{"title":"Siemens S7-300 Series","description":"\u003cp\u003eThe \u003cstrong data-start=\"4\" data-end=\"30\"\u003eSiemens SIMATIC S7-300\u003c\/strong\u003e series is a modular, mid-range PLC platform trusted for its reliability and flexibility in industrial automation. Designed for scalable control across manufacturing, packaging, and process applications, it supports PROFIBUS, PROFINET, and Industrial Ethernet communication. Even as newer systems like the S7-1200 and S7-1500 take the spotlight, the S7-300 remains a proven solution for maintaining legacy systems and ensuring long-term plant performance.\u003c\/p\u003e","products":[{"product_id":"6es7314-6ch04-0ab0","title":"Siemens 6ES7314-6CH04-0AB0","description":"\u003cul\u003e\n\u003cli\u003eCOMPACT CPU\u003c\/li\u003e\n\u003cli\u003e500 MA\u003c\/li\u003e\n\u003cli\u003e24VDC\u003c\/li\u003e\n\u003cli\u003e4 ANALOGUE-24 DIGITAL INPUTS\u003c\/li\u003e\n\u003cli\u003e2 ANALOGUE-16 DIGITAL OUTPUTS\u003c\/li\u003e\n\u003cli\u003e192KB\u003c\/li\u003e\n\u003cli\u003e120X125X130MM\u003c\/li\u003e\n\u003cli\u003eDIN RAIL\u003c\/li\u003e\n\u003cli\u003eMPI INTERFACE\u003c\/li\u003e\n\u003cli\u003eREPLACES 6ES7314-6CF00-0AB0 AND 6ES7314-6CF02-0AB0\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Siemens","offers":[{"title":"New","offer_id":44242280677612,"sku":"6ES7314-6CH04-0AB0-FS","price":1100.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0217\/1112\/6600\/files\/siemens-6es7314-6ch04-0ab0-new-369.jpg?v=1768142535"},{"product_id":"6es7314-6cg03-0ab0","title":"Siemens 6ES7314-6CG03-0AB0","description":"\u003cp\u003e\u003cspan\u003eSIMATIC S7-300, CPU 314C-2 DP Compact CPU with MPI, 24 DI\/16 DO, 4 AI, 2 AO, 1 Pt100, 4 high-speed counters (60 kHz), integrated DP interface, Integr. power supply 24 V DC, Work memory 96 KB, Front connector (2x 40-pole) and Micro Memory Card required\u003c\/span\u003e\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"New","offer_id":36509392502949,"sku":"6ES7314-6CG03-0AB0-FS","price":594.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0217\/1112\/6600\/files\/siemens-6es7314-6cg03-0ab0-new-955.jpg?v=1768533671"},{"product_id":"6es7314-6cg03-0ab0-1","title":"Siemens 6ES7361-3CA01-0AA0","description":"\u003cspan data-mce-fragment=\"1\"\u003eSIMATIC S7-300, Connection IM 361 in expansion rack for connection to central rack (IM360), supply voltage 24 V DC, with C-bus\u003c\/span\u003e","brand":"Siemens","offers":[{"title":"New","offer_id":44242279629036,"sku":"6ES7361-3CA01-0AA0-FS","price":235.0,"currency_code":"USD","in_stock":true},{"title":"IAC Certified Refurbished","offer_id":47321101533420,"sku":"6ES7361-3CA01-0AA0-R","price":125.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0217\/1112\/6600\/files\/siemens-6es7361-3ca01-0aa0-new-721.jpg?v=1768534279"},{"product_id":"6es7322-1bl00-0aa0","title":"Siemens 6ES7322-1BL00-0AA0","description":"\u003ch3 data-start=\"194\" data-end=\"207\"\u003eKey Specs\u003c\/h3\u003e\n\u003cul data-start=\"208\" data-end=\"430\"\u003e\n\u003cli data-start=\"208\" data-end=\"257\"\u003e\n\u003cp data-start=\"210\" data-end=\"257\"\u003eProduct Type: Digital Output Expansion Module\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"258\" data-end=\"291\"\u003e\n\u003cp data-start=\"260\" data-end=\"291\"\u003eSeries: SIMATIC S7-300 SM 322\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"292\" data-end=\"317\"\u003e\n\u003cp data-start=\"294\" data-end=\"317\"\u003eNumber of Outputs: 32\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"318\" data-end=\"345\"\u003e\n\u003cp data-start=\"320\" data-end=\"345\"\u003eOutput Voltage: 24 V DC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"346\" data-end=\"389\"\u003e\n\u003cp