SIEMENS, Product, S7-300

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​Comprehensive Guide to Siemens S7-300 Module Series

​​The Preferred Core Component for Industrial Automation​​

The Siemens S7-300 series, recognized as the standard-bearer of modular PLC systems, has become a core solution in industrial automation due to its exceptional scalability, reliability, and diverse range of signal modules. Its modular design covers multiple categories including ​​Digital I/O, Analog I/O, Hybrid Modules​​, and ​​Safety-rated Modules​​, enabling precise adaptation to various scenarios – from simple machinery control to complex process automation.

To facilitate engineering selection and maintenance reference, this article systematically documents the full series of module models and their technical specifications. Below is the official model list (with key parameter annotations), recommend filtering through these three dimensions for rapid identification:
​​[Voltage Level], [Channel Count], [Special Functions]​​​

6ES73211BH020AA0​​
SIMATIC S7-300, Digital Input SM 321, Optically Isolated, 16 Digital Inputs, 24 V DC, 1×20-pin

​​6ES73211BH024AA1​​
SM321 Extension Kit (6ES73211BH020AA0) SIMATIC S7-300, Digital Input SM 321, Optically Isolated, 16 Digital Inputs, 24 V DC, 1×20-pin and SIMATIC S7-300, Front Connector (6ES73921AJ000AA0) for Signal Modules with Screw Terminals, 20-pin

​​6ES73211BH024AA2​​
SM321 Extension Kit (6ES73211BH020AA0) SIMATIC S7-300, Digital Input SM 321, Optically Isolated, 16 Digital Inputs, 24 V DC, 1×20-pin and SIMATIC S7-300, Front Connector (6ES73921BJ000AA0) for Signal Modules with Spring-Loaded Terminals, 20-pin

​​6ES73211BH100AA0​​
SIMATIC S7-300, Digital Input SM 321, Galvanically Isolated, 16 Digital Inputs, 24 V DC, 20-pin, 0.05 ms Input Delay

​​6ES73211BH500AA0​​
SIMATIC S7-300, Digital Input SM 321, Optically Isolated, 16 Digital Inputs, 24 V DC, Sourcing Input, 1×20-pin

​​6ES73211BH504AA1​​
SM321 Extension Kit (6ES73211BH500AA0) SIMATIC S7-300, Digital Input SM 321, Optically Isolated, 16 Digital Inputs, 24 V DC, Sourcing Input, 1×20-pin and SIMATIC S7-300, Front Connector (6ES73921AJ000AA0) for Signal Modules with Screw Terminals, 20-pin

​​6ES73211BH504AA2​​
SM321 Extension Kit (6ES73211BH500AA0) SIMATIC S7-300, Digital Input SM 321, Optically Isolated, 16 Digital Inputs, 24 V DC, Sourcing Input, 1×20-pin and SIMATIC S7-300, Front Connector (6ES73921BJ000AA0) for Signal Modules with Spring-Loaded Terminals, 20-pin

​​6ES73211BL000AA0​​
SIMATIC S7-300, Digital Input SM 321, Optically Isolated, 32 Digital Inputs, 24 V DC, 1×40-pin

​​6ES73211BL004AA1​​
SM321 Extension Kit (6ES73211BL000AA0) SIMATIC S7-300, Digital Input SM 321, Optically Isolated, 32 Digital Inputs, 24 V DC, 1×40-pin and SIMATIC S7-300, Front Connector (6ES73921AM000AA0) with Screw Terminals, 40-pin

​​6ES73211BL004AA2​​
SM321 Extension Kit (6ES73211BL000AA0) SIMATIC S7-300, Digital Input SM 321, Optically Isolated, 32 Digital Inputs, 24 V DC, 1×40-pin and SIMATIC S7-300, Front Connector (6ES73921BM010AA0) for Signal Modules with Spring-Loaded Terminals, 40-pin

​​6ES73211BP000AA0​​
SIMATIC S7-300 Digital Input SM321, Optically Isolated 16 per Group, 64 Digital Inputs, DC 24V, 3ms, Sinking/Sourcing

​​6ES73211CH000AA0​​
SIMATIC S7-300, Digital Input SM 321, Optically Isolated, 16 Digital Inputs, AC/DC 24 – 48V, with One Channel per Common, 40-pin

