{"title":"Communication","description":"\u003cp\u003eCommunication Modules\u003c\/p\u003e","products":[{"product_id":"siemens-simatic-s7-1200-serial-communication-modules","title":"SIEMENS - SIMATIC S7-1200 - Serial Communication Modules","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThe \u003cstrong\u003eSiemens SIMATIC S7-1200 CM1241 Serial Communication Modules\u003c\/strong\u003e extend compatible SIMATIC S7-1200 PLCs with industrial serial communication interfaces for connecting barcode readers, printers, HMIs, weighing systems, RFID devices, drives, instrumentation and third-party controllers.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe CM1241 family is available with \u003cstrong\u003eRS232\u003c\/strong\u003e and \u003cstrong\u003eRS422\/RS485\u003c\/strong\u003e communication interfaces, providing flexible point-to-point serial connectivity for industrial automation applications. Configuration and diagnostics are fully integrated within Siemens STEP 7 using TIA Portal, allowing reliable communication with both Siemens and third-party serial devices.\u003c\/p\u003e\n\u003cp\u003eThese modules are suitable for OEM machinery, manufacturing, utilities, process automation and industrial communication systems requiring robust serial connectivity.\u003c\/p\u003e","brand":"SIEMENS","offers":[{"title":"CM1241 - RS232 Serial Communication - 6ES7241-1AH32-0XB0","offer_id":49487388803299,"sku":"ID 10500","price":575.82,"currency_code":"NZD","in_stock":true},{"title":"CM1241 - RS422 \/ RS485 Serial Communication - 6ES7241-1CH32-0XB0","offer_id":49487388836067,"sku":"ID 10501","price":320.15,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0751\/5956\/8611\/files\/Screenshot_2026-08-02_at_4.23.48_PM.png?v=1785644990"},{"product_id":"siemens-simatic-s7-1200-profibus-communication-modules","title":"SIEMENS - SIMATIC S7-1200 - PROFIBUS Communication Modules","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThe Siemens SIMATIC S7-1200 \u003cstrong\u003eCM 1242-5 and CM 1243-5 PROFIBUS Communication Modules\u003c\/strong\u003e connect compatible S7-1200 controllers to PROFIBUS DP networks.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eCM 1242-5\u003c\/strong\u003e operates as a PROFIBUS DP slave\/device, allowing an S7-1200 station to exchange cyclic I\/O data with a PROFIBUS DP master. The \u003cstrong\u003eCM 1243-5\u003c\/strong\u003e operates as a PROFIBUS DP master and additionally supports PG\/OP and S7 communication. Both modules support PROFIBUS transmission rates from \u003cstrong\u003e9.6 kbit\/s to 12 Mbit\/s\u003c\/strong\u003e through a 9-pin Sub-D RS485 interface and are configured using Siemens STEP 7 within TIA Portal.\u003c\/p\u003e","brand":"SIEMENS","offers":[{"title":"CM1242-5 - PROFIBUS DP Slave - 6GK7242-5DX30-0XE0","offer_id":49487600746723,"sku":"ID 10502","price":1100.98,"currency_code":"NZD","in_stock":true},{"title":"CM1243-5 - PROFIBUS DP Master - 6GK7243-5DX30-0XE0","offer_id":49487600779491,"sku":"ID 10503","price":1650.98,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0751\/5956\/8611\/files\/Screenshot_2026-08-02_at_4.50.10_PM.png?v=1785646245"},{"product_id":"siemens-simatic-s7-1200-as-interface-communication-modules","title":"SIEMENS - SIMATIC S7-1200 - AS-Interface Communication Modules","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThe Siemens \u003cstrong\u003eSIMATIC S7-1200 CM1243-2 AS-Interface Communication Module\u003c\/strong\u003e extends compatible S7-1200 PLCs with an \u003cstrong\u003eAS-Interface (AS-i) Master\u003c\/strong\u003e according to \u003cstrong\u003eAS-i Specification V3.0\u003c\/strong\u003e. It enables connection and management of AS-i field devices such as sensors, actuators and distributed I\/O over a single AS-i network.