General Electric
EPXPNS001-AAAB
GE EPXPNS001-AAAB RSTi-EP PROFINET IRT Network Adapter 2 CU Ports RJ45 Ex II 3 G
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Communication & Network Modules
293 listings · 239 in stock
293 communication & network modules listings from the brands you use, each one photographed. Free shipping to all 50 US states.
Weekly new-arrivals email for Communication & Network Modules
Host Automation
H2-WPLC3-EN
Host Automation Products H2-WPLC3-EN WinPLC Ethernet CPU Module DL205 5VDC 3A
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$1,272.89
Industrial part
PCB872800-00B
Contemporary Controls PCB872800-00B ARCNET Network Interface Card ISA 16-Bit BNC
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$3,919.89
Industrial part
012699/B
012699/B 19P29165 PCMCIA Type II Network Adapter PC Card 3.3V/5V Made in Taiwan
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$9.89
Mitsubishi
QJ71DN91
Mitsubishi QJ71DN91 MELSEC-Q DeviceNet Master/Slave PLC Network Interface Module
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$165.89
SST
DN3-PCI-1-E
SST DN3-PCI-1-E DeviceNet Interface Card V.1.2.6 490-1710 REV 1.2
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$479.89
ABB
CI854AK01
ABB CI854AK01 3BSE030220R1 AC 800M Profibus DP-V1 Interface CI854A Pr:j 55C
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$881.89
Allen-Bradley
1771-ASB/E
Allen-Bradley 1771-ASB/E REV.C05 Remote I/O Adapter Module 96218071 D01 5VDC
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$37.89
SST
5136-SD-ISA
SST Interface Card ISA Bus DH+ Remote I/O Module 5136-SD-ISA Allen Bradley RIO
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$34.89
SST
5136-PBMSLV
SST 5136-PBMSLV Profibus DP Slave Interface Card ISA Bus 490-1197 Made in Canada
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$97.89
Omron
C200H-ASC02
Omron C200H-ASC02 PLC ASCII Unit Communication Module 2 Ports C200H-BAT09 Japan
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$12.89
Allen-Bradley
1771-ASB
Allen-Bradley 1771-ASB Remote I/O Adapter Module Series B
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$18.89
Hima
F8621A
HIMA F8621A Industrial Coprocessor Communication Module 2x D-Sub Serial Ports
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$2,955.89
Allen-Bradley
1770-KF2
Allen-Bradley 1770-KF2 Ser B Rev F Data Highway Communication Interface Module
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$34.89
ABB
NBAA-01
ABB NBAA-01 Building Automation Adapter 3AUA489002B5492 24VDC 3W Drive Option
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$14.89
Intel
668081-004
Intel 668081-004 PRO/100 PCI Network Adapter Card 10/100 Ethernet NIC Server PC
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$15.89
Industrial part
3C900B-TPO
3Com EtherLink XL 3C900B-TPO 03-0147-000 PCI 10Mbps RJ45 Ethernet Network Card
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$9.89
Siemens
TI505
Siemens Simatic TI505 505-9202 Smart Slice Micro-Remote I/O Module 110VAC PLC
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$34.89
Corman
3040-0280
Corman 3040-0280 Rev B CorNet V2.6 ARCNET ISA Network Adapter Card 3260-0160 BNC
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$253.89
Industrial part
IUC-32
PEP Modular Computers IUC-32 MC68360 Single Board Computer Dual Ethernet Card
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$665.89
Siemens
6GK7343-1EX11-0XE0
Siemens 6GK7343-1EX11-0XE0 SIMATIC NET CP 343-1 Industrial Ethernet Module PLC
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$87.89
Industrial part
SB72EX-100CR
Real Time Automation RTA 435NBA ASCII ControlLogix Ethernet Gateway SB72EX-100CR
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$390.89
Allen-Bradley
1756-DNB
Allen-Bradley 1756-DNB Series B DeviceNet Communication Module ControlLogix PLC
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$21.89
Reliance Electric
57404-M
Reliance Electric 57404-M Network Communication Module 57C404 0-57404 Industrial
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$276.89
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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.