​​6ES73211CH200AA0​​
SIMATIC S7-300, Digital Input SM 321, Optically Isolated, 16 Digital Inputs, DC 48 – 125V, 20-pin

​​6ES73211EL000AA0​​
SIMATIC S7-300, Digital Input SM 321, Optically Isolated, 32 Digital Inputs, 120V AC, 40-pin

​​6ES73211FF010AA0​​
SIMATIC S7-300, Digital Input SM 321, Optically Isolated, 8 Digital Inputs, 120V/230V AC, 20-pin

​​6ES73211FF100AA0​​
SIMATIC S7-300, Digital Input SM 321, Optically Isolated, 8 Digital Inputs, 120V/230V AC, 40-pin, with 1 Point per Common

​​6ES73211FH000AA0​​
SIMATIC S7-300, Digital Input SM 321, Optically Isolated, 16 Digital Inputs, 120/230V AC, 1×20-pin

​​6ES73211FH004AA1​​
SM321 Extension Kit (6ES73211FH000AA0) SIMATIC S7-300, Digital Input SM 321, Optically Isolated, 16 Digital Inputs, 120/230V AC, 1×20-pin and SIMATIC S7-300, Front Connector (6ES73921AJ000AA0) for Signal Modules with Screw Terminals, 20-pin

​​6ES73211FH004AA2​​
SM321 Extension Kit (6ES73211FH000AA0) SIMATIC S7-300, Digital Input SM 321, Optically Isolated, 16 Digital Inputs, 120/230V AC, 1×20-pin and SIMATIC S7-300, Front Connector (6ES73921BJ000AA0) for Signal Modules with Spring-Loaded Terminals, 20-pin

​​6ES73217BH010AB0​​
SIMATIC S7-300, Digital Input SM 321, Galvanically Isolated, 16 Digital Inputs, DC 24V, 20-pin, for Process Interrupt, Diagnosis

​​6ES73221BF010AA0​​
SIMATIC S7-300, Digital Output SM 322, Optically Isolated, 8 Digital Outputs, 24V DC, 2A, 20-pin

​​6ES73221BH010AA0​​
SIMATIC S7-300, Digital Output SM 322, Optically Isolated, 16 Digital Outputs, 24V DC, 0.5A, 1×20-pin, Total Output Current per Group 4A (8A per Module)

​​6ES73221BH014AA1​​
SM322 Extension Kit (6ES73221BH010AA0) SIMATIC S7-300, Digital Output SM 322, Optically Isolated, 16 Digital Outputs, 24V DC, 0.5A, 1×20-pin, Total Output Current per Group 4A (8A per Module) and SIMATIC S7-300, Front Connector (6ES73921AJ000AA0) for Signal Modules with Screw Terminals

​​6ES73221BH014AA2​​
SM322 Extension Kit (6ES73221BH010AA0) SIMATIC S7-300, Digital Output SM 322, Optically Isolated, 16 Digital Outputs, 24V DC, 0.5A, 1×20-pin, Total Output Current per Group 4A (8A per Module) and SIMATIC S7-300, Front Connector (6ES73921BJ000AA0) for Signal Modules with Spring-Loaded Terminals

​​6ES73221BH100AA0​​
SIMATIC S7-300, Digital Output SM 322 High-speed, Galvanically Isolated, 16 Digital Outputs, 24V DC, 0.5A, 20-pin

​​6ES73221BL000AA0​​
SIMATIC S7-300, Digital Output SM 322, Optically Isolated, 32 Digital Outputs, 24V DC, 0.5A, 1×40-pin, Total Output Current per Group 4A (16A per Module)

​​6ES73221BL004AA1​​
SM322 Extension Kit (6ES73221BL000AA0) SIMATIC S7-300, Digital Output SM 322, Optically Isolated, 32 Digital Outputs, 24V DC, 0.5A, 1×40-pin, Total Output Current per Group 4A (16A per Module) and SIMATIC S7-300, Front Connector (6ES73921AM000AA0) 392 with Screw Terminals

