1756-CN2RB | Allen-Bradley | communication module

1756-CN2RB | Allen-Bradley | communication module

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The Allen-Bradley 1756-CN2R is a communication module from the ControlLogix controller platform.

This module features Two (2) ControlNet BNC port that supports 5 Mbps transmission speed and One (1) USB communication port that supports 12Mbps data rate.

This ControlNet module supports redundant ControlNet topology.

Up to 128 Logix connections can be established with this module.

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Description

Technical Specifications for 1756-CN2RB

Manufacturer Rockwell Automation
Brand Allen-Bradley
Part Number/Catalog No. 1756-CN2R
Manufacturer Rockwell Automation
Manufacturer: Rockwell Automation
Series ControlLogix
Part Number/Catalog No.
Brand: Allen-Bradley
Module Type Bridge Module
1756-CN2R Series
Product Description: ControlNet communication module
Maximum Nodes 99
ControlLogix Module Type
Part Number: 1756-CN2R
Maximum Connections 131
ControlNet communication module Location
ControlNet Communication Rate 5 megabits-second
Chassis Backplane Current (5.1 Volts DC)
Communication Port: Two (2) ControlNet; One (1) USB
Configuration Redundant
1300 mA Backplane Current (24 Volts DC)
ControlNet Data Transfer speed: 5 Mbps
Input Current 1300 milliamps at 5.1 Volts DC, 3 milliamps at 24 Volts DC
3 mA Isolation Voltage
USB Data Transfer rate: 12 Mbps
Thermal Dissipation 22.9 BTU per Hour

The Allen-Bradley 1756-CN2R is a ControlLogix communication module that is part of the Logix controller platform. This module is primarily used for establishing connectivity in redundant ControlNet network topology as it features Two (2) BNC ControlNet ports. This module occupies a single sot of the cassis and may be installed to any available slot of standard chassis such as 1756-A4, 1756-A7, 1756-A10, 1756-A13, 1756-A17 and used with standard ControlLogix power supply particularly 1756-PA72/C, 1756-PA75/B, 1756-PB72/C, 1756-PB75/B, 1756-PC75/B, 1756-PH75/B and redundant power supply such as 1756-PA75R, 1756-PB75R, 1756-PSCA2. ControlNet network is a multi-node communication network utilizing a coaxial cable trunk line with nodes connecting at the trunk line using drop cables. This particular module uses 1786-RG6 quad shield RG6 coaxial cable for connection to the network. Up to 5 Mbps transmission speed is supported by the 1756-CN2R. Aside from the dual ControlNet ports, the 1756-CN2R also comes with One (1) USB port that supports a 12 Mbps transmission rate at full speed. This port is mainly used for downloading module configuration, local connection firmware modification using the ControlFlash utility. It cannot be used for data communication purposes. This module is applicable for implementing Distributed I/O topology as it can cover up to 1000 meters per segment which can be easily extended with the use of repeaters as signal boosters for ControlNet segments longer than 1000 meters. It can be also to communicate with Human Machine Interface (HMI) devices and Supervisory Control and Data Acquisition (SCADA) systems. It supports up to 128 Logix connections and a maximum of 131 communication connections.

The 1756-CN2R ControlNet Connections per Communication Module by Allen-Bradley is a communication module attached to a slot on the ControlLogix Chassis that provides a ControlNet Network through the Common Industrial Protocol (CIP) and a peer-to-peer network for enhanced functions. It has a redundant configuration type and communicates at a rate of 5Mbps over a maximum of 99 nodes. The 1756-CN2R has a maximum of 128 Logix communication connections. It has a draw current of 1300mA at 5.1V DC and one of 3mA at 24V DC and it dissipates 6.6W heat at 22.5 BTU/hr. It has 30V DC isolation voltage with basic insulation tested at 500V for a minute between the ControlNet and the system. The 1756-CN2R has double ControlNet BNC, a ControlNet RJ45, and a single USB 1.1 port for connection and communication with other devices. It comes in an open enclosure type and is designated at the T4 IEC temperature code and at the T4A North American Temperature code. The 1756-CN2R operational temperature ranges between 0 and 60 deg. C (32 and 140 deg. F) at 5-95% non-condensing relative humidity, and it has an operational shock rate of 30G and a maximum vibration of 2G at 10-500Hz.

 

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Many brands: The following four system spare parts are examples.

PLC programmable control system spare parts:

Allen-bradley: 1756, 1771, 1785

Siemens: 6ES7 6ES5

Schneider: 140 CPU

GE: IC697 IC698

Motorola: MVME162 MVME137 MVME147

Xycom: XVME

DCS control system spare parts:

DCS distributed control system:

Invensys Foxoboro: FBM01 FBM02 FBM09 FBM10 FBM201 FBM209

Invensys Triconex: 3503E 3664 3721 3625 4351D 3700A

ABB bailey: BRC300 BRC400 BRC410 AC800 IMASI23

Westinghouse Ovation: IC31

Servo control system spare parts:

Kollmorgen: SM71K 6SM27 AKV23F 60WKS 65WKS

Seimens: 6DD1606 6SN1118 6FC5203 6RB2000 6SC6508 6FX2007 6FM2805 6AV6542

Bosh Rexroth: HCS02.1E HMS01.1N HLB01.1C MSK060BMKE118B MSM020B MHD071B

SEW: MDX61B0022 MDS60A0040 MDF60A0015 MDV60A0015 MCH42A0220 MCV40A0075

Spare parts for robot control system:

KUKA: KRC1 KRC2 KRC4 KPS600 KCP2

ABB: 3HAB 3HAA 3HAC DSQC345

FANUC: A02B A03B A04B A05B A06B

Yaskawa: CACR JUSP JZNC JANCD HW

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ABB DO810 3BSE008510R1 ABB XVC768117 3BHB007211R117
ABB DI04 ABB XVC768106 3BHB007211R106
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ABB KP2500 ENTERASYS A4H124-24TX P0973JM
ABB KP3000 SCHUMACHER ATCS-15 1464-0320
METSO D100644 FOXBORO FBM230 P0926GU
YOKOGAWA PW301 GE F650-N-F-L-F-2-G-1-HI-P-6E
ABB PCD232A 3BHE022293R0101 Sartorius MDB-8E
ABB GFD233A 3BHE022294R0103 EMERSON 1C31203G01
ABB GFD233A103 3BHE022294R0103 A-B 1756-RM/A
KONGSBERG RMP201-8 A-B 1756-L63/B
BASLER A404K A-B 1756-CN2R/B
NOVOTRON ND32-5610 ND32-5610VS-101-011-31 A-B 1756-EN2T/B
ABB RER133 A-B 1756-PA72/C
HONEYWELL 05704-A-0144 A-B 1756-A7/B
ABB PPC907BE  3BHE024577R0101 A-B 1756-N2
VMIC VMIVME-3122 KONGSBERG RMP201-8
SCHNEIDER 140CPU65160 HIMA HIMA 4135A
A-B 2098-DSD-030-SE/B Reliance 61C350
KONGSBERG RSER200-4 SAMS0N 45-4
Bentley 330101-00-08-20-12-05 EMERSON 38B5786X092
AB 2094-BM01-S/C Honeywell ASW454
METSO ACN CS ELAU DB-5

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