Siemens S7‑300 PLC Expansion Modules are designed to extend the capabilities of S7‑300 PLC systems, providing additional digital/analog I/O, communication interfaces, and specialized function modules. These modules allow scalable automation, enhanced control, and seamless integration with existing Siemens PLC systems. Compatible with STEP 7 (TIA Portal), S7‑300 expansion modules are suitable for OEM machines, process automation, factory control, and industrial monitoring. Rugged design ensures reliable operation in harsh industrial environments.
Digital Input Modules (DI) – e.g., 6ES7 321‑1BL00‑0AA0, 6ES7 321‑1BH01‑0AA0 Digital Output Modules (DO) – e.g., 6ES7 322‑1BL00‑0AA0, 6ES7 322‑1BH01‑0AA0 Analog Input Modules (AI) – e.g., 6ES7 331‑7NF00‑0AB0, 6ES7 331‑7NF01‑0AB0 Analog Output Modules (AO) – e.g., 6ES7 332‑5HF00‑0AB0, 6ES7 332‑5HF01‑0AB0 Communication Modules (CM, CP) – e.g., 6ES7 340‑1AH01‑0AE0, 6ES7 341‑1BL00‑0AB0 Function Modules (FM, SM) – e.g., 6ES7 334‑1KF01‑0AB0, 6ES7 335‑1HF00‑0AB0 Specialty Modules – Counter modules, high-speed I/O modules, temperature modules(All modules are designed for seamless S7‑300 rack integration, industrial durability, and reliable performance in automation systems.)
Extend S7‑300 PLC capabilities with additional I/O and communication Support digital, analog, counter, and specialized function modules Seamless integration with STEP 7 / TIA Portal Rugged industrial design for reliable operation Ideal for OEM machines, process automation, factory control, and monitoring PLC system expansion for small to medium automation setups OEM machine integration Factory process control and monitoring Industrial I/O and communication expansion Ready stock in Ahmedabad with pan-India delivery OEM-grade Siemens products Technical support and prompt supply| MODEL NUMBER | DESCRIPTION |
| 6ES7392-4BB00-0AA0 | S7-300 connecting Cable 1m |
| 6ES7392-1BM01-0AA0 | Front Connector, 40pin, spring Cont. |
| 6ES7392-1BJ00-0AA0 | Front Connector, 20pin, spring Cont. |
| 6ES7370-0AA01-0AA0 | DM 370 DUMMY module |
| 6ES7328-0AA00-7AA0 | FRONT DOOR FOR 32 chan. SM, 5 PCS. |
| 6ES7393-4AA10-0AA0 | Cable cell LK393 f. F Modules, 5pcs |
| 6ES7392-2XY20-0AA0 | Labeling Cover (F Modules), 10 PCS |
| 6ES7336-4GE00-0AB0 | SM 336, f.AI 6 X 0/4 ... 20mA HART |
| 6ES7326-2BF41-0AB0 | SM 326, F-DO 8 X DC 24V/2A PM |
| 6ES7326-2BF10-0AB0 | SM326, F-DO10XDC24V/2A PP, failsafe |
| 6ES7326-1RF01-0AB0 | SM326, 8DE, DC24V, failsafe |
| 6ES7326-1BK02-0AB0 | SM326, F-DI 24 X DC24V, failsafe |
| 6ES7318-3FL01-0AB0 | CPU319F-3 PN/DP, 2.5 MB |
| 6ES7317-7UL10-0AB0 | CPU317TF-3 PN/DP, 1,5 MB |
| 6ES7317-6FF04-0AB0 | CPU317F-2DP, 1.5 MB |