​​6ES73221BL004AA2​​
SM322 Extension Kit (6ES73221BL000AA0) SIMATIC S7-300, Digital Output SM 322, Optically Isolated, 32 Digital Outputs, 24V DC, 0.5A, 1×40-pin, Total Output Current per Group 4A (16A per Module) and SIMATIC S7-300, Front Connector (6ES73921BM010AA0) for Signal Modules with Spring-Loaded Terminals

​​6ES73221BP000AA0​​
SIMATIC S7-300 Digital Output SM322, Optically Isolated 16 per Group, 64 Digital Outputs, DC 24V, 0.3A, (Sourcing) Total Current 2A/Group

​​6ES73221BP500AA0​​
SIMATIC S7-300 Digital Output SM322, Optically Isolated 16 per Group, 64 Digital Outputs, DC 24V, 0.3A (Sinking) Total Current 2A/Group

​​6ES73221CF000AA0​​
SIMATIC S7-300, Digital Output SM 322, Optically Isolated, 8 Digital Outputs, DC 48-125V, 1.5A, 20-pin

​​6ES73221FF010AA0​​
SIMATIC S7-300, Digital Output SM 322, Optically Isolated, 8 Digital Outputs, 120/230V AC, 1A, 20-pin

​​6ES73221FH000AA0​​
SIMATIC S7-300, Digital Output SM 322, Optically Isolated, 16 Digital Outputs, 120/230V AC, 1 A, 20-pin (Note: Part number says SM 321, description says SM 322 Digital Output – Using SM 322)

​​6ES73221FL000AA0​​
SIMATIC S7-300, Digital Output SM 322, Optically Isolated, 32 Digital Outputs, AC 120V/230V, 1A, Dual-width Housing, 2×20-pin

​​6ES73221HF010AA0​​
SIMATIC S7-300, Digital Output SM 322, Optically Isolated, 8 Digital Outputs (Relay), 1×20-pin, 24V DC, 2A or 230V AC, 2A

​​6ES73221HF014AA1​​
SM322 Extension Kit (6ES73221HF010AA0) SIMATIC S7-300, Digital Output SM 322, Optically Isolated, 8 Digital Outputs (Relay), 1×20-pin, 24V DC, 2A or 230V AC, 2A and SIMATIC S7-300, Front Connector (6ES73921AJ000AA0) for Signal Modules with Screw Terminals, 20-pin

​​6ES73221HF014AA2​​
SM322 Extension Kit (6ES73221HF010AA0) SIMATIC S7-300, Digital Output SM 322, Optically Isolated, 8 Digital Outputs (Relay), 1×20-pin, 24V DC, 2A or 230V AC, 2A and SIMATIC S7-300, Front Connector (6ES73921BJ000AA0) for Signal Modules with Spring-Loaded Terminals, 20-pin

​​6ES73221HF100AA0​​
SIMATIC S7-300, Digital Output SM 322, Optically Isolated, 8 Digital Outputs (Relay Outputs), 40-pin, 24V DC, 5A or 230V AC, 5A, Common

​​6ES73221HH010AA0​​
SIMATIC S7-300, Digital Output SM 322, Optically Isolated, 16 Digital Outputs, Relay Contacts, 1×20-pin

​​6ES73221HH014AA1​​
SM322 Extension Kit (6ES73221HH010AA0) SIMATIC S7-300, Digital Output SM 322, Optically Isolated, 16 DO, Relay Contacts, 1×20-pin and SIMATIC S7-300, Front Connector (6ES73921AJ000AA0) for Signal Modules with Screw Terminals, 20-pin

​​6ES73221HH014AA2​​
SM322 Extension Kit (6ES73221HH010AA0) SIMATIC S7-300, Digital Output SM 322, Optically Isolated, 16 DO, Relay Contacts, 1×20-pin and SIMATIC S7-300, Front Connector (6ES73921BJ000AA0) for Signal Modules with Spring-Loaded Terminals, 20-pin

​​6ES73225FF000AB0​​
SIMATIC S7-300, Digital Output SM 322, Optically Isolated, 8 Digital Outputs, 120/230V AC, 2A, 40-pin

​​6ES73225GH000AB0​​
SIMATIC S7-300, Digital Output SM 322, Optically Isolated, 16 DO (Solid State Relays), AC/DC 24 – 48V; 0.5A; 1.5A Surge Current

