5SHY3545L0010/3BHB013088R0001半导体备件

为监控PLC运行程序是否正常，PLC系统都设置了“看门狗“（Watchingdog）监控程序。运行用户程序开始时，先清“看门狗“定时器，并开始计时。当用户程序一个循环运行完了，则查看定时器的计时值。若超时（一般不超过100ms），则报警。严重超时，还可使PLC停止工作。用户可依报警信号采取相应的应急措施。定时器的计时值若不超时，则重复起始的过程，PLC将正常工作。显然，有了这个“看门狗“监控程序，可保证PLC用户程序的正常运行，可避免出现“死循环“而影响其工作的可靠性。

You take a small step to make an inquiry, and I also take a giant step to your success.

You only look at our prices but don’t see our quality. Others have other people’s gao imitations. We have original and genuine products. Our products and services can support a team and company. In the current market, there are too many dazzling products. , Only the real quality is the magic weapon to win, quality equals trust, trust equals wealth, and having your trust is my greatest wealth. Please don’t hesitate any longer, don’t get lost any more, call now!

Wu Jiedong 15340683922+Micro X

I only want to have one person to inquire and cooperate for a long time

I don’t want you to…

Chia Tai promises:
1. Guaranteed brand new imported
2. Guarantee on-time delivery
3. Guarantee the quality of after-sales service

—————– Quick Buy Line —————————–
Shanxi Runsheng Recipe
Staples: AB, Schneider and GE ABB Bentley Invensys Dark Horse
Four dishes and one soup: AB 1769, 1756, 1747, 1785,
ABB DCS.OCS, GE gas turbine spare parts IS200 IS215 DS215, Bentley 3500 series!
After-dinner fruits: Shanxi Runsheng Import and Export

—————– Shanxi Runsheng ——————-

Why are the prices of many of my company’s products more competitive?
(1) Source procurement to reduce the price difference in intermediate links
(2) The channel is stable and the supply of goods is more secure

Delivery time
(1) Stock products in stock, after signing the contract and payment, the delivery can be arranged on the same day
(2) Order products and deliver according to the quotation and delivery time