6ES7321-1BH02-0AA0 digital input module (16 points, 24VDC)
6ES7321-1BH10-0AA0 digital input module (16 points, 24VDC)
6ES7321-1BL00-0AA0 digital input module (32 points, 24VDC)
6ES7321-1CH00-0AA0 digital input module (16 points, 24 / 48VDC)
6ES7321-1CH20-0AA0 digital input module (16 points, 48 ​​/ 125VDC)
6ES7322-1BH01-0AA0 binary output module (16 points, 24VDC)
6ES7322-1BH10-0AA0 binary output module (16 points, 24VDC) High Speed
6ES7322-1CF00-0AA0 binary output module (8:00, 48-125VDC)
6ES7322-8BF00-0AB0 binary output module (8, 24VDC) diagnostic capabilities
6ES7322-1BL00-0AA0 binary output module (32 points, 24VDC)
6ES7322-1BF01-0AA0 binary output module (8:00, 24VDC, 2A)
6ES7322-1HH01-0AA0 binary output module (16 points, relay)
6ES7322-1FH00-0AA0 binary output module (16 points, 120V / 230VAC)
6ES7323-1BL00-0AA0 16 inputs, 24VDC; 16-point output, 24VDC module

S7-300 analog modules

6ES7331-7KF02-0AB0 Analog Input Module (8-channel, multi-signal)
6ES7331-7SF00-0AB0
6ES7331-7KB02-0AB0 analog input module (2-way, multiple signals)
6ES7331-7NF10-0AB0 Analog Input Module (8-channel, 15 bit) 4-channel mode
6ES7331-7HF01-0AB0 Analog Input Module (8-channel, 14-bit accuracy, fast)
6ES7331-1KF02-0AB0 Analog Input Module (8-channel 13-bit resolution)
6ES7331-7PF01-0AB0 8 analog inputs, 16-bit, RTD
6ES7331-7PF11-0AB0
6ES7332-5HD01-0AB0 analog output module (4)
6ES7332-5HF00-0AB0 analog output module (8)
6ES7332-7ND02-0AB0 analog output module (4, 15 bit)
6ES7332-5HD01-4AA1
6ES7331-7SF00-0AB0

S7-300 Accessories
6ES7953-8LG30-0AA0 SIMATIC Micro Memory Card 64kByte (MMC)
6ES7953-8LG30-0AA0 SIMATIC Micro Memory Card 128KByte (MMC)
6ES7953-8LJ30-0AA0 SIMATIC Micro Memory Card 512KByte (MMC)
6ES7953-8LL31-0AA0 SIMATIC Micro Memory Card 2MByte (MMC)
6ES7953-8LM31-0AA0 SIMATIC Micro Memory Card 4MByte (MMC)
6ES7953-8LP20-0AA0 SIMATIC Micro Memory Card 8MByte (MMC)
6ES7365-0BA01-0AA0 IM365 interface module
6ES7390-1AE80-0AA0 rail (480mm)
6ES7390-1AF30-0AA0 rail = 530mm
6ES7390-1AJ30-0AA0 rail (830mm)
6ES7390-1BC00-0AA0 rails (2000mm)
6ES7392-1AJ00-0AA0 20-pin front connector
6ES7392-1AM00-0AA0 40-pin front connector

S7-300 modules
6ES7350-1AH03-0AE0 FM350-1 Counter Function Block
6ES7350-2AH01-0AE0 FM350-2 Counter Function Block
6ES7352-1AH02-0AE0 FM352 electronic cam controller configuration package CD +

S7-300 communication module
6ES7341-1CH01-0AE0 CP341 communications processor (RS485 / RS422)
6GK7343-1EX30-0XE0 CP343-1 Ethernet communication module
6GK7343-1CX10-0XE0 CP343-1 Ethernet communication module
6GK7343-1HX00-0XE0 CP343-1PN PROFINET Ethernet communication module
6GK7343-2AH00-0XA0 CP343-2 AS-Interface
6ES7335-7HG02-0AB0 SM 335
6ES7336-4GE00-0AB0 SM3366 AI; 15 BIT; 1 X 20 PIN,
6ES7326-1BK02-0AB0 SM 326, F-DI 24 X DC 24V,