描述
所示为定时时间为1h的梯形图及时序图，辅助继电器M1用于定时启停控制，采用两个0.1s定时器T14和T15串级使用。当T14开始定时后，经1800s延时，T14的常开触点闭合，使T15再开始定时，又经1800s的延时，T15的常开触点闭合，Y4线圈接通。从X14接通，到Y4输出，其延时时间为1800s+1800s=3600s=1h。
MOOG 60B103H Servo Valve~Refurbished~13 Month Warranty
Yaskawa CACR-SR30BZ1SSY367 ServoPack~NIB
Vickers SM4-10(7.5)28-80/40-10 Servo Valve New
NEW! Vickers CVU16EFP1B291931 Cartridge Valve ~ NR!
Bosch 0811-404-623 Valve 4WRPEH6C3B12L-2XG24K0/B5M New
Vickers KBFTG4V 5 2B50N Z PC7 H7 10 Proportional Valve
Rexroth Servo Valve 4WSE3EE25-24/315V Rebuilt
Hartmann Controls HT5 Rol-Vane Hydraulic Motor HT50X40Y
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!
Rexroth 2FRE 6B-22/16QZ4MV Valve New 2FRE6B-22 Warranty