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe module integrates directly with the SIMATIC S7-1200 backplane, is configured within \u003cstrong\u003eSTEP 7 using TIA Portal\u003c\/strong\u003e, supports the \u003cstrong\u003eM4 AS-i Master Profile\u003c\/strong\u003e, provides galvanic isolation and is compatible with \u003cstrong\u003eAS-i Power24V\u003c\/strong\u003e installations. It is intended for machine automation, conveyor systems, packaging equipment and distributed industrial I\/O applications. \u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"SIEMENS","offers":[{"title":"CM1243-2 - AS-Interface Master V3.0 - 3RK7243-2AA30-0XB0","offer_id":49487916990691,"sku":"ID 10504","price":2539.95,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0751\/5956\/8611\/files\/Screenshot_2026-08-02_at_5.55.41_PM.png?v=1785650172"},{"product_id":"siemens-simatic-s7-1200-industrial-ethernet-communication-modules","title":"SIEMENS - SIMATIC S7-1200 - Industrial Ethernet Communication Modules","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThe \u003cstrong\u003eSiemens SIMATIC S7-1200 CP1243-1 Industrial Ethernet Communication Processor\u003c\/strong\u003e adds an independent Industrial Ethernet interface to compatible SIMATIC S7-1200 PLCs for secure communication with supervisory systems, remote control centres and industrial Ethernet networks.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe CP1243-1 supports \u003cstrong\u003eDNP3\u003c\/strong\u003e, \u003cstrong\u003eIEC 60870-5\u003c\/strong\u003e, and \u003cstrong\u003eTeleControl Basic\u003c\/strong\u003e protocols while providing integrated \u003cstrong\u003eVPN\u003c\/strong\u003e and \u003cstrong\u003eFirewall\u003c\/strong\u003e functionality for secure remote communication. It is configured entirely within \u003cstrong\u003eSTEP 7 using TIA Portal\u003c\/strong\u003e and is intended for utility automation, water and wastewater, energy, infrastructure and industrial remote telemetry applications.\u003c\/p\u003e","brand":"SIEMENS","offers":[{"title":"CP1243-1 - Industrial Ethernet Communication Processor - 6GK7243-1BX30-0XE0","offer_id":49488385933539,"sku":"ID 10505","price":2125.98,"currency_code":"NZD","in_stock":true},{"title":"CP1243-8 IRC - Industrial Remote Communication Processor - 6GK7243-8RX30-0XE0","offer_id":49488385966307,"sku":"ID 10506","price":2230.55,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0751\/5956\/8611\/files\/MFG_6AG12435DX302XE0_web_640x640_53e72106-d043-44f5-974c-2c518ce91f1a.png?v=1785650427"},{"product_id":"siemens-simatic-s7-1200-cellular-communication-modules","title":"SIEMENS - SIMATIC S7-1200 - Cellular Communication Modules","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThe \u003cstrong\u003eSiemens SIMATIC S7-1200 CP1243-7 LTE Cellular Communication Processors\u003c\/strong\u003e provide secure wireless connectivity between compatible SIMATIC S7-1200 PLCs and remote control centres, SCADA systems and industrial cloud infrastructure over public cellular networks.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe CP1243-7 LTE family is available in \u003cstrong\u003eEuropean\u003c\/strong\u003e and \u003cstrong\u003eAmerican\u003c\/strong\u003e frequency variants while sharing the same hardware platform. Both versions support \u003cstrong\u003eLTE\u003c\/strong\u003e, \u003cstrong\u003eUMTS\u003c\/strong\u003e, \u003cstrong\u003eGSM\u003c\/strong\u003e, \u003cstrong\u003eGPRS\u003c\/strong\u003e, \u003cstrong\u003eSMS\u003c\/strong\u003e, secure \u003cstrong\u003eVPN\u003c\/strong\u003e, firewall protection and TeleControl Basic.\u003c\/p\u003e\n\u003cp\u003eConfigured through Siemens TIA Portal engineering software, SIMATIC S7-1200 cellular communication modules provide a scalable solution for industrial IoT applications, remote diagnostics, and geographically distributed automation systems.\u003c\/p\u003e","brand":"SIEMENS","offers":[{"title":"CP1243-7 LTE - Cellular Communication Processor EU - 6GK7243-7KX30-0XE0","offer_id":49488931029219,"sku":"ID 10507","price":2990.95,"currency_code":"NZD","in_stock":true},{"title":"CP1243-7 LTE - Cellular Communication Processor US - 6GK7243-7SX30-0XE0","offer_id":49488931061987,"sku":"ID 10508","price":2640.99,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0751\/5956\/8611\/files\/Screenshot_2026-08-02_at_6.49.04_PM.png?v=1785653364"},{"product_id":"siemens-simatic-s7-1200-industrial-network-switch-modules","title":"SIEMENS - SIMATIC S7-1200 - Industrial Network Switch Modules","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThe \u003cstrong\u003eSiemens SIMATIC S7-1200 CSM1277 Compact Network Switch\u003c\/strong\u003e expands Industrial Ethernet connectivity by providing four unmanaged Fast Ethernet ports for connecting SIMATIC controllers, HMIs, drives and Industrial Ethernet devices.