LAM 853-049542-173 interface module

Description

Model: 853-049542-173，Due to the large number of goods, only some goods have been uploaded. If you can’t find the goods you want, please consult the seller, and we will serve you wholeheartedly.

RS-422 trunk cable termination (point-to-point or multipoint) greater than 100 feet (30 meters)

LAM 853-049542-173 require termination at each end. Traditionally, you connect resistors to each end of the cable.

This technique matches the cable impedance and prevents signal reflections which could cause

LAM 853-049542-173 data errors. However, this technique has three undesirable side effects.

• When no driver is active on the pair, the resistors pull the two wires together. Noise,

even very low-level noise, can be appear to be data when the wires are in this state.

• When a driver is active on the pair but not sending data, the resistors cause 33 mA of

DC current to flow in the cable. This is an excessive load on the driver.

• When a driver is transmitting data on the cable, the resistors lower the signal level and

LAM 853-049542-173 consequently lower the immunity to noise.

This figure shows a better technique for terminating the cable pair, which is to use an RC

network and pull-up/pull-down resistors. Resistor values must match the characteristic

impedance of the cable. This reduces power consumption and forces the pair to a valid data

state when no driver is active.

LAM 853-049542-173

The following is our [main products]. If you need it, you can send it to help you compare the price!
Main business: world brand PLC, DCS system spare parts module
① Allen-Bradley (USA AB) Series Products
② Schneider series products
③ General Electric Series Products
④ Westinghouse Series Products
⑤ SIEMENS
⑥ Sales ABB Robots FANUC Robots、YASKAWA Robots、KUKA Robots、Mitsubishi Robots、OTC Robots、Panasonic Robots、MOTOMAN Robots。
⑦ Westinghouse: spare parts for OVATION system, WDPF system and MAX0 system.
⑧ Invensys Foxboro: I/A Series system, FBM (field input/output module) sequential control, ladder logic control, accident recall processing, digital-analog conversion, input/output signal processing, data communication and processing, etc. Invensys Triconex: redundant fault-tolerant control system, modern fault-tolerant controller based on triple module redundancy (TMR) structure.
⑨ Siemens (Siemens): Siemens MOORE, Siemens Simatic C1, Siemens CNC system, etc.
⑩ Bosch Rexroth: Indramat, I/O module, PLC controller, drive module, etc.
◆ Motorola: MVME 162, MVME 167, MVME1772, MVME177 and other series.
PLC module, programmable controller, CPU module, IO module, DO module, AI module, DI module, network communication module,
Ethernet module, motion control module, analog input module, analog output module, digital input module, digital output module
Module, redundant module, power supply module, relay output module, relay input module, processor module.
Our advantage is: new and original, with a one-year warranty! All products of the company have been strictly tested. Welcome to inquire and purchase. As long as you are sincere, our company will provide you with a price that is superior to that of the peers and win the order together

Why are the prices of many products of our company more competitive?
(1) Source purchase to reduce the price difference in the intermediate phase
(2) Stable channel and more guaranteed supply
Lead time problem
(1) For the spot products in stock, the de

livery can be arranged on the same day after the contract payment is signed
(2) Order products and deliver according to the quoted delivery date
Xiamen Xiongba adheres to the enterprise philosophy of “improving the value of spare parts supply chain”,
For the simple purchase procedure of spare parts, ensure that they are delivered to the site in a timely manner, and help users reduce the risk of downtime caused by the shortage of spare parts
The emergency spare parts support service is complete, and the user can customize the spare parts. The quality of the spare parts is reliable. All the spare parts provided enjoy a one-year super long warranty
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