PTQ-PDPS-PROSOFT-PROFIBUS-DP從網絡接口模塊
價格
訂貨量(個)
¥13500.00
≥2
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PTQ-PDPS PROSOFT PROFIBUS DP從網絡接口模塊
PTQ-PDPS PROSOFT PROFIBUS DP從網絡接口模塊
(六)經濟性的思考
挑選PLC時,應思考性能報價比。思考經濟性時,應一起思考運用的可拓展性、可操作性、投入產出比等要素,進行對比和兼顧,最終選出較滿足的商品。
輸入輸出點數對報價有直接影響。每添加一塊輸入輸出卡件就需添加必定的費用。當點數添加到某一數值后,相應的存儲器容量、機架、母板等也要相應添加,因而,點數的添加對CPU選用、存儲器容量、控制功能規模等挑選都有影響。在預算和選用時應充分思考,使整個控制系統有較合理的性能報價比。
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