Axiomatic
E491AP
Axiomatic E491AP DeviceNet Gateway Processor Board Rev 6.0 2x DB9 RS232 Module
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$779.89
Communication & Network Modules
293 listings · 239 in stock
We have 239 listings in Communication & Network Modules in stock right now, and every one is photographed on our own shelves, so you see the exact unit you will receive. You will find parts from Allen-Bradley, Siemens and ABB among others.
More about Communication & Network Modules
Condition mix: 150 used, 67 open box, 20 new surplus and 2 sold for parts or repair. Prices start at $6.89 and go up to $3,919.89. Order by 3 PM CT on a business day (Mon to Fri) and it ships the same day from Princeton, TX, free shipping to all 50 US states. Our 30-day guarantee covers every item here except those sold for parts or repair.
Weekly new-arrivals email for Communication & Network Modules
Edwards
D37215000
Edwards D37215000 Flash Module Pump Network Interface 3/4/5-Pin XLR 2 Glands
In stock
Free shippingShips today by 3 PM CT
$75.89
SMC
EX600
SMC EX600 EtherNet/IP SI Unit Fieldbus Module Dual Ports M12 BUS IN/OUT PCI
Only 1 left
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$146.89
Allen-Bradley
1785-ENET
Allen-Bradley 1785-ENET Ser B PLC-5 Ethernet Interface Module 5VDC 1A 15-Pin AUI
Only 2 left
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$18.89
ABB
INNPM12
ABB INNPM12 Symphony Network Process Module +5V DC 10W Rev A Bailey Infi 90 Rack
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$39.89
Bailey
6644063B1
Bailey 6644063B1 INNIS11 Network Interface Slave Module Symphony DCS 5VDC 1.1A
In stock
Free shippingShips today by 3 PM CT
$22.89
Allen-Bradley
1756-ENBT
Allen-Bradley 1756-ENBT Ser A ControlLogix EtherNet/IP 10/100Mb/s Bridge Module
Only 1 left
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$36.89
Mettler Toledo
DNB00001000
Mettler Toledo DNB00001000 DeviceNet Bridge Module 24VDC 200mA RS232 DB9 DIN
Only 3 left
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$96.89
Allen-Bradley
1756-ENBT
Allen-Bradley 1756-ENBT Ser A ControlLogix EtherNet/IP 10/100 Module 700mA 5.1V
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$20.89
Allen-Bradley
1756-ENBT
Allen-Bradley 1756-ENBT Ser A ControlLogix EtherNet/IP Module 10/100 700mA 60C
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$64.89
Allen-Bradley
1756-CNBR/E
Allen-Bradley 1756-CNBR/E ControlLogix ControlNet Bridge Module 5.1VDC 970mA 60C
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$20.89
ProSoft
MVI56-MNET
ProSoft MVI56-MNET Modbus TCP/IP Module ControlLogix 800mA@5.1V 3mA@24V FW 1.03
Only 1 left
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$959.89
Allen-Bradley
1203-GD1
Allen-Bradley 1203-GD1 Ser A Remote I/O SCANbus Module 120/240VAC 12VDC 60mA
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$22.89
Allen-Bradley
1756-DHRIO
Allen-Bradley 1756-DHRIO Ser C ControlLogix DH+/Remote I/O Module 850mA 5.1VDC
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$42.89
ABB
INNPM12
ABB INNPM12 Bailey Infi 90 Symphony Network Process Module 5V DC 10W Rev H Div 2
Only 2 left
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$489.89
Mitsubishi
A1SJ71QE71N3-T
Mitsubishi A1SJ71QE71N3-T MELSEC QnAS A1S Ethernet Module 10BASE-T RJ45 PLC
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$283.89
ABB
INNPM12
ABB INNPM12 Symphony Infi 90 Network Process Module Rev A 5VDC 10W Cl I Div 2
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$43.89
Turck
FDNL-S1600-T
Turck FDNL-S1600-T F0077 DeviceNet I/O Station 16 PNP Inputs 11-26V IP67 4A M12
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$19.89
Turck
FDN-DN1
Turck 6603596 FDN-DN1 DeviceNet Spanner Module 11-30VDC IP67 4/10/32/128 Bytes
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$14.89
Reliance Electric
57C404C
Reliance Electric 57C404C AutoMax Communications Module Rev 02 9-Pin Network DCS
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$34.89
Interlink BT
FDN-DN1
Interlink BT FDN-DN1 DeviceNet Spanner Module 11-30VDC IP67 PLC Bridge 128 Bytes
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$50.89
Allen-Bradley
1756-DNB/A
Allen-Bradley 1756-DNB Ser A ControlLogix DeviceNet Module 24VDC 90mA 600mA@5.1V
Only 2 left
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$30.89
ProSoft
MVI56-GSC
ProSoft Technology MVI56-GSC ASCII Comm Module ControlLogix 5.1VDC 800mA 2 Port