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eDesigned specifically for industrial automation, the CSM1277 supports \u003cstrong\u003e10\/100 Mbit\/s Fast Ethernet\u003c\/strong\u003e, \u003cstrong\u003eAuto Negotiation\u003c\/strong\u003e, \u003cstrong\u003eAuto MDI\/MDIX\u003c\/strong\u003e, \u003cstrong\u003eStore-and-Forward switching\u003c\/strong\u003e, and IEEE \u003cstrong\u003e802.3x Flow Control\u003c\/strong\u003e. Its unmanaged, plug-and-play operation makes it ideal for machine building, production systems, utilities and industrial control panels requiring reliable Ethernet connectivity without network configuration.\u003c\/p\u003e","brand":"SIEMENS","offers":[{"title":"CSM1277 - Compact Network Switch - 4 RJ45 Ports - 24V DC - 6GK7277-1AA10-0AA0","offer_id":49489534157027,"sku":"ID 10509","price":524.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0751\/5956\/8611\/files\/Subject_10.png?v=1787530350"},{"product_id":"siemens-simatic-s7-1200-io-link-communication-modules","title":"SIEMENS - SIMATIC S7-1200 - IO-Link Communication Modules","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eExpand your Siemens SIMATIC S7-1200 automation system with genuine IO-Link Communication Modules designed for seamless integration of intelligent field devices. The SM1278 IO-Link Master provides four independent IO-Link master ports, enabling reliable communication with smart sensors, actuators, RFID systems, valve manifolds, and distributed I\/O devices over a simple three-wire connection.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eDesigned for Industry 4.0 and smart manufacturing applications, the SM1278 simplifies wiring, reduces installation costs, and provides advanced diagnostics, remote parameterisation, and device identification through Siemens TIA Portal. Supporting both IO-Link and standard digital I\/O operation, the module offers flexible connectivity while maintaining Siemens' industrial reliability and ease of integration.\u003c\/p\u003e","brand":"SIEMENS","offers":[{"title":"SM1278 - IO-Link Master - 4 IO-Link Ports - 24V DC - 6ES7278-4BD32-0XB0","offer_id":49489858822371,"sku":"ID 10510","price":835.8,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0751\/5956\/8611\/files\/Screenshot_2026-08-02_at_7.31.54_PM.png?v=1785655954"},{"product_id":"siemens-simatic-s7-1200-rfid-communication-modules","title":"SIEMENS - SIMATIC S7-1200 - RFID Communication Modules","description":"\u003cp\u003eThe Siemens SIMATIC S7-1200 \u003cstrong\u003eRF120C RFID Communication Module\u003c\/strong\u003e connects one compatible industrial identification reader to a SIMATIC S7-1200 automation system. The module supports both \u003cstrong\u003eRS422 and RS232\u003c\/strong\u003e point-to-point communication through a 9-pin Sub-D reader interface, enabling connection of compatible Siemens RFID, optical identification and serial devices.\u003c\/p\u003e\n\u003cp\u003eThe RF120C supports serial transmission rates up to \u003cstrong\u003e115.2 kbit\/s\u003c\/strong\u003e, with RS422 cable lengths up to \u003cstrong\u003e1,000 metres\u003c\/strong\u003e, depending on the connected reader, and RS232 cable lengths up to \u003cstrong\u003e15 metres\u003c\/strong\u003e. It provides one cyclic data word and up to 240 bytes of acyclic data exchange, galvanic isolation, integrated status indication and controller integration through the SIMATIC S7-1200 backplane bus.\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eTypical applications include production tracking, workpiece identification, material handling, conveyor systems, access control, logistics automation and industrial traceability.