描述

空調系統(tǒng)的控制主要分為繼電器控制系統(tǒng)、直接數(shù)字式控制（DDC）系統(tǒng)和可<a>編程序控制器（PLC）系統(tǒng)等級幾種。由于故障率高、系統(tǒng)復雜、功耗高等明顯的缺點，繼電器控制系統(tǒng)已逐漸被淘汰。DDC控制系統(tǒng)雖然在智能化方面有了很大的發(fā)展，但由于其本身抗干擾能力差、不易聯(lián)網(wǎng)、信息集成度不高和分級分步式結構的局限性，從而限制了其應用。相反，PLC控制系統(tǒng)以其運行可靠、使用維護方便、抗干擾能力強、適合新型高速<a>網(wǎng)絡</a>結構等顯著的優(yōu)點，在智能建筑中得到了廣泛的應用。為了提高空調系統(tǒng)的經(jīng)濟性、可靠性和可維護性，目前空調系統(tǒng)都傾向于采用先進、實用、可靠的PLC來進行控制[3]。

本文介紹和利時公司永宏PLC在水源熱泵空調控制系統(tǒng)中的成功應用，說明了永宏PLC可以很好地實現(xiàn)中央空調智能化控制，達到減少無效能耗、提高能源利用效率和保護空調設備的目的。

2、空調系統(tǒng)介紹

廈門市某單位的辦公樓采用水源熱泵中央空調系統(tǒng)，總建筑面積8550m2，建筑高度20.5m，其中空調面積約6840m2。地下1層為各種設備房和操作間，地上1層為職工食堂、大廳和會議室，地上2～6層為商業(yè)辦公用房。

室內溫度和相對濕度等技術參數(shù)的設計要求如表1所示。水源熱泵中央空調系統(tǒng)的設計制冷量為860kW，制熱量為950kW。空調的主機系統(tǒng)由四臺壓縮機組成，水源水系統(tǒng)由取水井、滲水井和水處理設備組成。

歐美品牌停產的，常用的“PLC”備品備件

我司產品應用于以下領域：

1,《發(fā)電廠DCS監(jiān)控系統(tǒng)》

2,《智能平鋼化爐系統(tǒng)制造》

3,《PLC可編程輸送控制系統(tǒng)》

4,《DCS集散控制系統(tǒng)》
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5,《智能型消防供水控制系統(tǒng)》

6,《化工廠藥液恒流量計算機控制系統(tǒng)》

7,《電氣控制系統(tǒng)》造紙,印染生產線,變電站綜合自動化控制系列

本特利，英維思，伍德沃德，福克斯波羅、西屋、瑞恩、施耐德莫迪康、ABB、AB、西門子、摩托羅拉、GE發(fā)那科、安川、博世力士樂，ACSO，力士樂等各大品牌的DCS系統(tǒng)配件，機器人系統(tǒng)配件，大型伺服系統(tǒng)備件。

Motorola MBX2000-102 1

Motorola MBX2000-102A 1

Motorola MBX2000-104A 1

Motorola MBX2000DEVKIT 1

Motorola MBX821 1

Motorola MBX821-002B 1

Motorola MBX860-001A 1

Motorola MBX860-001B 1

Motorola MBX860-001C 1

Motorola MBX860-002C 1

Motorola MBX860-004B 1

Motorola MCP750-1222 e-mail

Motorola MCP750-1222A e-mail

Motorola MCP750-1232 e-mail

Motorola MCP750-1232A e-mail

Motorola MCP750-1242 e-mail

Motorola MCP750-1242A e-mail

Motorola MCP750-1252 e-mail

Motorola MCP750-1252A e-mail

Motorola MCP750-1262 e-mail

Motorola MCP750-1262A e-mail

Motorola MCP750HA-1222 e-mail

Motorola MCP750HA-1222A e-mail

Motorola MCP750HA-1232 e-mail

Motorola MCP750HA-1232A e-mail

Motorola MCP750HA-1242 e-mail

Motorola MCP750HA-1242A e-mail

Motorola MCP750HA-1252 e-mail

Motorola MCP750HA-1252A e-mail

Motorola MCP750HA-1262 e-mail

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Motorola MCP750-1322A e-mail

Motorola MCP750-1332 e-mail

Motorola MCP750-1332A e-mail

Motorola MCP750-1342 e-mail

Motorola MCP750-1342A e-mail

Motorola MCP750-1352 e-mail

Motorola MCP750-1352A e-mail

Motorola MCP750-1362 e-mail

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Motorola MCP750HA-1322 e-mail

