3500/01
3500/01
PLC控制系統(tǒng)的配置
1.1 工藝流程簡介
鑄管退火爐是一個長54m退火爐，根據(jù)水冷離心球墨鑄鐵管的熱處理工藝，爐體設計為四段，分別為：加熱段、保溫段、速冷段和緩冷段。加熱段和保溫段兩側(cè)爐墻采用低水泥澆注料整體澆注，速冷段和緩冷段兩側(cè)爐墻采用粘土磚砌筑，爐頂全部采用耐火纖維爐襯。退火爐各爐段參數(shù)如圖1所示。
退火爐為熱管入爐，要將其加熱段升溫至960℃，如圖1所示。退火工藝曲線上各點溫度指的是鑄管溫度、而不是爐溫，因此鑄管溫度的測量及控制是至關(guān)重要的，尤其是速冷段末管壁溫度控制要求較嚴。
1.2 PLC系統(tǒng)硬件配置
1、上位機系統(tǒng)配置
主控室上位機1＃：研華工控機610機箱、14槽ISA/PCI母板、300工業(yè)電源，PIV 2.0G/256M/80G/1.44M/50X、TNT64M顯存PCI顯卡，鍵盤、鼠標， 彩顯21’’三星2臺；
主控室上位機2＃：研華工控機PCA－6176 CPU主板、以太網(wǎng)卡D-Link 10/100M；組態(tài)王監(jiān)控軟件6.0版，運行版256點2套；組態(tài)王監(jiān)控軟件6.0版，開發(fā)版512點1套；
2、下位機系統(tǒng)配置
本系統(tǒng)配置為SIEMENS，S7-300PLC，分為電氣系統(tǒng)PLC和儀表系統(tǒng)PLC，兩個PLC系統(tǒng)。系統(tǒng)配置結(jié)構(gòu)如圖2。
?。?）電氣系統(tǒng)PLC：根據(jù)現(xiàn)場電氣控制所需要檢測和控制的點數(shù)，開關(guān)量輸入通道數(shù)86個，開關(guān)量輸出通道數(shù)62個。考慮到留有余量，選用開關(guān)量輸入模塊4塊共有通道128個，其中42個備用通道；開關(guān)輸出量模塊2塊共有通道64個，其中2個通道備用。
?。?）儀表系統(tǒng)PLC：根據(jù)現(xiàn)場儀表數(shù)及流量系統(tǒng)、調(diào)節(jié)閥系統(tǒng)的檢測需要，需要模擬量輸入端口69個，模擬量輸出端口24個?？紤]到留有余量，選擇模擬量輸入模塊9個共72端口，其中3個備用；模擬量輸出模塊3個共24端口。
SQUARE D 20AMP 600V MOLDED CASE CIRCUIT BREAKER FA22020AC
SQUARE D 8A 1-POLE MULTI 9 SUPPLEMENTARY PROTECTOR NIB 24431 / C60
SQUARE D EMECANIQUE KEY OPERATED SELECTOR SWITCH, 9001KS73K5E12 *NEW*
SQUARE D CONTACTOR 110/120 VOLT 50/60 HZ 8502SA012S
SQUARE D CLASS 8536 SER.A 3PH MOTOR STARTER TYPE SC0 3
SQUARE D MERLIN GERIN Multi 9 10A CIRCUIT BREAKER C60 / 24432 *NEW LOT OF 2*
SQUARE D 600VAC 7A 3-POLE CIRCUIT BREAKER FAL3600712M *LOT OF 2*
SQUARE D EMECANIQUE ALTIVAR 28 ADJUSTABLE SPEED DRIVE ATV28HU29N4U *PLASTIC*
SQUARE D PANELBOARD CABLE THROUGH MTX8104, NEW
SQUARE-D * 3-POLE 225A 240VAC CIRCUIT BREAKER * Q2M3225MB
SQUARE D * 9070 SER.B CONTROL TRANSFORMER * S 30021-899-50
SQUARE D CLASS 9001 TYPE KA 3 SER. J FINGER SAFE RELAY 88002
SQUARE D 100AMP SER. 2 MOLDED CASE CIRCUIT BREAKER FAL32100
EMECANIQUE SQUARE D CONTACTOR LC1D12
SQUARE D S30609-503-51 SERIES B4 PROCESSOR,
SQUARE D 3-POLE 15A THERMAL MAGNETIC CIRCUIT BREAKER FAL360151352 *NEW IN BOX*
SIEMENS SIRIUS MOTOR PROTECTOR CIRCUIT BREAKER 3RV1021-1CA10
SQUARE D 600VAC 30A 3-POLE FUSIBLE PULLOUT SWITCH HFP 361, SER. D2 40274-309-01
SQUARE D MG24428 CIRCUIT BREAKER 1P 4A 277 VAC
SQUARE D 70AMP 3 POLE 600VAC 250VDC CIRCUIT BREAKER FAL36070
SQUARE D CIRCUIT BREAKER FY14020B D17X1
SQUARE D 3-150 PSIG PRESSURE SWITCH 9012 GRG-5
SQUARE D 350A 600V 2 POLE POWER DISTRIBUTION BLOCK 9080 LBC263206
SQUARE D FUSIBLE TERMINAL BLOCK 9080 GF6 * LOT OF 4 BOXES*
EMECANIQUE SQUARE D 600V MAX, 63A TERMINAL BLOCK GV1-G09 *LOT OF 4*
SQUARE D 20A SINGLE POLE CIRCUIT BREAKER A1B120
SQUARE D ECB14020G320 PowerLink MOLDED CASE CIRCUIT BREAKER
SQUARE D 240VAC 20A 3 POLE MOLDED CASE CIRCUIT BREAKER FA32020
SQUARE D MOLDED CASE CIRCUIT BREAKER 100AMP FA241000 SERIES 1
SQUARE D LIMIT SWITCH CLASS 9007 SER A C52B2
SQUARE D 20AMP 3 POLE CIRCUIT BREAKER LK-7370
SQUARE D 600V LIMIT SWITCH BODY C054 *NEW*
SQUARE D 3 POLE 40AMP THERMAL MAGNETIC CIRCUIT BREAKER FAP340401212
SQUARE D 9007CO5 SNAP SWITCH, LOT OF 4, IN BOX
SQUARE D 3-POLE 400A MOLDED CASE SWITCH LHL36000M
SQUARE D .500KVA DRY TYPE SINGLE PHASE TRANSFORMER SFB B-4
SQUARE D 575V 30A TYPE 12/3R STARTER MOTOR CONTROL, 8538SCA24V81FF4?T *NEW*
SQUARE D PENDANT STATION SER.A NIB 9001AEQ3398G2 101833
SQUARE D 1P.D.T INTERLOCK KIT CLASS 9999, TYPE R-33, 86822, SER. A *NEW*
SQUARE D OVERLOAD RELAY THERMAL UNIT 1-CC132 *NEW*
SQUARE D 600VAC 15A 2-POLE CIRCUIT BREAKER FAL26015
SQUARE D 200HP, 600A, 600VAC, 4W, 3-PHASE DISCONNECT SWITCH H366N SER. E2
SQUARE D 3 POLE CIRCUIT BREAKER 992330
SQUARE D 225A, 240VAC/48VDC MAX, 4W, 3-PHASE PANELBOARD NQOB8624242M, NEW