​​6ES73225HF000AB0​​
SIMATIC S7-300, Digital Output SM 322, Optically Isolated, 8 Digital Outputs (Relay Outputs), 40-pin, 24V DC, 120 – 230V AC, 5A with

​​6ES73228BF000AB0​​
SIMATIC S7-300, Digital Output SM 322, Optically Isolated, 8 Digital Outputs, 24V DC, 0.5 A (1×8 Digital Outputs), Short-circuit protected, Diagnosis, 20-pin

​​6ES73231BH010AA0​​
SIMATIC S7-300, Digital Module SM 323, Optically Isolated, 8 Digital Inputs and 8 Digital Outputs, 24V DC, 0.5A Total Current 2A, 20-pin

​​6ES73231BL000AA0​​
SIMATIC S7-300, Digital Module SM 323, Optically Isolated, 16 Digital Inputs and 16 Digital Outputs, 24V DC, 0.5A, Total Current 4A, 1×40-pin

​​6ES73231BL004AA1​​
SM323 Extension Kit (6ES73231BL000AA0) SIMATIC S7-300, Digital Module SM 323, Optically Isolated, 16 Digital Inputs and 16 Digital Outputs, 24V DC, 0.5A, Total Current 4A, 1×40-pin and SIMATIC S7-300, Front Connector (6ES73921AM000AA0) 392 with Screw Terminals, 40-pin

​​6ES73231BL004AA2​​
SM323 Extension Kit (6ES73231BL000AA0) SIMATIC S7-300, Digital Module SM 323, Optically Isolated, 16 DI and 16 Digital Outputs, 24V DC, 0.5A, Total Current 4A, 1×40-pin and SIMATIC S7-300, Front Connector (6ES73921BM010AA0) for Signal Modules with Spring-Loaded Terminals

​​6ES73261BK020AB0​​
SIMATIC S7, Digital Input SM 326, F-DI 24 x DC 24V, Fail-safe Digital Input for SIMATIC S7 F System with Diagnosis, Interference, 1×40-pin

​​6ES73261RF000AB0​​
SIMATIC S7, Digital Input SM 326, 8 DI; DC 24V, Explosion-proof Type, Explosion-proof Fail-safe Input for SIMATIC S7 F System, 1×40-pin

​​6ES73262BF010AB0​​
SIMATIC S7, Digital Output SM 326, 10 DO; 24V DC, 2A, Fail-safe Digital Output for SIMATIC S7 F System with Diagnosis and Interference, 1×40-pin

​​6ES73262BF100AB0​​
SIMATIC S7, Digital Output SM326, F-DO10 x DC24V/2A PP, Fail-safe Digital Output for SIMATIC S7 F System with Diagnosis, Interference LVV, 1×40-pin

​​6ES73262BF410AB0​​
SIMATIC S7, Digital Output SM 326, F-DO 8 x DC 24V/2A PM Fail-safe Digital Output P-M Switching to Category 4 (EN954-1), SIL 3 (IEC 61508)

​​6ES73271BH000AB0​​
SIMATIC S7-300, Digital Module SM 327, Optically Isolated, 8 Digital Inputs and 8 DX, 24V DC, 0.5A 20-pin, 8DX Channel-wise Programmable

​​6ES73280AA007AA0​​
SIMATIC S7-300, Front Adapter for 32-channel Signal Modules, Allows Connection of 1.3 QMM or 16 AWG Wire Size on a 32 Point Terminal

​​6ES73287AA100AA0​​
SIMATIC S7-300, Front Adapter for Safety Modules, Allows Connection of 1.3 QMM or 16 AWG Wire Size, Pack of 5 including Labels and Terminal Diagram (Yellow)

​​6ES73311KF020AB0​​
SIMATIC S7-300, Analog Input SM 331, Optically Isolated, 8 AI, 13 Bit Resolution, U/I/Resistance/PT100, NI100, NI1000, LG-NI1000, PTC/KTY, 66 ms Module Update Time, 1×40-pin

