The VHSC module counts pulses from encoders (such as Allen-Bradley Bulletin 845H, K, F, P, E and L), pulse generators or mechanical limit switches, proximity switches, etc. and returns either a count or frequency in binary or BCD format. The module’s features include: •4 input channels configurable for encoder mode, counter mode,

2019年12月3日 · Rockwell Automation announces that as of December 03, 2019, the 1771 Combination Module will be discontinued and no longer available for sale. Customers are encouraged to remove references to the affected product (s).

Title: Very High-speed Counter Module Author: Rockwell Automation Keywords: 1771-VHSC Created Date: 4/28/2010 10:13:26 AM

2005年3月22日 · 1771-VHSC for measuring shaft speed/direction? I have an application coming up that will have 2 oil shear brakes on opposite sides of a differential. I need to be able to control a speed...

The 1771-VHSC is a high-speed counter module developed by Allen-Bradley/Rockwell Automation. The 1771-VHSC module has Eight (8) digital outputs isolated in Two (2) groups, Twelve (12) digital inputs (3 per counter) and a 100-microseconds module update period.

One 'turn-on' preset value and one 'turn-off' preset per output. Output Current: 2A per channel sourced out. All outputs can be on simultaneously without derating. Swift delivery to meet urgent needs. Vast stock ensures immediate availability. Genuine, high-quality PLC & DCS parts. Catering to clients worldwide with reliable support. Need help?

With 1771 I/O, you do not need to disconnect wiring to replace a module due to its Removal and Insertion Under Power (RIUP) features. The 1771-VHSC Series A Allen-Bradley Very High Speed Counter Module may still be available for purchase and support from Artisan Technology Group beyond End-Of-Life (EOL) by the manufacturer (OEM).

1771-VHSC属于Allen Bradley PLC-5系列高速计数模块。 特征作用. 用于高速计数和频率测量. 具有多种计数模式和输出类型. 适用于各种工业控制应用. 应用. 包装机械. 印刷机械. 纺织机械. 食品加工机械. 其他需要高速计数和频率测量的场合

Module, Very High Speed Counter, 4 Channel, 8 Points, 5 - 24 Volt DC, 4mA. Also known as: 612598114900, 1771-VHSC.

This release includes information on the Series B version of the 1771-VHSC module. This includes a new Appendix E on the differences between period/rate and continuous/rate modes of operation. This information was not included in the previous version of this publication.