描述
PLC控制开关量的能力是很强的。所控制的入出点数，少的十几点、几十点，多的可到几百、几千，甚至几万点。由于它能联网，点数几乎不受限制，不管多少点都能控制。
所控制的逻辑问题可以是多种多样的：组合的、时序的；即时的、延时的；不需计数的，需要计数的；固定顺序的，随机工作的；等等，都可进行。
Honeywell/Sundstrand V7059A1139 Servo Valve NOS
NEW LHC Servo Valve 007-23-03A w/13 Month Warranty NIB!
Rexroth 4WRAE 6 W30-22/G24K31/F1V Proportional Valve
NOS Bosch 0811 404 146 Valve NIB 0811404146
Yaskawa SGMS-15ACA-TV11 Servo Motor UTOPH-250WA Encoder
Honeywell Transfer Valve V7058A NEW
Rexroth Proportional Valve 4WREE 6 V16-22/G24K31/FIV
Parker Servo Valve BD15 Rebuilt – 12 Month Warranty
Fanuc A06B0377B575#7075R Servo Motor A06B-0377-B575 New
Pacific Scientific R43SSNA-HS-NS-NV-02 Servo Motor NOS
Moog Servo Proportional Valve 641A212B Rebuilt
Rexroth DREE20-52/315YG24K31M Valve Pressure Reducing
New Star 454-0005 Servo Valve 1 Year Warranty NOS
NEW! Star Servo Valve 454-0006 w/13 Month Warranty NR!