​​6ES73311KF024AB1​​
SIMATIC S7-300, Extension Kit (6ES73311KF020AB0) SM 331, Optically Isolated, 8 AI, 13 Bit Resolution, U/I/Resistance/PT100, NI100, NI1000, LG-NI1000, PTC/KTY, 66 ms Module Update Time, 1×40-pin and SIMATIC S7-300, Front Connector (6ES73921AM000AA0) with Screw Terminals

​​6ES73311KF024AB2​​
SIMATIC S7-300, Extension Kit (6ES73311KF020AB0) SM 331, Optically Isolated, 8 AI, 13 Bit Resolution, U/I/Resistance/PT100, NI100, NI1000, LG-NI1000, PTC/KTY, 66 ms Module Update Time, 1×40-pin and SIMATIC S7-300, Front Connector (6ES73921BM010AA0) for Signal Modules with Spring-Loaded Terminals

​​6ES73317HF010AB0​​
SIMATIC S7-300, Analog Input SM 331, Galvanically Isolated, 8 AI, 14 Bit, 0.052 ms/Channel, Current, Voltage, Interference Suppression, Diagnosis

​​6ES73317KB020AB0​​
SIMATIC S7-300, Analog Input SM 331, Optically Isolated, 2 AI, 9/12/14 Bit Resolution, U/I/Thermocouple/Resistance, Interference Suppression, Diagnosis, 1×20-pin, Removal/Insertion with Active Backplane Bus

​​6ES73317KB024AB1​​
SM331 Extension Kit (6ES73317KB020AB0) SIMATIC S7-300, Analog Input SM 331, Optically Isolated, 2 AI, 9/12/14 Bit Resolution, U/I/Thermocouple/Resistance, Interference Suppression, Diagnosis, 1×20-pin, Removal/Insertion with Active Backplane Bus and SIMATIC S7-300, Front Connector

​​6ES73317KB024AB2​​
SM331 Extension Kit (6ES73317KB020AB0) SIMATIC S7-300, Analog Input SM 331, Optically Isolated, 2 AI, 9/12/14 Bit Resolution, U/I/Thermocouple/Resistance, Interference Suppression, Diagnosis, 1×20-pin, Removal/Insertion with Active Backplane Bus and SIMATIC S7-300, Front Connector

​​6ES73317KF020AB0​​
SIMATIC S7-300, Analog Input SM 331, Optically Isolated, 8AI, Resolution 9/12/14 Bit, U/I/Thermocouple/Resistance, Interference Suppression, Diagnosis; 1×20-pin, Removal/Insertion with Active Backplane Bus

​​6ES73317KF024AB1​​
SM331 Extension Kit (6ES73317KF020AB0) SIMATIC S7-300, Analog Input SM 331, Optically Isolated, 8AI, Resolution 9/12/14 Bit, U/I/Thermocouple/Resistance, Interference Suppression, Diagnosis; 1×20-pin, Removal/Insertion with Active Backplane Bus and SIMATIC S7-300, Front Connector (6ES73921AJ000AA0)

​​6ES73317KF024AB2​​
SM331 Extension Kit (6ES73317KF020AB0) SIMATIC S7-300, Analog Input SM 331, Optically Isolated, 8AI, Resolution 9/12/14 Bit, U/I/Thermocouple/Resistance, Interference Suppression, Diagnosis; 1×20-pin, Removal/Insertion with Active Backplane Bus and SIMATIC S7-300, Front Connector (6ES73921BJ000AA0)

​​6ES73317NF000AB0​​
SIMATIC S7-300, Analog Input SM 331, Optically Isolated, 8 AE; +/-5/10V, 1-5V, +/-20mA, 0/4 to 20mA, 16 Bit (55 ms), 1 Common Point (50 V COM.), 1×40-pin

​​6ES73317NF004AB1​​
SM331 Extension Kit (6ES73317NF000AB0) SIMATIC S7-300, Analog Input SM 331, Optically Isolated, 8 AE; +/-5/10V, 1-5V, +/-20mA, 0/4 to 20mA, 16 Bit (55 ms), 1 Common Point (50 V COM.), 1×40-pin and SIMATIC S7-300, Front Connector (6ES73921AM000AA0) 392 with Screw Terminals

