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Datasheet generated 2026-10-07
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Siemens SIMATIC S7-1200 G2 CPU 1212FC, DC/DC/DC, 8DI/6DQ (6ES7212-1AF50-0XB0)

Siemens · Control & Automation · PLCs · Germany · siemens.com
Part Number
6ES7212-1AF50-0XB0  ·  HS 8537.10
Siemens SIMATIC S7-1200 G2 CPU 1212FC, DC/DC/DC, 8DI/6DQ (6ES7212-1AF50-0XB0)

Siemens 6ES7212-1AF50-0XB0 — SIMATIC S7 automation module. Compact controller or expansion module for the S7-1200 or S7-1500 PLC platform. SIMATIC S7-1200 G2: failsafe compact CPU 1212FC DC/DC/DC; power supply: DC 20.4-28.8 V DC; onboard In.

Technical Specifications

Manufacturer part number (MPN)6ES7212-1AF50-0XB0 EAN / GTIN: 4047623414780 Sales unit: pcs Product type designation: CPU 1212FC DC/DC/DC Firmware version: V4.1 Current consumption (rated value): 125 mA; CPU only Current consumption, max.: 700 mA; CPU with all expansion modules Inrush current, max.: 12 A; at 28.8 V DC 24 V encoder supply — Output current, max.: 300 mA Power loss, typ.: 3 W Work memory — integrated: 700 kbyte Work memory — integrated (for program): 200 kbyte Work memory — integrated (for data): 500 kbyte Load memory — integrated: 8 Mbyte OB — Number of cyclic interrupt OBs: 20; with minimum OB 3x cycle of 1 ms Retentive data area (incl. timers, counters, flags), max.: 20 kbyte I/O address area — Inputs: 1 kbyte; All inputs are in the process image I/O address area — Outputs: 1 kbyte; All outputs are in the process image Process image — Inputs, adjustable: 1 kbyte Process image — Outputs, adjustable: 1 kbyte Input voltage — Rated value (DC): 24 V Input voltage — for signal "0": 5 V DC or 0.5 mA Input voltage — for signal "1": 15 V DC at 2.5 mA For standard inputs — parameterizable: 0.1 / 0.2 / 0.4 / 0.8 / 1.6 / 3.2 / 6.4 / 10.0 / 12.8 / 20.0 μs; 0.05 / 0.1 / 0.2 / 0.4 / 0.8 / 1.6 / 3.2 / 6.4 / 10.0 / 12.8 / 20.0 ms For standard inputs — at "0" to "1", min.: 0.1 µs For standard inputs — at "0" to "1", max.: 20 µs Cable length — shielded, max.: 500 m; 50 m for technological functions Cable length — unshielded, max.: 300 m; for technological functions: No Number of digital outputs: 6; 20 kHz or 100 kHz Number of digital outputs — of which high-speed outputs: 4; 100 kHz (Qa.0 - Qa.3) Limitation of inductive shutdown voltage to: L+ (-40 V) Switching capacity of the outputs — with resistive load, max.: 0.5 A Switching capacity of the outputs — on lamp load, max.: 5 W Output voltage — for signal "0", max.: 0.1 V; with 10 kOhm load Output voltage — for signal "1", min.: 20 V Output current — for signal "1" rated value: 0.5 A Output delay with resistive load — "0" to "1", max.: 1 µs; of the pulse outputs (Q a.0 to Q a.3), max. 1.0 µs; of the standard outputs (Qa.4 to Qa.5), max. 50 µs; Output delay with resistive load — "1" to "0", max.: 3 µs; of the pulse outputs (Q a.0 to Q a.3), max. 3.0 µs; of the standard outputs (Qa.4 to Qa.5), max. 200 µs; Switching frequency — of the pulse outputs, with resistive load, max.: 100 kHz; 100 kHz max. (Qa.0 - Qa.3), 20 kHz max. (Qa.4 - Qa.5) Interface types — Transmission rate, max.: 100 Mbit/s Number of connections — overall: PG Connections: 4 reserved; HMI Connections: 4 reserved / 82 max; S7 Connections: 78 max; Open User Connections: 78 max; Web Connections: 2 reserved / 80 max; Total Connections: 10 reserved / 88 max Traces — Memory size per trace, max.: 512 kbyte Counter — Counting frequency, max.: 100 kHz; Ia.0 to Ia.5: 100 kHz (80 kHz in quadrature mode) Ia.6 to Ia.7: 30 kHz (20 kHz in quadrature mode) Limit frequency (pulse): 100 kHz Potential separation digital inputs — Potential separation digital inputs: Yes; field side to logic: 707 V DC (type test) Interference immunity against discharge of static electricity — Test voltage at air discharge: 8 kV Interference immunity against discharge of static electricity — Test voltage at contact discharge: 6 kV Free fall — Fall height, max.: 0.3 m; five times, in product package Ambient temperature during operation — min.: -20 °C; No condensation Ambient temperature during operation — max.: 40 °C; at max. voltages and max. specifications Ambient temperature during operation — horizontal installation, min.: -20 °C; No condensation Ambient temperature during operation — horizontal installation, max.: 60 °C; at rated voltages, 50 % of max. specification and alternate IO active Ambient temperature during operation — vertical installation, min.: -20 °C; No condensation Ambient temperature during operation — vertical installation, max.: 50 °C; at rated voltages, 50 % of max. specification and alternate IO active Ambient temperature during storage/transportation — min.: -40 °C Ambient temperature during storage/transportation — max.: 70 °C Altitude during operation relating to sea level — Installation altitude, min.: -1 000 m Altitude during operation relating to sea level — Installation altitude, max.: 5 000 m; Restrictions for installation altitudes > 2 000 m, see manual Relative humidity — Operation, max.: 95 %; no condensation Dimensions — Width: 70 mm Dimensions — Height: 125 mm Dimensions — Depth: 100 mm Weight, approx.: 319 g Width: 70 mm Model: Compact Height: 125 mm Depth: 100 mm With display: No Suitable for safety functions: Yes Number of digital inputs: 8 Voltage type (supply voltage): DC Memory size: 700 kByte Processing time (1K, binary operation): 37 ms Supporting protocol for LON: No Number of HW-interfaces industrial Ethernet: 1 With optical interface: No Additional program memory possible: No Supporting protocol for TCP/IP: Yes Supporting protocol for ASI: No Supporting protocol for PROFIBUS: No Supporting protocol for CAN: No Supporting protocol for INTERBUS: No Supporting protocol for KNX: No Supporting protocol for Modbus: Yes Supporting protocol for Data-Highway: No Supporting protocol for DeviceNet: No Supporting protocol for SUCONET: No Supporting protocol for other bus systems: No Redundancy: No Suitable for rail mounting: Yes Explosion safety category for gas: ATEX gas-ex-protection, Cat. 3G Explosion safety category for dust: None System accessory: Yes Appendant operation agent (Ex ia): No Supporting protocol for SERCOS: No Supporting protocol for INTERBUS-Safety: No Number of interfaces PROFINET: 1 Front built-in possible: No Rack-assembly possible: No Wall mounting/direct mounting: Yes Radio standard Bluetooth: No Radio standard WLAN 802.11: No IO link master: No Performance level according to EN ISO 13849-1: Level e Supporting protocol for AS-Interface Safety at Work: No Supporting protocol for DeviceNet Safety: No Supporting protocol for EtherNet/IP: No Supporting protocol for Foundation Fieldbus: No Supporting protocol for PROFINET CBA: No Supporting protocol for PROFINET IO: Yes Supporting protocol for PROFIsafe: Yes Supporting protocol for SafetyBUS p: No Supply voltage DC: 20.4–28.8 V Radio standard GPRS: No Radio standard GSM: No Mobile communications standard 3G (UMTS): No SIL according to IEC 61508: 3 Mobile communications standard 4G (LTE): No Supporting protocol for EtherCAT: No Country of origin: China

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