data-start=\"348\" data-end=\"389\"\u003eRated Output Current: 0.5 A per channel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"390\" data-end=\"430\"\u003e\n\u003cp data-start=\"392\" data-end=\"430\"\u003eOutput Isolation: Optically isolated\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"432\" data-end=\"752\"\u003eSiemens 6ES7322-1BL00-0AA0 is a SIMATIC S7-300 SM 322 digital output \u003cstrong data-start=\"501\" data-end=\"521\"\u003eexpansion module\u003c\/strong\u003e designed for reliable switching of DC loads in industrial automation systems. It provides 32 optically isolated outputs operating at 24 V DC, making it suitable for controlling relays, solenoids, contactors, and indicator devices.\u003c\/p\u003e\n\u003cp data-start=\"754\" data-end=\"1010\"\u003eThe module connects using a 40-pin front connector and integrates directly into SIMATIC S7-300 PLC racks. It is commonly used in existing control systems where dependable output expansion or direct replacement of legacy digital output hardware is required.\u003c\/p\u003e\n\u003ch3 data-start=\"1012\" data-end=\"1020\"\u003eFAQs\u003c\/h3\u003e\n\u003cp data-start=\"1022\" data-end=\"1256\"\u003e\u003cstrong data-start=\"1022\" data-end=\"1074\"\u003eWhat is the Siemens 6ES7322-1BL00-0AA0 used for?\u003c\/strong\u003e\u003cbr data-start=\"1074\" data-end=\"1077\"\u003eIt is used to expand digital output capacity in SIMATIC S7-300 PLC systems, providing 24 V DC signals to field devices such as relays, solenoids, contactors, and indicator lights.\u003c\/p\u003e\n\u003cp data-start=\"1258\" data-end=\"1418\"\u003e\u003cstrong data-start=\"1258\" data-end=\"1301\"\u003eHow many outputs does this module have?\u003c\/strong\u003e\u003cbr data-start=\"1301\" data-end=\"1304\"\u003eThe module provides 32 digital outputs, each optically isolated for improved noise immunity and system protection.\u003c\/p\u003e\n\u003cp data-start=\"1420\" data-end=\"1561\"\u003e\u003cstrong data-start=\"1420\" data-end=\"1460\"\u003eWhat supply voltage does it require?\u003c\/strong\u003e\u003cbr data-start=\"1460\" data-end=\"1463\"\u003eThe load voltage L+ is rated at 24 V DC, with an allowable operating range of 20.4 V to 28.8 V DC.\u003c\/p\u003e\n\u003cp data-start=\"1563\" data-end=\"1709\"\u003e\u003cstrong data-start=\"1563\" data-end=\"1595\"\u003eWhat are the current limits?\u003c\/strong\u003e\u003cbr data-start=\"1595\" data-end=\"1598\"\u003eEach output is rated at 0.5 A. Maximum current is 4 A per output group and up to 16 A across the entire module.\u003c\/p\u003e\n\u003cp data-start=\"1711\" data-end=\"1967\"\u003e\u003cstrong data-start=\"1711\" data-end=\"1747\"\u003eIs this product still available?\u003c\/strong\u003e\u003cbr data-start=\"1747\" data-end=\"1750\"\u003eThis product has been discontinued and is no longer supported by the manufacturer. It remains widely used in existing SIMATIC S7-300 systems and is available for replacement and maintenance through existing inventory.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"New","offer_id":44242279596268,"sku":"6ES7322-1BL00-0AA0-FS","price":690.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0217\/1112\/6600\/files\/siemens-6es7322-1bl00-0aa0-new-960.jpg?v=1768534284"},{"product_id":"6es7322-5hd01-ab0","title":"Siemens 6ES7332-5HD01-0AB0","description":"\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e6ES73325HD010AB0\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eANALOG OUTPUT MODULE SM 332\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e4 POINT\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eANALOG\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e12 BIT\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e20 PIN\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e4 OUTPUT CHANNELS\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eRESOLUTION 12 BITS\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003ePROGRAMMABLE DIAGNOSTICS\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Siemens","offers":[{"title":"New Open Box","offer_id":37939397066917,"sku":"6ES7332-5HD01-0AB0-NSO","price":171.0,"currency_code":"USD","in_stock":false},{"title":"New","offer_id":43313226055916,"sku":"6ES7332-5HD01-0AB0-FS","price":508.