降壓板 NRED-61D
降壓板 NRED-61D
降壓板 NRED-61D
一、分析控制對(duì)象、確定控制要求
1.對(duì)M1電動(dòng)機(jī)的要求:?jiǎn)畏较蛐D(zhuǎn),有過(guò)載保護(hù);
2.對(duì)M2電動(dòng)機(jī)的要求:全壓正反轉(zhuǎn)控制,點(diǎn)動(dòng)控制;啟動(dòng)時(shí),先啟動(dòng)電動(dòng)機(jī)M3,再啟動(dòng)電動(dòng)機(jī)M2;停機(jī)時(shí),電動(dòng)機(jī)M2先停止,然后電動(dòng)機(jī)M3才能停止。電動(dòng)機(jī)M2設(shè)有必要的互鎖保護(hù);
3.對(duì)電動(dòng)機(jī)M3的要求:全壓正反轉(zhuǎn)控制,設(shè)*過(guò)載保護(hù);
4.電動(dòng)機(jī)M4容量小,由開關(guān)SA控制,單方向運(yùn)轉(zhuǎn);
二、確定I/O點(diǎn)數(shù)
根據(jù)圖1找出PLC控制系統(tǒng)的輸入、輸出信號(hào),共有13個(gè)輸入信號(hào),9個(gè)輸出信號(hào)。
三、繪制I/O端子接線圖
根據(jù)I/O分配結(jié)果,繪制端子接線圖
四、設(shè)計(jì)梯形圖
1.控制主軸電動(dòng)機(jī)M1的梯形圖
梯形圖如圖2所示。
2.控制電動(dòng)機(jī)M2與M3的梯形圖
?、贀u臂升降過(guò)程
?、谥鬏S箱和立柱箱的松開與夾緊控制
ENCODER PRODUCTS INCREMENTAL SHAFT ENCODER 725I-R-OC
DELPHI OXYGEN SENSOR ES10660 NIB
SENSOTEC TJE / 882-18TJD PRECISION GAGE / ABSOLUTE PRESSURE TRANSDUCER, NNB
BANNER FIBER OPTIC CABLE 21297 NIB
TURCK 18MM TEFLON-COATED SENSOR MOUNT NIB QM 18-T / A2546
NAMCO PROXIMITY SWITCH NIB EE510-86040
BANNER SMBPVA16A / 62449 PROTECTIVE BRACKET KIT, NIB
PHD INC. 117V SENSOR / TRANSDUCER 9799-01-0100
TCS TEMPERATURE SENSOR TX1504 NIB
GUARDIAN ACCELEROMETER MOUNTING SYSTEM 7002 NIB
RSF ELEKTRONIK DG 118 ROTARY ENCODER 990002011656
IFM EFECTOR FLOW SENSOR SI8507 NIB
NAMCO 0.5A 20-230V AC/DC 3000 PSI CYLINDICATOR PROXIMITY SENSOR EE230-38720
SCHAEVITZ LINEAR VARIABLE SENSOR 02350531-000 / PCA-116-100 NIB
EMERSON ELECTRIC CHROMALOX 30AMPS 277VAC TEMPATURE CONTROL AR-515P
FOXBORO PLATINUM TEMPATURE DETECTOR PR-13UBS-010 102268
BANNER MULTI-BEAM POWER BLOCK LR41887 NIB
KEYENCE 24 VCD TRANSMITTER SL-C24H-T 101349
ACCU-SORT SYSTEMS INC. LASER SCANNER MODEL-70 70AA
SICK * MSLZ SAFETY LIGHT CURTAIN * MSLZ01-15022C
SICK 18-30VDC LUMINESCENCE SENSOR LUTI-530
FOXBORO 2800 SERIES 316SS ELECT MAGNETIC FLOW TRANSMITTER 2810-SABA-TS
TORK 50-60HZ 1800VA 208-277V PHOTOCONTROL 2104
SICK * 30-FGS SAFETY LIGHT CURTAIN * FGSS 750-23
DELPHI TS10031 TEMPERATURE SENSOR, NIB
DELPHI TS10150 TEMPERATURE SENSOR, NIB
BALLUFF PROXIMITY SENSOR BES 516-209-BO-E-05
JOHNSON CONTROLS 0 TO 70% HUMIDISTAT W43A-14C NIB
MIDDEX ELECTRONIC WKLR 22-90 TOOL CONTROL SYSTEM NIB
IFM EFECTOR IC006 PROXIMITY SWITCH ICE2040-FBOR/NP?T 105074