Specialist electrical and industrial automation store
فارسی

Industrial communication module Allen-Bradley model 1756-CNB

Industrial communication module Allen-Bradley model 1756-CNB,  Part number 1756-CNB

Check the part number and technical specifications before selection; an image alone is not sufficient for matching.

Manufacturer part number
1756-CNB
Manufacturer
Allen-Bradley
ARAN VISION part number
AV-FEED-NKY9SL
Product description
Industrial communication module Allen-Bradley part number 1756-CNB; Lifecycle Status: Discontinued; Repair Options Available: Yes; Communication: ControlNet. Technical specifications, condition and supply feasibility are checked before ordering.
Manufacturer standard lead time
Manufacturer confirmation required

Manufacturer replenishment time; delivery to you is confirmed separately.

Product attributes

Lifecycle Status
Discontinued
Repair Options Available
Yes
Communication
ControlNet
Interface
1 ControlNet BNC
Number Of Channels
1
Conducted RF immunity
10V rms with 1 kHz sine-wave 80% AM from 150 kHz...80 MHz
Connections supported, max
64 maximum
ControlNet cable
1786-RG6 quad shield RG6 coaxial cable
ControlNet port
1 ControlNet BNC
Current draw
970mA @ 5.1V DC, 1.7mA @ 24V DC
EFT/B immunity
±3kV @ 5kHz on ControlNet ports
Emissions
CISPR 11: Class A
Enclosure type rating
None (open-style)
ESD immunity
6 kV contact discharges, 8 kV air discharges
IO link master
false
Isolation voltage
Standard: 30V (continuous), basic insulation type, ControlNet network to, backplane, Redundant: 30V (continuous), basic insulation type, ControlNet A/B to, backplane, and ControlNet A to ControlNet B, USB to backplane and USB to ControlNet, No isolation b
Logix communication connections range
40...48
Module location
Chassis based, any slot
NAP cable
1786-CP
NAP port
1 NAP RJ45
Number of nodes, max
99 nodes
Operating temperature
0 to 60 °C
Power dissipation
5.1 W
Radiated RF immunity
10 V/m with 1 kHz sine-wave 80% AM from 80...2000 MHz, 10 V/m with 200 Hz 50% Pulse 100% AM @ 900 MHz, 10 V/m with 200 Hz 50% Pulse 100% AM @ 1890 MHz, 3 V/m with 1 kHz sine-wave 80% AM from 2000...2700 MHz
Radio standard Bluetooth
false
Radio standard GPRS
false
Radio standard GSM
false
Radio standard UMTS
false
Radio standard Wi-Fi 802.11
false
Redundancy
false
Relative humidity
5...95% noncondensing
Shock
Operating: 30 G, Non operating: 50 G
Slot width
1
Storage temperature
-40 to 85 °C
Supporting protocol for ASI
false
Supporting protocol for AS-Interface Safety at Work
false
Report a product information error
Documents and technical resources
ARAN VISION product sheetView and print specifications
Manufacturer datasheetOpen manufacturer datasheet

Source checked: 2026-09-09

Product questions

Send the part number and your question to support to check compatibility, lead time or specifications.

Additional information and order matching

The revision, condition, delivery time and required documentation must be confirmed before the order is finalised. Export classifications and approvals are provided only where valid evidence is available.

Authenticity and condition

Product authenticity and actual condition, including new condition when offered as new, are checked before final approval and recorded in the quotation.

Matching technical version

The part number, revision, firmware or version is checked against your requirements. Apparently similar products may differ in price because of their version or condition.

Delivery estimate before ordering

Specialist products have a lead time. The valid delivery estimate is stated in the quotation after checking availability and specifications.

Technical code verification

Model, revision and equipment compatibility are checked before final confirmation.

Clear product condition

New, surplus or refurbished condition and warranty terms are stated in the quotation.

Products outside the catalog

If this model is unavailable, send the part number or nameplate photo for custom sourcing.

Related products