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$120.89
Industrial part
IC200DBI001
IC200DBI001 Rev CA VersaMax DeviceNet Network Interface Unit Class 1 Div 2 T4A
Only 1 left
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$268.89
Siemens
6ES7241-1AH32-0XB0
Siemens 6ES7241-1AH32-0XB0 Communication Module, New
Available
Free shippingShips in 3 to 5 business days
$248.89
SMC
EX600-SEN1
SMC EX600-SEN1 Communication Module, New
Available
Free shippingShips in 3 to 5 business days
$848.89
Mitsubishi
A1SJ71UC24-R2
Mitsubishi A1SJ71UC24-R2 PLC Module, New
Available
Free shippingShips in 3 to 5 business days
$210.89
Mitsubishi
A1SJ71QE71N3-T
Mitsubishi A1SJ71QE71N3-T Communication Module, New
Available
Free shippingShips in 3 to 5 business days
$2,653.89
Allen-Bradley
1756-CNBR/E
Allen-Bradley 1756-CNBR/E Communication Module, New
Available
Free shippingShips in 3 to 5 business days
$287.89
Allen-Bradley
1203-GD1
Allen-Bradley 1203-GD1 Communication Module, New
Available
Free shippingShips in 3 to 5 business days
$152.89
Allen-Bradley
1794-AENT
Allen-Bradley 1794-AENT Communication Module, New
Available
Free shippingShips in 3 to 5 business days
$966.89
Allen-Bradley
20-COMM-C
Allen-Bradley 20-COMM-C Communication Module, New
Available
Free shippingShips in 3 to 5 business days
$215.89
Verifone
MX900-02
Verifone MX900-02 Communication Module, New
Available
Free shippingShips in 3 to 5 business days
$47.89
Allen-Bradley
1756-DNB/A
Allen-Bradley 1756-DNB/A Communication Module, New
Available
Free shippingShips in 3 to 5 business days
$242.89
Allen-Bradley
1775-KA
Allen-Bradley 1775-KA Communication Module, New
Available
Free shippingShips in 3 to 5 business days
$445.89
Reliance Electric
57C404C
Reliance Electric 57C404C Communication Module, New
Available
Free shippingShips in 3 to 5 business days
$6,274.89
Get a quote on Communication & Network Modules
Need more units than we list, a part you don't see here, or prices for a whole list? Send us the part numbers and quantities and we reply within 1 hour during business hours (Mon to Fri 9 to 4:30 CT).
Guides for Communication & Network Modules
- Parts identificationHow to Read an Allen-Bradley Catalog Number & SeriesBulletin numbers, module codes, suffixes, the series letter and firmware revision, and how each one affects whether a replacement will work.
- DrivesPowerFlex 525 vs PowerFlex 40: Replacing a 22B DriveFootprint, terminals, parameters, EtherNet/IP and Safe Torque Off: how to migrate from a PowerFlex 40 to a 525, and when not to.
Troubleshooting guides
- Troubleshooting1756-EN2T / ENBT Ethernet Module Faults: LEDs & CodesThe status display messages, OK/NET/LINK LEDs, duplicate IP rules, rotary switches and 888, Logix connection codes and the diagnostic web pages (CPU, duplex, errors).
- TroubleshootingPLC Lost Communication: EtherNet/IP, DH+ and DeviceNet1756 EtherNet/IP OK, NET and LINK LEDs and duplicate IP, 16#0203 vs 16#0204, DH+ node addresses and terminators, DeviceNet scanner codes, 121-ohm terminators and bus-off.
- TroubleshootingControlLogix & CompactLogix Major Fault Codes ExplainedMajor fault types and codes (T01 power-up to T07 memory), where to read them in Studio 5000, minor vs major vs I/O faults, the first checks and clearing a fault safely.
- TroubleshootingSiemens S7-300/S7-400 SF & BF LEDs and Diagnostic BufferSF vs BF (and INTF, EXTF, BUSxF on the S7-400), steady vs flashing, reading the diagnostic buffer in STEP 7, and the first checks for modules, PROFIBUS, PROFINET and backup batteries.
Communication & Network Modules: common questions
Do you have Communication & Network Modules in stock?
Yes. 239 Communication & Network Modules listings are in stock right now, priced from $6.89 to $3,919.89. Every one is photographed, and all of them are listed on this page.
Which brands of Communication & Network Modules do you carry?
Mostly Allen-Bradley, Siemens and ABB, plus 72 more brands. The Brand filter on this page narrows the list to one maker.
Do in-stock items in Communication & Network Modules ship the same day?
Yes, when you order by 3 PM CT on a business day (Mon to Fri): in-stock items ship the same day from Princeton, TX, with free shipping to all 50 US states.
Can I request a part you don't list in Communication & Network Modules?
Yes. Request a quote with the part number and we check our warehouse and our sourcing network. We answer within 1 hour during business hours (Mon to Fri 9 to 4:30 CT).