Overview
The Allen Bradley 1756‑CN2R is a ControlNet communication bridge module used within the ControlLogix platform. It enables controllers, I/O modules, and other devices to communicate over a redundant ControlNet network.
The module supports dual BNC ports for redundant media, ensuring continuous operation even if one network path fails. In addition, it can handle up to 100 connections, making it suitable for large and complex automation systems.
Valued for its robust communication, redundancy features, and seamless integration with Rockwell Automation Logix controllers, the 1756‑CN2R is widely deployed in industries requiring high availability and deterministic communication.
Technical Data
| Parameter | Specification |
|---|---|
| Model Number | 1756‑CN2R |
| Product Type | ControlNet Communication Bridge Module |
| Dimensions | 14 × 13 × 3.5 cm |
| Weight | 0.25 kg |
Typical Applications
Redundant ControlNet Networks
Provides dual-media communication for high-availability automation systems.
Process Automation
Used in chemical, petrochemical, and refining plants for reliable controller-to-I/O communication.
Power Generation
Ensures deterministic communication in turbine and boiler control systems.
Manufacturing
Applied in automotive, food & beverage, and packaging industries requiring synchronized control.
Critical Infrastructure
Supports redundant communication in mission-critical facilities such as oil & gas pipelines and utilities.
Example:
In a refinery automation system, the 1756‑CN2R ensures continuous communication between controllers and distributed I/O, even if one ControlNet path fails. Its ability to manage up to 100 connections makes it suitable for large-scale automation networks.
FAQ
Q1: What is the primary function of the 1756‑CN2R?
A1: It provides redundant ControlNet communication for ControlLogix systems.
Q2: How many connections can it handle?
A2: It supports up to 100 connections simultaneously.
Q3: What type of ports does it have?
A3: It features two BNC ControlNet ports (A/B) for redundant media.
Q4: Is the module still active?
A4: Yes, it is listed as an Active Mature Product by Rockwell Automation.
Q5: What industries typically use this module?
A5: Energy, petrochemical, manufacturing, and critical infrastructure sectors.
| Brze ponude | Brzo primite cenu i dostupnost od našeg posvećenog tima za korisničku podršku. |
|---|---|
| Isporuka | Dostupna je ubrzana, teretna i međunarodna dostava. |
| Stanje | 100% novo sa originalnim pakovanjem |
| Plaćanje | Prihvatamo American Express, Discover, MasterCard, PayPal i Visa. Naš sajt je zaštićen RapidSSL-om. |
| Luka za isporuku | Šangaj, Sjamenu |
| Garancija | 12 meseci |
| Q: Da li su naše cene konkurentne? |
| A: Da, sarađujemo sa preko 50 zemalja širom sveta. Kao vodeći dobavljač u Kini, nudimo značajne popuste u skladu sa tržišnim trendovima. |
| Q: Koji je garantni rok? |
| A: Svi naši novi i originalni proizvodi dolaze sa standardnom garancijom od jedne godine. |
| Q: Koje metode plaćanja prihvatamo? |
| A: Zahtevamo 100% T/T (telegrafski transfer) uplatu pre slanja. Za artikle sa rokom isporuke, potrebno je unapred uplatiti 30% depozita, a preostalih 70% pre slanja. Ako imate predstavnika u Kini, možete preko njega organizovati RMB transfer. |
| Q: Koje metode isporuke koristimo? |
| A: Pretežno koristimo FedEx, DHL, UPS i BRE za isporuku. Ako imate nalog kod nekog od ovih prevoznika, možete direktno organizovati slanje. Takođe nudimo besplatnu dostavu do špeditera sa sedištem u Kini. |
| Q: Koje je naše vreme isporuke? |
| A: Isporuka obično traje 1-3 dana nakon prijema početne uplate. Za artikle sa rokom isporuke, slanje će se obaviti prema navedenom rasporedu. |
| Q: Kako pakujemo robu? |
| A: Obavezujemo se na bezbedno pakovanje sa višeslojnom zaštitom. Proizvodi se prvo stavljaju u originalne kutije i zapečate etiketama. Zatim se dodaje sloj mehurićaste folije za zaštitu od udara tokom transporta. Na kraju, predmeti se sigurno pakuju u čvrste kutije. |
| Q: Kako kupci mogu da nas kontaktiraju i zatraže ponudu? |
| A: Možete nas kontaktirati putem e-pošte, WhatsApp-a, WeChat-a, Skype-a ili vaše omiljene komunikacione platforme. Obratite nam se sa vašim potrebama, i pružićemo vam brzu, prilagođenu ponudu. |
Nedavno pregledano
Ekspresna dostava
Opsežan inventar
Osiguranje kvaliteta
