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| Standard CPUs | New Order Model Number | Old Model Number | ||
| CPU1211C | CPU 1211C DC/DC/DC | 6ES7211-1 AE40-0XB0 | 6ES7211-1 AD30-0XB0 | 6ES7211-1AE31-0XB0 |
| CPU 1211C AC/DC/RLY | 6ES7211-1BE40-0XB0 | 6ES7211-1BD30-0XB0 | 6ES7211-1BE31-0XB0 | |
| CPU1211C DC/DC/RL Y | 6ES7211-1HE40-0XB0 | 6ES7211-1HD30-0XB0 | 6ES7211-1HE31-0XB0 | |
| CPU1212C | CPU1212C DC/DC/DC | 6ES7212-1 AE40-0XB0 | 6ES7212-1AD30-0XB0 | 6ES7212-1AE31-0XB0 |
| CPU 1212C AC/DC/RL _Y | 6ES7212-1BE40-0XB0 | 6ES7212-1BD30-0XB0 | 6ES7212-1BE31-0XB0 | |
| CPU 1212C DC/DC/RLY | 6ES7212-1HE40-0XB0 | 6ES7212-1HD30-0XB0 | 6ES7212-1HE31-0XB0 | |
| CPU 1214C | CPU1214C DC/DC/DC | 6ES7214-1AG40-0XB0 | 6ES72141AE30-0XB0 | 6ES72141AG31 _0XB0 |
| CPU1214C AC/DC/RLY | 6ES7214-1 BG40-0XB0 | 6ES72141BE30-0XB0 | 6ES7214-1 BG31 -0XB0 | |
| CPU1214C DC/DC/RLY | 6ES721 4-1HG40-0XB0 | 6ES72141HE30-0XB0 | 6ES7214-1HG31 _-0XB0 | |
| CPU 1215C | CPU 1215C DC/DC/DC | 6ES7215-1AG40-0XB0 | 6ES7215-1AG31-0XB0 | |
| CPU 1215C AC/DC/RL Y | 6ES7215-1 BG40-0XB0 | 6ES7215-1 BG31-0XB0 | ||
| CPU 1215C DC/DC/RLY I | 6ES7215-1HG40-0XB0 | 6ES7215-1HG31 -0XB0 | ||
| CPU1217C | CPU1217C DC/DC/DC | 6ES7217-1AG40-0XB0 | ||
| Fail-Safe CPUs | New Order Model Number | |||
| CPU1212FC | CPU1212FC DC/DC/DC | 6ES7212-1AF40-0XB0 | ||
| CPU 1212FC DC/DC/RL Y | 6ES7212-1HF40-0XB0 | |||
| CPU 1214FC | CPU 1214FC DC/DC/DC | 6ES7214-1 AF40-0XB0 | ||
| CPU 1214FC DC/DC/RLY | 6ES7214-1HF40-0XB0 | |||
| CPU1215FC | CPU1215FC DC/DC/DC | 6ES7215-1AF40-0XB0 | ||
| CPU 1215FC DC/DC/RL Y | 6ES7215-1HF40-0XB0 | |||
| I/O Modules | New Order Model Number | Old Model Number | ||
| Digital input | SM 1221 8 x24VDC Sink/Source | 6ES7221-1BF32-0XB0 | 6ES7221-1BF30-0XB0 | |
| SM 1221 16×24 VDC Sink/Source | 6ES7221-1BH32 -0XB0 | 6ES7221-1BH30-0XB0 | ||
| Digital Onput | SM 12228×24 VDC transistor | 6ES7222-1BF32-0XB0 | 6ES7222-1BF30-0XB0 | |
| SM 1222 16x24VDC transistor | 6ES7222-1BH320XB0 | 6ES7222 -1BH30-0XB0 | ||
| SM 1222 8 x relay | 6ES7222-1HF32-0XB0 | 6ES7222-1HF 30-0XB0 | ||
| SM 12228 x Relay Changeover contact | 6ES7222-1XF32-0XB0 | 6ES7222-1XF30-0XB0 | ||
| SM 1222 16x relay | 6ES7222-1HH32-0XB0 | 6ES7222-1HH30-0XB0 | ||
| SM 1222 16x24VDC transistor | 6ES7222-1BH32-1XB0 | |||
| digital input/output modules | SM 12238x24VDC Sink/Source 18x24VDC transistor | 6ES7223-1BH32-0XB0 | 6ES7223-1BH30-0XB0 | |
| SM 1223 16×24 VDC Sink/Source /16×24 VDC transistor | 6ES7223-1BL 32-0XB0 | 6ES7223-1BL30-0XB0 | ||
| SM 12238×24 VDC Sink/Source 18x Relay | 6ES7223-1PH32-0XB0 | 6ES7223-1PH30-0XB0 | ||
| SM 1223 16 x24 VDC Sink/Source /16xRelay | 6ES7223-1PL 32-0XB0 | 6ES7223-1PL 30-0XB0 | ||
| SM 1223 16×24 VDC. Sink/Source /16×24 VDC transistor | 6ES7223-1BL 32-1XB0 | |||
| SM 12238x 120/230 VAC. Sink/Source 18 xRelay | 6ES7223-1QH32-0XB0 | 6ES7223-1QH30-0XB0 | ||
| analog input modules | SM 1231 4x analog input | 6ES7231-4HD32-0XB0 | 6ES7231-4HD30-0XB0 | |
| SM 1231 4xanalog input 15 bit+sign bit | 6ES7231-5ND32-0XB0 | 6ES7231-5ND30-0XB0 | ||
| SM 1231 8x analog input | 6ES7231-4HF32-0XB0 | 6ES7231-4HF30-0XB0 | ||
| analog onput modules | SM 12322 x analog Onput | 6ES7232 4HB32-0XB0 | 6ES7232-4HB30-0XB0 | |
| SM 12324x. analog input | 6ES7232-4HD32-0XB0 | 6ES7232-4HD30-0XB0 | ||
| analog input/output modules | SM 12344x analog I/O | 6ES72344HE32-0XB0 | 6ES7234-4HE30-0XB0 | |
| RTD&TC (thermocouple module) | SM 12314xTC Analog input | 6ES7231-5QD32-0XB0 | 6ES7231-5QD30-0XB0 | |
| SM 12318x TC Analog input | 6ES7231-5QF32-0XB0 | 6ES7231-5QF 30-0XB0 | ||
| SM 1231 4 x RTD Analog input | 6ES7231-5PD32-0XB0 | 6ES7231-5PD30-0XB0 | ||
| SM 1231 8xRTD Analog input | 6ES7231-5PF32-0XB0 | 6ES7231-5PF30-0XB0 | ||