
IB STME 24DI 32/2
2754985
IB STME 24DIO 8/8/3-2A; 24VDC
2752945
IB STME 24DO 32/2
2754370
IB STME 24PT 100 4/4
2750138
IB STTB 24 BDI 16/4 terminal module
9281956
IB STTB 24 BDO 16/3 terminal module
9281943
IB STTB 24 BDO 8/3 terminal module
9267899
IB STTB 24 DI 16/4 terminal module
9282382
IB STTB 24 DIO 8/8/3-2A terminalblock
9282531
IB STTB 24 DO 16 R/S terminalblock
9304257
IB STTB 24 DO 8/3-2A terminal module
9289068
IB STTB 24AI 4/SF terminalblock
9283129
IB STTB 24AO 4/SF terminalblock
9243826
IB STTB 24DI 32/2 terminalblock
9283103
IB STTB 24DO 32/2 terminalblock
9243868
IB STTB ZF 24 DI 16/4 terminal module
9282793
IB STTB ZF 24 DI32/2 terminal module
9282777
IB STTB ZF 24 DO 16 R/S terminal module
9356920
IB STTB ZF 24 DO 16/3 terminal module
9282751
IB STTB24 BDI 8/4 terminal module
9283239
IBS 24 BK-I/O-T
2759980
IBS 24 BK-T Busterminal
2780797
IBS 24 DI/32
2784421
IBS 24 DO/32
2784052
IBS 24 DO/LC Digital Output
2784667
IBS 24 DO/R
2767215
IBS 24BK/LC2 busterminal 24VDC
2759090
IBS AI 3 Analog Input
2767192
IBS CT 24 IO GT-T
2719470
IBS PBC 10
2784175
IBS PBC 150
2784191
IBS PBC 50
2759430
IBS PC AT-T
2758059
IBS PC AT/I-T
2758062
IBS PC AT/SL/I-T
2725477
IBS PC ISA SC/I-T
2719234
IBS RBC-T
2740148/C01/2
IBS RT 24 DIO 16/16-T
2753601
IBS RT 24 DIO 8/8R-T
2753614
IBS RT 24DI /16-T
2753591
IBS RT 24DI 32-T
2752741
IBS RT 24DO 32-T
2752754
IBS S5 100 CB-T
2753698
IBS S5 100 SL-T 24VDC
2719755
IBS S7 300 DSC-T
2719975
IBS S7 400 DSC /I-T
2719962
IBS SAB 24 DI 8/8
2753517
IBS ST 24 BK LB-T
2753232
IBS ST 24 BKM
2728665
IBS ST 24BK DIO 8/8/3-T 24VDC
2752411
IBS ST 24PT 100 4/4
2752767
IBS STME 24 BK RB-T
2752932
IBS STME 24BK DIO 8/8/3-LK
2751221
IBS STME 24BK DIO 8/8/3-T
2752961
IBS STME 24BK RB-T DIO 8/8/3-LK
2725891
IBS STME 24BK-T
2754367
IBS STTB 24BK DIO 8/8/3-T terminalblock
9282557
IBS STTB 24BK-T terminalblock
9282803
IBS STTB 24PT 100 4/4 terminalblock
9283187
IBS STTB ZF 24 BK LB-T terminal module
9243936
Interbus IBS S5 DAB
2767231
Interbus IBS S5/SL
2784968
Interbus IBS S5/SL-LB
2806943
Interbus IBS ST24 BKM-T 24VDC
2750154
Interbus S5 IBS S5 DAB/I
2767244
Interbus S5 IBS S5 DCB/I-T
2758156
Interbus S5 IBS S5/DCB-T
2806215
Interbus S5 IBS S5/DSC_I-T
2752000
INTERBUS-C IBC 24 DIO/O 24VDC
2787787
INTERBUS-C IBC AI UTH 16 channels 16 Bit
2760636
INTERBUS-C IBC S5/SL
2760267
PHOENIX IB STME 24 AO4/BP +/-10V
2750206
PHOENIX IBS STME 24 BK-LK
2754448
Phoenix INTERBUS Flashcard
2751771
2729389
PHOENIX PLC-RSP-230UC/21
2966537
PHOENIX QUINT-PS-100-240AC/24DC/5
2938581
SAC-4P-M12Y/2X0,3-PUR/M12FS VP
1510722
SUBCON 15/M-SH
2761606
SUBCON 25/M-SH
2761622