Motorola MCP750HA-1322A e-mail

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Motorola MCP750HA-1352 e-mail

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Motorola MCPN750-1222 e-mail

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Motorola MCPN750-1232 e-mail

Motorola MCPN750-1232A e-mail

Motorola MCPN750-1242 e-mail

Motorola MCPN750-1242A e-mail

Motorola MCPN750-1252 e-mail

Motorola MCPN750-1252A e-mail

Motorola MCPN750-1262 e-mail

Motorola MCPN750-1262A e-mail

Motorola MCPN750-1322 e-mail

Motorola MCPN750-1322A e-mail

Motorola MCPN750-1332 e-mail

Motorola MCPN750-1332A e-mail

Motorola MCPN750-1342 e-mail

Motorola MCPN750-1342A e-mail

Motorola MCPN750-1352 e-mail

Motorola MCPN750-1352A e-mail

Motorola MCPN750-1362 e-mail

Motorola MCPN750-1362A e-mail

Motorola MCPN750-1422 e-mail

Motorola MCPN750-1422A e-mail

Motorola MCPN750-1432 e-mail

Motorola MCPN750-1432A e-mail

Motorola MCPN750-1442 e-mail

Motorola MCPN750-1442A e-mail

Motorola MCPN750-1452 e-mail

Motorola MCPN750-1452A e-mail

Motorola MCPN750-1462 e-mail

Motorola MCPN750-1462A e-mail

Motorola MCPN765-1271 450MHz 1GB 5

Motorola MCPN765-2241 e-mail

Motorola MCPN765-6171 e-mail

Motorola MEMSD256-K 1

Motorola MM-6260AD-32M 14

Motorola MPMC101 2

Motorola MPMC202 8

Motorola MPMC221 1

Motorola MPMC221 1

Motorola MPMC222 1

Motorola MPMC222 1

Motorola MPMC282-012 e-mail

Motorola MPMC282-012A e-mail

Motorola MPMC301-001 1

Motorola MTX604-004A 1

Motorola MTX604-010A 2

Motorola MTX604-010A Dual 300MHz 3

Motorola MVIP302 18

Motorola MVIP303 3

Motorola MVIP341 5

Motorola MVIP530 2

Motorola MVME025 3

Motorola MVME101 2

Motorola MVME104 1

Motorola MVME105 5

Motorola MVME106 1

Motorola MVME110 5

Motorola MVME110-1 MVME110 20

Motorola MVME117 1

Motorola MVME117-3 1

Motorola MVME117-3F 1

Motorola MVME123 2

Motorola MVME1301 e-mail

Motorola MVME1302 e-mail

Motorola MVME1303 e-mail

Motorola MVME1304 e-mail

Motorola MVME1305 e-mail

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Motorola MVME132DOF MVME132 DOF 2

Motorola MVME132XT 1

Motorola MVME133 1

Motorola MVME133-1 2

Motorola MVME133A-20 2

Motorola MVME133SA-020A MVME133SA MVME133SA-20A 11

Motorola MVME133XT 0

Motorola MVME134 0

Motorola MVME135A 2

Motorola MVME141-1 1

Motorola MVME142-012 3

Motorola MVME142-012A 1

Motorola MVME143 MVME143-2 6

Motorola MVME147 8

Motorola MVME147A 1

Motorola MVME147-010 7

Motorola MVME147-010A 3

Motorola MVME147-011 MVME147-11 23

Motorola MVME147-011A MVME147-11A 6

Motorola MVME147-012 3

Motorola MVME147-012A 1

Motorola MVME147-013 285

Motorola MVME147-013A 35

Motorola MVME147-014 0

Motorola MVME147-022 75

Motorola MVME147-022A 75

Motorola MVME147-1 2

Motorola MVME147S 3

Motorola MVME147S-1 133

Motorola MVME147SA-1 8

Motorola MVME147SB-1 109

Motorola MVME147SB-2 3

Motorola MVME147SC-2 1

Motorola MVME147SRF 2

Motorola”MVME1600-001 MVME1600-011

MVME1604 MVME1603″3

Motorola MVME1600-024 MVME1600-001 1

Motorola MVME162-001 MVME162-01 7

Motorola MVME162-010 5

Motorola MVME162-010A 2

Motorola MVME162-011 MVME162-11 1

Motorola MVME162-011A MVME162-11A 2

Motorola MVME162-012 MVME162-12 5