RKC REX-B871/NN-CS1B Digital module

1：Type Designation:

RKC REX-B871/NN-CS1B Digital module

An example response to REX-B871/NN-CS1B is as shown in the table below. The data is packed one bit for each coil. The response includes the slave address, function code, quantity of data characters, the data characters, and error checking. Data is packed with one bit for each coil (1 = ON, 0 = OFF). The low order bit of the first character contains the addressed coil, and the remainder follows. For coil quantities that are not even multiples of eight, the last characters are filled in with zeros at high order end. The quantity of data characters is always specified as quantity of RTU characters, that is, the number is the same whether RTU or ASCII is used. Because the slave interface device is serviced at the end of a controller's scan, data reflects coil status at the end of the scan. Some slaves limit the quantity of coils provided each scan; thus, for large coil quantities, multiple PC transactions must be made using coil status from sequential scans.

2：Superior products

-ABB Accuray

--ABB Advant OCS

--ABB Advant-800xA

--ABB H&B Contrans T

--ABB H&B Freelance 2000

--Allen Bradley PLC

--GE Ran card machine accessories,PLC

--ICS Triplex Rockwell T8151B/T8461/T8310

--Triconex/Foxboro:3625/3721/3503E/FBM237/FBM242

--Emerson:CE3008/VE3008/SE3008/A6120/A6312

--Motorola:MCP750/MVME162/MVME2604/MVME5100

--Woodward:9907-164/9907-167/9905-144/9905-018

The company is mainly engaged in above brands. You are welcome to inquire from me via email!

3.Common problem

We have this product in stock, and we can deliver it to you at any time when you need it badly.

*The warranty period of all products is 1 year, which has passed the professional test certification.

*If you need to order more than one product, please contact us, and we can offer you a discount.

*We only use HDL  UPS  and other express delivery methods to deliver spare parts.

*If you find that other suppliers offer lower prices for the same products, we are also willing to offer you further discounts based on their prices.

If you have any other questions, please feel free to contact us via email.

*Please let us know if you need any spare parts, we can give you further assistance, and we are waiting for your inquiry.

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