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0217\/1112\/6600\/files\/siemens-6es7332-5hd01-0ab0-691.jpg?v=1768534315"},{"product_id":"siemens-6es7321-1bh02-0aa0","title":"Siemens 6ES7321-1BH02-0AA0","description":"\u003cp\u003eSIMATIC S7-300, Digital input SM 321, isolated, 16 DI, 24 V DC, 1x 20-pole\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"New","offer_id":44242277269740,"sku":"6ES7321-1BH02-0AA0-FS","price":415.0,"currency_code":"USD","in_stock":true},{"title":"IAC Certified Refurbished","offer_id":45968551510252,"sku":"6ES7321-1BH02-0AA0-R","price":75.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0217\/1112\/6600\/files\/siemens-6es7321-1bh02-0aa0-new-982.jpg?v=1768535021"},{"product_id":"siemens-6es7322-1bh01-0aa0","title":"Siemens 6ES7322-1BH01-0AA0","description":"\u003cp\u003eSIMATIC S7-300, Digital output SM 322, isolated, 16 DO, 24 V DC, 0.5A, 1x 20-pole, Total current 4 A\/group (8 A\/module)\u003c\/p\u003e\n\u003cp data-start=\"7932\" data-end=\"8034\"\u003e\u003cstrong data-start=\"7932\" data-end=\"7968\"\u003eWhat type of I O module is this?\u003c\/strong\u003e\u003cbr data-start=\"7968\" data-end=\"7971\"\u003eThis is a digital output module for Siemens S7-300 PLC systems.\u003c\/p\u003e\n\u003cp data-start=\"8036\" data-end=\"8154\"\u003e\u003cstrong data-start=\"8036\" data-end=\"8082\"\u003eHow many outputs does this module provide?\u003c\/strong\u003e\u003cbr data-start=\"8082\" data-end=\"8085\"\u003eIt provides 16 digital output channels for controlling field devices.\u003c\/p\u003e\n\u003cp data-start=\"8156\" data-end=\"8257\"\u003e\u003cstrong data-start=\"8156\" data-end=\"8205\"\u003eWhat voltage level do the outputs operate at?\u003c\/strong\u003e\u003cbr data-start=\"8205\" data-end=\"8208\"\u003eThe outputs are designed for 24 VDC applications.\u003c\/p\u003e\n\u003cp data-start=\"8259\" data-end=\"8383\"\u003e\u003cstrong data-start=\"8259\" data-end=\"8318\"\u003eDoes this module require an external load power supply?\u003c\/strong\u003e\u003cbr data-start=\"8318\" data-end=\"8321\"\u003eYes, an external power supply is required for the output load.\u003c\/p\u003e\n\u003cp data-start=\"8385\" data-end=\"8517\"\u003e\u003cstrong data-start=\"8385\" data-end=\"8444\"\u003eIs this module suitable for general industrial control?\u003c\/strong\u003e\u003cbr data-start=\"8444\" data-end=\"8447\"\u003eYes, it is commonly used for relays, solenoids, and indicator control.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"New","offer_id":44242277236972,"sku":"6ES7322-1BH01-0AA0-FS","price":468.0,"currency_code":"USD","in_stock":true},{"title":"IAC Certified Refurbished","offer_id":45968569336044,"sku":"6ES7322-1BH01-0AA0-R","price":97.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0217\/1112\/6600\/files\/siemens-6es7322-1bh01-0aa0-new-905.jpg?v=1768535056"},{"product_id":"siemens-6es7332-5hf00-0ab0","title":"Siemens 6ES7332-5HF00-0AB0","description":"\u003cp\u003eSIMATIC S7-300, Analog output SM 332, isolated, 8 AO, U\/I; diagnostics; resolution 11\/12 bits, 40-pole, removing and inserting possible with active backplane bus\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-start=\"5313\" data-end=\"5411\"\u003e\u003cstrong data-start=\"5313\" data-end=\"5345\"\u003eWhat type of module is this?