描述
存储器内存容量的估算没有固定的公式，许多文献资料中给出了不同公式，大体上都是按数字量I/O点数的10～15倍，加上模拟I/O点数的100倍，以此数为内存的总字数（16位为一个字），另外再按此数的25%考虑余量。该选择包括运算功能、控制功能、通信功能、编程功能、诊断功能和处理速度等特性的选择。
Parker Dyval Servo Valve Model 25 Rebuilt Dynamic
Yuken Servo Valve Model SVD-F11-20-7.5-1104 Rebuilt
Fanuc Servo Amplifier A06B-6058-H011 AC 3.5KW Used NR!
Indramat Servo Motor MDD112D-N-030-N2L-130PA0 Used
Allen Bradley 1391B-ESAA45-AQB Controller Rebuilt Warr
Allen-Bradley 1326AB-A1G-11 Servo + Bayside RA115-005
Rexroth Pilot Valve 4WRGE-1x/210M New
Bosch Proportional Cartridge Valve 0811-402-602 Rebuilt
NEW! Moog Servo Valve 78-101C w/13 Month Warranty NR!
NEW! Moog/Atchley Valve 215A311 w/13 Month Warranty NR!
NEW! Atchley Servo Valve 206-139 w/13 Month Warranty NR
Vickers SM4-20(5.3)20-300/30-10-S46 Servo Assy. 927958
New Dowty 4656 002 00 Servo Valve NOS w/Warranty
Emerson Positioning Servo Drive FX-4120 Rebuilt/Tested
