6ES72121AB230B8 CPU222 CN DC / DC / DC 8 input / output 6
6ES72121BB230B8 CPU222 CN AC / DC / relay 8 inputs / 6 outputs
6ES72141AD230B8 CPU224 CN DC / DC / DC 14 input / 10 output (16K program and data space)
6ES72141BD230B8 CPU224 CN AC / DC / relay 14 input / 10 output (16K program and data space)
6ES72142AD230B8 CPU224XP CN DC / DC / DC 14 input / 10 output, 2AI / 1AO
 6ES72142BD230B8 CPU224XP CN AC / DC / relay 14 inputs / 10 outputs, 2AI / 1AO
 6ES72162AD230B8 CPU226 CN DC / DC / DC 24 inputs / 16 outputs (26K program and data space)
6ES72162BD230B8 CPU226 CN AC / DC / relay 24 inputs / 16 outputs (26K program and data space)
 Digital I / O Expansion Module
6ES72211BF220A8 EM221 module 8 digital inputs 24VDC input
 6ES72211BH220A8 EM221 digital input module 16 inputs 24VDC
 6ES72221BF220A8 EM222 digital output module 8 outputs 24VDC
 6ES72221HF220A8 EM222 digital output module 8 outputs Relay outputs
6ES72231BF220A8 EM223 digital input / output module, 4 input / 4 output, 24VDC
 6ES72231HF220A8 EM223 digital input / output module, 4 inputs / 4 relay outputs, 24VDC
 6ES72231BH220A8 EM223 digital input / output module, 8 inputs / 8 outputs, 24VDC
 6ES72231PH220A8 EM223 digital input / output module, 8 inputs / 8 relay outputs, 24VDC
 6ES72231BL220A8 EM223 digital input / output module, 16 inputs / 16 outputs 24VDC
 6ES72231PL220A8 EM223 digital input / output module, 16 inputs / 16 relay outputs 24VDC
 6ES72231BM220A8 EM223 digital input / output module, 32 inputs / 32 outputs 24VDC
 6ES72231PM220A8 EM223 digital input / output module, 32 inputs / 32 relay outputs 24VDC
Analog I / O Expansion Module
6ES72317PB220A8 EM231 2 RTD inputs
6ES72317PD220A8 EM231,4 thermocouple inputs
6ES72310HC220A8 EM231 analog input module, enter * 12 4
6ES72320HB220A8 EM232, analog output module, 2 outputs * 12
6ES72350KD220A8 EM235, analog input / output module 4 input / output modules 1 * 12
 CPU module
6ES72110AA230B0 CPU221 DC / DC / DC 6 Input / Output 4
6ES72110BA230B0 CPU221 AC / DC / 6 relay input / output 4
6ES72121AB230B0 CPU222, DC / DC / DC 8 input / output 6
6ES72121BB230B0 CPU222, AC / DC / relay 8 inputs / 6 outputs
6ES72141AD230B0 CPU224, DC / DC / DC 14 input / 10 output (16K program and data space)
6ES72141BD230B0 CPU224, AC / DC / relay 14 input / 10 output (16K program and data space)
6ES72142AD230B0 CPU224XP, DC / DC / DC 14 input / 10 output, 2AI / 1AO
 6ES72142BD230B0 CPU224XP CN AC / DC / relay 14 inputs / 10 outputs, 2AI / 1AO
 6ES72162AD230B0 CPU226, DC / DC / DC 24 inputs / 16 outputs (26K program and data space)
6ES72162BD230B0 CPU226, AC / DC / relay 24 inputs / 16 outputs (26K program and data space)
 Digital I / O Expansion Module
6ES72211BF220A0 EM221 module 8 digital inputs 24VDC input
 6ES72211BH220A0 EM221 digital input module 16 inputs 24VDC
 6ES72211EF220A0 EM221 digital input module 8 inputs (AC 120 / 230VAC)
 6ES72221BF220A0 EM222 digital output module 8 outputs 24VDC
 6ES72221EF220A0 EM222 digital output module 8 outputs (AC 120 / 230VAC)
6ES72221HF220A0 EM222 digital output module 8 outputs Relay outputs