| 6ES7317-2FK14-0AB0 | CPU317F-2 PN/DP, 1.5 MB |
| 6ES7315-6FF04-0AB0 | CPU315F, 384KB |
| 6ES7315-2FJ14-0AB0 | CPU315F-2 PN/DP, 512 KB |
| 6ES7334-0KE00-0AB0 | SM334, 4AI/2AO, 0-10V f.PT100 |
| 6ES7334-0CE01-0AA0 | SM334, 4AI, 2AO, non isolated |
| 6ES7332-7ND02-0AB0 | SM332, 4AA, 0-10V, 0-5V,+/-10V,+/-20mA |
| 6ES7332-5HF00-0AB0 | SM332, 8AA, U/I, 11/12Bit |
| 6ES7332-5HD01-0AB0 | SM332, 4AO, U/I, 11/12Bit |
| 6ES7332-5HB01-0AB0 | SM332, 2AA, U/I, 11/12Bit |
| 6ES7331-7PF11-0AB0 | SM331, 8AI, 16BIT, Thermocouples |
| 6ES7331-7PF01-0AB0 | SM331, 8AI, resistor, PT100/200/1000, . |
| 6ES7331-7PE10-0AB0 | SM331, 6AI, 16bit, Thermocouple |
| 6ES7331-7NF10-0AB0 | SM331,8AI,+/-5/10V,1-5V,+/-20mA,0/4-20mA |
| 6ES7331-7NF00-0AB0 | SM331,8AI,+/-5/10V,1-5V,+/-20mA,0/4-20mA |
| 6ES7331-7KF02-0AB0 | SM331, 8AI, 9/12/14Bit |
| 6ES7331-7KB02-0AB0 | SM331, 2AI, 9/12/14Bit |
| 6ES7331-7HF01-0AB0 | SM331, 8AI, 14BIT, 0,052MS/channel |
| 6ES7331-1KF02-0AB0 | SM331, 8AI, 13bit |
| 6ES7327-1BH00-0AB0 | SM327, 8DI/8DX, DC24V, 0,5A |
| 6ES7323-1BL00-0AA0 | SM323, 16DI/DO, DC24V, 0,5A |
| 6ES7323-1BH01-0AA0 | SM323, 8DI/8DO, DC24V, 0,5A |
| 6ES7322-8BF00-0AB0 | SM322, 8DO, 24V DC, 0,5A |
| 6ES7322-5HF00-0AB0 | SM322, 8DO Relay, 24VDC, 120-230V AC, 5A |
| 6ES7322-5GH00-0AB0 | SM322, 16DO, AC/DC24-48V, 0,5A |
| 6ES7322-5FF00-0AB0 | SM322, 8DO, AC120/230V, 2A |
| 6ES7322-1HH01-0AA0 | SM322, 16DO Relay |
| 6ES7322-1HF10-0AA0 | SM322, 8DA, 24V DC/5A OR 230V AC/5A |
| 6ES7322-1HF01-0AA0 | SM322, 8DA, 24V DC/2A or 230V AC/2A |
| 6ES7322-1FL00-0AA0 | SM322, 32DO, 120/230V AC, 1A |
| 6ES7322-1FH00-0AA0 | SM322, 16DO, 120/230V AC, 1A |
| 6ES7322-1FF01-0AA0 | SM322, 8DO, 120/230V AC, 1A |
| 6ES7322-1CF00-0AA0 | SM322, 8DO, 48-125V DC, 1,5A |
| 6ES7322-1BP50-0AA0 | SM322 64DO, DC24V, 0.3A M-write |
| 6ES7322-1BP00-0AA0 | SM322 64DA, DC24V, 0,3A P-write |
| 6ES7322-1BL00-0AA0 | SM322, 32DO 24V DC, 0,5A |
| 6ES7322-1BH10-0AA0 | SM322 High Speed, 16DO 24V DC, 0.5A |
| 6ES7322-1BH01-0AA0 | SM322, 16DO 24V DC, 0,5A |
| 6ES7322-1BF01-0AA0 | SM322, 8DO, 24V DC, 2A |
| 6ES7321-7BH01-0AB0 | SM321, 16DI, 24V DC |
| 6ES7321-1FH00-0AA0 | SM321, 16 DI, 120/230V AC |
| 6ES7321-1FF10-0AA0 | SM321, 8 DI, AC/DC 120/230V, 1ch/common |
| 6ES7321-1FF01-0AA0 | SM321, 8DI, AC120/230V |
| 6ES7321-1EL00-0AA0 | SM321, 32DI, AC120V |
| 6ES7321-1CH20-0AA0 | SM321, 16DI, DC48-125V |
| 6ES7321-1CH00-0AA0 | SM321, 16 DI, AC/DC 24-48V, 1ch/common |
| 6ES7321-1BP00-0AA0 | SM321, 64 DI, DC 24V, 3MS, P/M reading |
| 6ES7321-1BL00-0AA0 | SM321, 32DI, DC24V |
| 6ES7321-1BH50-0AA0 | SM321, 16DI, DC24V, Source Input |
| 6ES7321-1BH10-0AA0 | SM321,16DI,DC24V, 0.05ms Input Delay. |
| 6ES7321-1BH02-0AA0 | SM321, 16DI, DC24V |
