SCHNEIDER AS-B840-108 Matrix switch module

1：Type Designation:

SCHNEIDER AS-B840-108 Matrix switch module

   With proper cables and grounding, the EIA-422 interface can communicate up to a distance of about 1000 meters. Since the EIA-422 version of the AS-B840-108 requires four communication lines and two power lines, the dig0 and dig1 lines are not available. The EIA-422 unit does not have the 120S line termination resistor often used to terminate an EIA-422 interface. If you need this resistor, you can install it on the main PC board (for handheld units, remove the back of the case). Figure 4- 5 shows where the resistor is to be soldered in. Do not attempt to remove the PC board from the case!

   With proper cables and good grounding, the EIA-232 AS-B840-108 can communicate up to about 15 meters at its top speed of 9600 baud. The AS-B840-108 does not monitor or control any of the EIA232 modem-control lines (such as RTS and DTS). Handshaking between the host and the AS-B840-108 is done using software XON/XOFF commands. The XON/XOFF operation can be disabled (via software commands or the QDATA file) if you do not wish to have it operate.

2.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.

3：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!

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