\u003c\/strong\u003e\u003cbr data-start=\"5345\" data-end=\"5348\"\u003eThis is an analog output module for Siemens S7-300 PLC systems.\u003c\/p\u003e\n\u003cp data-start=\"5413\" data-end=\"5543\"\u003e\u003cstrong data-start=\"5413\" data-end=\"5454\"\u003eWhat signals does this module output?\u003c\/strong\u003e\u003cbr data-start=\"5454\" data-end=\"5457\"\u003eIt outputs analog signals such as voltage or current for controlling external devices.\u003c\/p\u003e\n\u003cp data-start=\"5545\" data-end=\"5676\"\u003e\u003cstrong data-start=\"5545\" data-end=\"5588\"\u003eHow many output channels are available?\u003c\/strong\u003e\u003cbr data-start=\"5588\" data-end=\"5591\"\u003eThe module provides multiple analog output channels for precise control applications.\u003c\/p\u003e\n\u003cp data-start=\"5678\" data-end=\"5788\"\u003e\u003cstrong data-start=\"5678\" data-end=\"5725\"\u003eIs this module compatible with S7-300 CPUs?\u003c\/strong\u003e\u003cbr data-start=\"5725\" data-end=\"5728\"\u003eYes, it is designed specifically for Siemens S7-300 systems.\u003c\/p\u003e\n\u003cp data-start=\"5790\" data-end=\"5934\"\u003e\u003cstrong data-start=\"5790\" data-end=\"5849\"\u003eDoes this module require configuration in PLC software?\u003c\/strong\u003e\u003cbr data-start=\"5849\" data-end=\"5852\"\u003eYes, output parameters must be configured within Siemens PLC programming software.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"New","offer_id":44242276385004,"sku":"6ES7332-5HF00-0AB0-FS","price":836.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0217\/1112\/6600\/files\/siemens-6es7332-5hf00-0ab0-new-693.jpg?v=1768535255"},{"product_id":"siemens-6es7331-7pf11-0ab0","title":"Siemens 6ES7331-7PF11-0AB0","description":"\u003cp\u003eSIMATIC S7-300, Analog input SM 331, isolated, 8 AI thermocouples Type B, E, J, K, L, N, R, S, T TXK\/TXK (L) according to GOST 16 bit, 50ms, 1x 40-pole\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"New","offer_id":44242276286700,"sku":"6ES7331-7PF11-0AB0-FS","price":662.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0217\/1112\/6600\/files\/siemens-6es7331-7pf11-0ab0-new-799.jpg?v=1768535341"},{"product_id":"siemens-6es7331-7kf02-0ab0","title":"Siemens 6ES7331-7KF02-0AB0","description":"\u003cp\u003eSIMATIC S7-300, Analog input SM 331, isolated, 8 AI, Resolution 9\/12\/14 bits, U\/I\/thermocouple\/resistor, alarm, diagnostics, 1x 20-pole Removing\/inserting with active backplane bus\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-start=\"6693\" data-end=\"6880\"\u003e\u003cstrong data-start=\"6693\" data-end=\"6736\"\u003eWhat is the Siemens 6ES7331-7KF02-0AB0?\u003c\/strong\u003e\u003cbr data-start=\"6736\" data-end=\"6739\"\u003eThis is a SIMATIC S7-300 SM 331 analog input module with 8 isolated inputs supporting voltage, current, thermocouple, and resistance signals.\u003c\/p\u003e\n\u003cp data-start=\"6882\" data-end=\"6993\"\u003e\u003cstrong data-start=\"6882\" data-end=\"6918\"\u003eWhat supply voltage is required?\u003c\/strong\u003e\u003cbr data-start=\"6918\" data-end=\"6921\"\u003eThe module uses a 24 V DC load voltage with reverse polarity protection.\u003c\/p\u003e\n\u003cp data-start=\"6995\" data-end=\"7131\"\u003e\u003cstrong data-start=\"6995\" data-end=\"7037\"\u003eWhat is the input current consumption?\u003c\/strong\u003e\u003cbr data-start=\"7037\" data-end=\"7040\"\u003eThe module is designed for low current consumption consistent with S7-300 system standards.\u003c\/p\u003e\n\u003cp data-start=\"7133\" data-end=\"7223\"\u003e\u003cstrong data-start=\"7133\" data-end=\"7158\"\u003eIs this a spare part?