6ES72221BD220A0 EM222 digital output module 4 outputs 24VDC-5A
 6ES72221HD220A0 EM222 Digital Output Module 4 output relays -10A
 6ES72231BF220A0 EM223 digital input / output module, 4 input / 4 output, 24VDC
 6ES72231HF220A0 EM222 digital output module 8 outputs Relay outputs
6ES72231BH220A0 EM223 digital input / output module, 8 inputs / 8 outputs, 24VDC
 6ES72231PH220A0 EM223 digital input / output module, 8 inputs / 8 relay outputs, 24VDC
 6ES72231BL220A0 EM223 digital input / output module, 16 inputs / 16 outputs 24VDC
 6ES72231PL220A0 EM223 digital input / output module, 16 inputs / 16 relay outputs 24VDC
 6ES72231BM220A0 EM223 digital input / output module, 32 inputs / 32 outputs 24VDC
 6ES72231PM220A0 EM223 digital input / output module, 32 inputs / 32 relay outputs 24VDC
Analog I / O Expansion Module
6ES72317PD220A0 EM231,8 thermocouple inputs
6ES72317PF220A0 EM231,4 thermocouple inputs
6ES72317PB220A0 EM231 2 RTD inputs
6ES72317PC220A0 EM231 4 inputs RTD
6ES72310HC220A0 EM231 analog input module, 4 inputs
6ES72310HF220A0 EM231 analog input module, 8 inputs
6ES72320HB220A0 EM232, analog output module, 2 outputs
6ES72320HD220A0 EM232, analog output module, 4 outputs
6ES72350KD220A0 EM235, analog input / output module 4 input / output modules 1 * 12
Communication Module
6ES72770AA220A0 EM277 PROFIBUS-DP module
6ES72411AA220A0 EM 241 modem module
6ES72531AA220A0 EM 253 positioning module
6GK72431EX010E0 CP243-1 and CP243-1 IT Ethernet module
 Fitting
6ES72918GF230A0 MC291, S7-200 CPU memory cartridges, 64 KB
 6ES72918GH230A0 MC291, S7-200 CPU memory cartridge, 256KB
 6ES72971AA230A0 new CPU 221 and 222 clock card (including battery card): New clock card can only work in a new generation of CPU, the new clock card does not work in the second-generation CPU, the original clock card does not work with the new generation CPU.
6ES72906AA200A0 extension cable, I / O expansion, 0.8 m, CPU 22x / EM
 6ES72918BA200A0 BC 293 S7-200CPU battery compartment (lithium battery CPU22X series)
6ES79013CB300A0 programming communication cable, serial, PC / PPI, RS232 / 485 converter with optical isolation, the maximum baud rate of 187.5K, support multi-master
6ES79013DB300A0 programming communication cable, USB interface, PC / PPI, USB / RS485 converter with optical isolation, the maximum baud rate of 187.5K, support multi-master
6ES79010BF000AA0 MPI cable (communication cable)
6ES79011BF000A0 HMI / PC connection cable 5 m with line 232 with 972-0CA23
6ES79720AA010A0 RS-485 IP 20 repeater isolation
6ES79720BA120A0 PROFIBUS bus connector, RS485,90 of qualifying, no programming interfaces
6ES79720BB120A0 PROFIBUS bus connector, RS485,90 degree outlet that programming interface
6ES79720BA410A0 PROFIBUS bus connector, RS485,45 of qualifying, no programming interfaces
6ES79720BB410A0 PROFIBUS bus connector, RS485,45 degree outlet that programming interface
6ES79720BA500A0 PROFIBUS bus connector, RS485,90 of qualifying, no programming interface, fast connection
6ES79720BB500A0 PROFIBUS bus connector, RS485,90 degree outlet that programming interface, fast connection TAG：