描述
用PLC实现对系统的控制是非常方便的。这是因为：首先PLC控制逻辑的建立是程序,用程序代替硬件接线。编程序比接线，更改程序比更改接线，当然要方便得多！
其次PLC的硬件是高度集成化的，已集成为种种小型化的模块。而且，这些模块是配套的，已实现了系列化与规格化。种种控制系统所需的模块，PLC厂家多有现货供应，市场上即可购得。所以，硬件系统配置与建造也非常方便。
Sundstrand-Sauer-Danfoss Hydraulic Series 47 Pump HN
Sundstrand-Sauer-Danfoss Hydraulic Series 47 Pump HL
Sundstrand-Sauer-Danfoss Hydraulic Series 47 Pump HC
Sundstrand-Sauer-Danfoss Hydraulic Series 47 Pump HM
Sundstrand-Sauer-Danfoss Hydraulic Series 47 Pump HB
Sundstrand-Sauer-Danfoss Hydraulic Series 47 Pump HA
Sundstrand-Sauer-Danfoss Hydraulic Series 47 Pump HI
305 Sundstrand-Sauer-Danfoss Hydraulic Series 45 Pump
309 Sundstrand-Sauer-Danfoss Hydraulic Series 45 Pump
312 Sundstrand-Sauer-Danfoss Hydraulic Series 45 Pump
307 Sundstrand-Sauer-Danfoss Hydraulic Series 45 Pump
304 Sundstrand-Sauer-Danfoss Hydraulic Series 45 Pump