\u003c\/strong\u003e\u003cbr data-start=\"7158\" data-end=\"7161\"\u003eYes. It is designated as a spare part for the S7-300 platform.\u003c\/p\u003e\n\u003cp data-start=\"7225\" data-end=\"7364\"\u003e\u003cstrong data-start=\"7225\" data-end=\"7267\"\u003eWhat resolution options are available?\u003c\/strong\u003e\u003cbr data-start=\"7267\" data-end=\"7270\"\u003eThe module supports 9 bit, 12 bit, and 14 bit resolution depending on the selected input type.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"New","offer_id":44242276024556,"sku":"6ES7331-7KF02-0AB0-FS","price":506.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0217\/1112\/6600\/files\/siemens-6es7331-7kf02-0ab0-new-302.jpg?v=1768535544"},{"product_id":"siemens-6es7972-0aa02-0xa0","title":"Siemens 6ES7972-0AA02-0XA0","description":"\u003cp\u003eSIMATIC DP, RS485 repeater For connection of PROFIBUS\/MPI bus systems with max. 31 nodes max. baud rate 12 Mbit\/s, Degree of protection IP20 Improved user handling\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"New","offer_id":42790197723372,"sku":"6ES7972-0AA02-0XA0-FS","price":1031.0,"currency_code":"USD","in_stock":true},{"title":"New Open Box","offer_id":46424342659308,"sku":"6ES7972-0AA02-0XA0-NSO","price":595.0,"currency_code":"USD","in_stock":false},{"title":"IAC Certified Refurbished","offer_id":47256193269996,"sku":"6ES7972-0AA02-0XA0-R","price":390.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0217\/1112\/6600\/files\/siemens-6es7972-0aa02-0xa0-new-767.jpg?v=1769547018"},{"product_id":"siemens-6es7321-1bl00-0aa0","title":"Siemens 6ES7321-1BL00-0AA0","description":"\u003cp\u003eSIMATIC S7-300, Digital input SM 321, Isolated 32 DI, 24 V DC, 1x 40-pole\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-start=\"2892\" data-end=\"2993\"\u003e\u003cstrong data-start=\"2892\" data-end=\"2928\"\u003eWhat type of I O module is this?\u003c\/strong\u003e\u003cbr data-start=\"2928\" data-end=\"2931\"\u003eThis is a digital input module for Siemens S7-300 PLC systems.\u003c\/p\u003e\n\u003cp data-start=\"2995\" data-end=\"3116\"\u003e\u003cstrong data-start=\"2995\" data-end=\"3040\"\u003eHow many inputs does this module provide?\u003c\/strong\u003e\u003cbr data-start=\"3040\" data-end=\"3043\"\u003eIt provides multiple digital input channels for monitoring field devices.\u003c\/p\u003e\n\u003cp data-start=\"3118\" data-end=\"3209\"\u003e\u003cstrong data-start=\"3118\" data-end=\"3163\"\u003eWhat voltage level do the inputs support?\u003c\/strong\u003e\u003cbr data-start=\"3163\" data-end=\"3166\"\u003eThe inputs are designed for 24 VDC signals.\u003c\/p\u003e\n\u003cp data-start=\"3211\" data-end=\"3326\"\u003e\u003cstrong data-start=\"3211\" data-end=\"3268\"\u003eIs this module compatible with standard S7-300 racks?\u003c\/strong\u003e\u003cbr data-start=\"3268\" data-end=\"3271\"\u003eYes, it is designed specifically for S7-300 backplanes.\u003c\/p\u003e\n\u003cp data-start=\"3328\" data-end=\"3457\"\u003e\u003cstrong data-start=\"3328\" data-end=\"3387\"\u003eDoes this module require configuration in PLC software?\u003c\/strong\u003e\u003cbr data-start=\"3387\" data-end=\"3390\"\u003eYes, it must be configured within Siemens PLC programming software.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"New","offer_id":44242267013356,"sku":"6ES7321-1BL00-0AA0-FS","price":573.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0217\/1112\/6600\/files\/siemens-6es7321-1bl00-0aa0-new-658.jpg?v=1768538750"},{"product_id":"siemens-6es7972-0ba52-0xa0","title":"Siemens 6ES7972-0BA52-0XA0","description":"\u003cp\u003eSIMATIC DP, Connection plug for PROFIBUS up to 12 Mbit\/s 90° cable outlet, Insulation displacement method FastConnect, without PG socket 15.8x 59x 35.6 mm 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