​​6ES73317NF004AB2​​
SM331 Extension Kit (6ES73317NF000AB0) SIMATIC S7-300, Analog Input SM 331, Optically Isolated, 8 AE; +/-5/10V, 1-5V, +/-20mA, 0/4 to 20mA, 16 Bit (55 ms), 1 Common Point (50 V COM.), 1×40-pin and SIMATIC S7-300, Front Connector (6ES73921BM010AA0) for Signal Modules with Spring-Loaded Terminals

​​6ES73317NF100AB0​​
SIMATIC S7-300, Analog Input SM 331, Optically Isolated, 8 AE; +/-5/10V, 1-5V, +/-20mA, 0/4 to 20mA, 16 Bit, 1 Common Point

​​6ES73317PE100AB0​​
SIMATIC S7-300, Analog Input SM 331, Individually Isolated AC250V, 6 AI Thermocouple, Types B, E, J, K, L, N, R, S, T, Voltage: +/-25mV to +/-1V, 16 Bit, 50 ms, 1×40-pin

​​6ES73317PF010AB0​​
SIMATIC S7-300, Analog Input SM 331, Optically Isolated, 2/3/4 Wire, 8AI, Resistance, PT100/200/1000 NI100/120/200/500/1000, CU10, Additional characteristics according to GOST standard 16 (Intern 24) Bit, 50 ms, 1×40-pin

​​6ES73317PF014AB1​​
SM331 Extension Kit (6ES73317PF010AB0) SIMATIC S7-300, Analog Input SM 331, Optically Isolated, 2/3/4 Wire, 8AI, Resistance, PT100/200/1000 NI100/120/200/500/1000, CU10, Additional characteristics according to GOST standard 16 (Intern 24) Bit, 50 ms, 1×40-pin and SIMATIC S7-300 Front Connector (6ES73921AM000AA0)

​​6ES73317PF014AB2​​
SM331 Extension Kit (6ES73317PF010AB0) SIMATIC S7-300, Analog Input SM 331, Optically Isolated, 2/3/4 Wire, 8AI, Resistance, PT100/200/1000 NI100/120/200/500/1000, CU10, Additional characteristics according to GOST standard 16 (Intern 24) Bit, 50 ms, 1×40-pin and SIMATIC S7-300 Front Connector (6ES73921BM010AA0)

​​6ES73317PF110AB0​​
SIMATIC S7-300, Analog Input SM 331, Optically Isolated, 8 AI Thermocouple, Types B, E, J, K, L, N, R, S, T, TXK/TXK(L) according to GOST 16 Bit, 50 ms, 1×40-pin

​​6ES73317PF114AB1​​
SM331 Extension Kit (6ES73317PF110AB0) SIMATIC S7-300, Analog Input SM 331, Optically Isolated, 8 AI Thermocouple, Types B, E, J, K, L, N, R, S, T, TXK/TXK(L) according to GOST 16 Bit, 50 ms, 1×40-pin and SIMATIC S7-300, Front Connector (6ES73921AM000AA0) with Screw Terminals

​​6ES73317PF114AB2​​
SM331 Extension Kit (6ES73317PF110AB0) SIMATIC S7-300, Analog Input SM 331, Optically Isolated, 8 AI Thermocouple, Types B, E, J, K, L, N, R, S, T, TXK/TXK(L) according to GOST standard 16 Bit, 50 ms, 1×40-pin and SIMATIC S7-300, Front Connector (6ES73921BM010AA0) for Signal Modules with Spring-Loaded Terminals

​​6ES73325HB010AB0​​
SIMATIC S7-300, Analog Output SM 332, Optically Isolated, 2 AO, U/I; 11/12 Bit Resol., 20-pin, Removal/Insertion with Active Backplane Bus

​​6ES73325HB014AB1​​
SM332 Extension Kit (6ES73325HB010AB0) SIMATIC S7-300, Analog Output SM 332, Optically Isolated, 2 AO, U/I; 11/12 Bit Resol., 20-pin, Removal/Insertion with Active Backplane Bus and SIMATIC S7-300, Front Connector (6ES73921AJ000AA0) for Signal Modules with Screw Terminals

