The SIMATIC S7-1200 CPU 1217C (DC/DC/DC) is a compact controller featuring 14 digital inputs (10x 24V DC, 4x RS422/485) and 10 digital outputs (6x 24V DC, 4x RS422/485), along with 2 analog inputs (0-10V DC) and 2 analog outputs (0-20mA). It has a 250 KB program/data memory, operates on a 20.4-28.8 V DC power supply, and includes two PROFINET ports for communication.
| Specification | Details |
|---|---|
| Product Type | Compact CPU 1217C DC/DC/DC |
| Order Number | 6ES7217-1AG40-0XB0 |
| Memory | 250 KB for program and data |
| Programming Software | STEP 7 V13 SP1 or higher |
| Processing Speed | 0.08 μs per binary operation |
| Onboard I/O | |
| Digital Inputs | 14 (10 DI 24V DC, 4 DI RS-422/485) |
| Digital Outputs | 10 (6 DO 24V DC @ 0.5A, 4 DO RS-422/485) |
| Analog Inputs | 2 (0–10V DC) |
| Analog Outputs | 2 (0–20mA) |
| Communication and Expansion | |
| Integrated Ports | 2 × PROFINET with integrated switch |
| Supported Protocols | PROFINET IO, S7 communication, TCP/IP, ISO-on-TCP, UDP, Modbus |
| Expansion Options | Up to 8 SM, 3 CM, 1 SB or BB |
| Electrical and Mechanical Data | |
| Power Supply | 20.4–28.8V DC |
| Rated Voltage | 24V DC |
| Dimensions (W × H × D) | 150 × 100 × 75 mm |
| Mounting | DIN rail or direct mounting |
| Weight | ≈ 0.486 kg |
| Protection Rating | IP20 |
| Operating Temperature | -20°C to +60°C |
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