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"SIEMENS","offers":[{"title":"RF120C - RFID Communication Module - RS422 \/ RS232 - 24V DC - 6GT2002-0LA00","offer_id":49490043437283,"sku":"ID 10511","price":1270.99,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0751\/5956\/8611\/files\/Subject_12.png?v=1787531580"},{"product_id":"siemens-simatic-s7-1200-communication-boards","title":"SIEMENS - SIMATIC S7-1200 - Communication Boards","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThe \u003cstrong\u003eSiemens SIMATIC S7-1200 CB1241 RS485 Communication Board\u003c\/strong\u003e expands compatible SIMATIC S7-1200 CPUs with an integrated \u003cstrong\u003eRS485 serial communication interface\u003c\/strong\u003e without increasing the PLC installation width. The board installs directly into the communication board slot of supported CPUs, providing a compact solution for integrating serial devices into industrial automation systems.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe CB1241 supports \u003cstrong\u003eModbus RTU Master\u003c\/strong\u003e, \u003cstrong\u003eModbus RTU Slave (Device)\u003c\/strong\u003e, \u003cstrong\u003eUSS protocol\u003c\/strong\u003e and \u003cstrong\u003eFreeport serial communication\u003c\/strong\u003e, making it suitable for communication with variable speed drives, barcode scanners, weighing systems, serial instruments, energy meters and other RS485 devices. Configuration, diagnostics and protocol management are fully integrated within \u003cstrong\u003eSTEP 7 using TIA Portal\u003c\/strong\u003e.\u003c\/p\u003e","brand":"SIEMENS","offers":[{"title":"CB1241 - RS485 Communication Board - 6ES7241-1CH30-1XB0","offer_id":49490588795107,"sku":"ID 10512","price":355.9,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0751\/5956\/8611\/files\/Screenshot_2026-08-02_at_8.02.06_PM.png?v=1785658372"},{"product_id":"siemens-simatic-s7-1500-et-200mp-cm-ptp-serial-communication-modules","title":"SIEMENS - SIMATIC S7-1500 \/ ET 200MP - CM PtP Serial Communication Modules","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eSiemens SIMATIC CM PtP Serial Communication Modules expand SIMATIC S7-1500 and ET 200MP automation systems with point-to-point serial communication interfaces for connecting industrial devices, drives, controllers, measuring equipment, scanners, identification systems and other serial field devices.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe family provides RS-232 and RS-422\/RS-485 interface variants across Basic (BA) and High Feature (HF) performance classes. Depending on the selected variant, supported communication functions include Freeport, 3964(R), USS and Modbus RTU communication, with configurable transmission parameters and receive buffering for flexible integration of standard and application-specific serial devices.\u003c\/p\u003e\n\u003cp\u003eCM PtP modules communicate with the SIMATIC controller through the system backplane and are configured and parameterised using STEP 7 in TIA Portal. Siemens currently lists all four exact MPNs within the ET 200MP communication-module portfolio as well as S7-1500.\u003c\/p\u003e","brand":"SIEMENS","offers":[{"title":"CM PtP RS232 BA - RS-232 Serial Communication Module - 6ES7540-1AD01-0AA0","offer_id":49703441924323,"sku":"ID 01050000","price":1262.99,"currency_code":"NZD","in_stock":true},{"title":"CM PtP RS422\/485 BA - RS-422 \/ RS-485 Serial Communication Module - 6ES7540-1AB01-0AA0","offer_id":49703441957091,"sku":"ID 01050001","price":1685.99,"currency_code":"NZD","in_stock":true},{"title":"CM PtP RS232 HF - RS-232 High-Feature Serial Communication Module - 6ES7541-1AD01-0AB0","offer_id":49703645511907,"sku":"ID 01050002","price":2559.99,"currency_code":"NZD","in_stock":true},{"title":"CM PtP RS422\/485 HF - RS-422 \/ RS-485 High-Feature Serial Communication Module - 6ES7541-1AB01-0AB0","offer_id":49703645544675,"sku":"ID 01050003","price":2590.98,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0751\/5956\/8611\/files\/6ES7540-1AD01-0AA0.png?v=1788834278"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0751\/5956\/8611\/collections\/electrotk-collection-communication-modules.jpg?v=1787817336","url":"https:\/\/www.electrotk.com\/collections\/communication-modules.oembed","provider":"Electrotk","version":"1.0","type":"link"}