​​6ES73325HB014AB2​​
SM332 Extension Kit (6ES73325HB010AB0) SIMATIC S7-300, Analog Output SM 332, Optically Isolated, 2 AO, U/I; 11/12 Bit Resol., 20-pin, Removal/Insertion with Active Backplane Bus and SIMATIC S7-300, Front Connector (6ES73921BJ000AA0) for Signal Modules with Spring-Loaded Terminals

​​6ES73325HD010AB0​​
SIMATIC S7-300, Analog Output SM 332, Optically Isolated, 4 AO, U/I; Diagnosis; Resolution 11/12 Bit, 20-pin, Removal/Insertion with Active Backplane Bus

​​6ES73325HD014AB1​​
SM332 Extension Kit (6ES73325HD010AB0) SIMATIC S7-300, Analog Output SM 332, Optically Isolated, 4 AO, U/I; Diagnosis; Resolution 11/12 Bit, 20-pin, Removal/Insertion with Active Backplane Bus and SIMATIC S7-300, Front Connector (6ES73921AJ000AA0) for Signal Modules with Screw Terminals

​​6ES73325HD014AB2​​
SM332 Extension Kit (6ES73325HD010AB0) SIMATIC S7-300, Analog Output SM 332, Optically Isolated, 4 AO, U/I; Diagnosis; Resolution 11/12 Bit, 20-pin, Removal/Insertion with Active Backplane Bus and SIMATIC S7-300, Front Connector (6ES73921BJ000AA0) for Signal Modules with Spring-Loaded Terminals

​​6ES73325HF000AB0​​
SIMATIC S7-300, Analog Output SM 332, Optically Isolated, 8 AO, U/I; Diagnosis; Resolution 11/12 Bit, 40-pin, Removal/Insertion with Active Backplane Bus

​​6ES73325HF004AB1​​
SM332 Extension Kit (6ES73325HF000AB0) SIMATIC S7-300, Analog Output SM 332, Optically Isolated, 8 AO, U/I; Diagnosis; Resolution 11/12 Bit, 40-pin, Removal/Insertion with Active Backplane Bus and SIMATIC S7-300, Front Connector (6ES73921AM000AA0) 392 with Screw Terminals

​​6ES73325HF004AB2​​
SM332 Extension Kit (6ES73325HF000AB0) SIMATIC S7-300, Analog Output SM 332, Optically Isolated, 8 AO, U/I; Diagnosis; Resolution 11/12 Bit, 40-pin, Removal/Insertion with Active Backplane Bus and SIMATIC S7-300, Front Connector (6ES73921BM010AA0) for Signal Modules with Spring-Loaded Terminals

​​6ES73327ND020AB0​​
SIMATIC S7-300, Analog Output SM 332, Channel-to-channel Isolated, 4 AO, 16 Bit Resolution, 0 – 10V, 1-5V, +/-10V, +/-20mA, 0/4 – 20mA, 20-pole (Note: Description repeats)

​​6ES73340CE010AA0​​
SIMATIC S7, Analog Input/Output SM 334, Non-isolated, 4 AI/2 AO, 20-pole, Removal and Insertion with Backplane Bus

​​6ES73340KE000AB0​​
SIMATIC S7-300, Analog Module SM 334, Optically Isolated, 4AE/2AA, 12 Bit, 0-10V for PT100 (Temperature Range -120 – 155°C)

​​6ES73361HE000AB0​​
SIMATIC S7, Analog Input SM336, 6 AI; 14 Bit; 40-pin, Fail-safe Analog Input for SIMATIC S7 F Systems with Diagnosis, Interference

​​6ES73364GE000AB0​​
SIMATIC S7, Analog Input SM336, 6 AI; 15 Bit; 1×20-pin, Fail-safe Analog Input SIL 3, for SIMATIC SAFETY, with HART Support

​​6ES73384BC010AB0​​
SIMATIC S7-300, Signal Module for 3 SSI Sensors for Read-in of Position Evaluation with 2 Freeze Inputs, 20-pin Support

​​6ES73387XF000AB0​​
SIMATIC S7-300, IQ-SENSE SM338 for S7-300 and ET200M for Connecting up to 8 IQ-SENSE Sensors, Optical Sensors and Ultrasonic Sensors