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Datasheet generated 2026-10-07
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Siemens SIMATIC S7-1200 CPU 1212C, DC/DC/Relay, 8DI/6DO/2AI (6ES7212-1HE40-0XB0)

Siemens · Control & Automation · PLCs · Germany · siemens.com
Part Number
6ES7212-1HE40-0XB0  ·  HS 8536.90
Siemens SIMATIC S7-1200 CPU 1212C, DC/DC/Relay, 8DI/6DO/2AI (6ES7212-1HE40-0XB0)

Siemens 6ES7212-1HE40-0XB0 — SIMATIC S7 automation module. Compact controller or expansion module for the S7-1200 or S7-1500 PLC platform. Simatic S7-1200, CPU 1212C, Compact-CPU, 8 DI 24V DC; 6 DO Relay 0,5A; 2 AI 0 - 10V DC.

Technical Specifications

Manufacturer part number (MPN)6ES7212-1HE40-0XB0
EAN / GTIN4047623402718
HS code8536.90
Sales unitpcs
Product type designationCPU 1212C DC/DC/relay
Firmware versionV4.7
Permissible range, lower limit (DC)20.4 V
Permissible range, upper limit (DC)28.8 V
Load voltage L+ — Rated value (DC)24 V
Load voltage L+ — permissible range, lower limit (DC)20.4 V
Load voltage L+ — permissible range, upper limit (DC)28.8 V
Current consumption (rated value)400 mA; CPU only
Current consumption, max.1 200 mA; CPU with all expansion modules
Inrush current, max.12 A; at 28.8 V
I²t0.8 A²·s
For backplane bus (5 V DC), max.1 000 mA; Max. 5 V DC for SM and CM
24 V encoder supply — 24 VL+ minus 4 V DC min.
Power loss, typ.9 W
Work memory — integrated100 kbyte
Load memory — integrated2 Mbyte
For bit operations, typ.0.08 µs; / instruction
For word operations, typ.1.7 µs; / instruction
For floating point arithmetic, typ.2.3 µs; / instruction
Number of blocks (total)DBs, FCs, FBs, counters and timers. The maximum number of addressable blocks ranges from 1 to 65535. There is no restriction, the entire working memory can be used
Retentive data area (incl. timers, counters, flags), max.14 kbyte
Flag — Size, max.4 kbyte; Size of bit memory address area
Local data — per priority class, max.16 kbyte; Priority class 1 (program cycle): 16 KB, priority class 2 to 26: 6 KB
Process image — Inputs, adjustable1 kbyte
Process image — Outputs, adjustable1 kbyte
Number of modules per system, max.3 comm. modules, 1 signal board, 2 signal modules
Input voltage — Rated value (DC)24 V
Input voltage — for signal "0"5 V DC at 1 mA
Input voltage — for signal "1"15 V DC at 2.5 mA
For standard inputs — parameterizable0.1 / 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.0.2 ms
For standard inputs — at "0" to "1", max.12.8 ms
Cable length — shielded, max.500 m; 50 m for technological functions
Cable length — unshielded, max.300 m; for technological functions: No
Switching capacity of the outputs — with resistive load, max.2 A
Switching capacity of the outputs — on lamp load, max.30 W with DC, 200 W with AC
Output delay with resistive load — "0" to "1", max.10 ms; max.
Output delay with resistive load — "1" to "0", max.10 ms; max.
Number of connections — overallPG Connections: 4 reserved / 4 max; HMI Connections: 12 reserved / 18 max; S7 Connections: 8 reserved / 14 max; Open User Connections: 8 reserved / 14 max; Web Connections: 2 reserved / 30 max; OPC UA Connections: 0 reserved / 10 max; To...
Traces — Memory size per trace, max.512 kbyte
Counter — Counting frequency, max.100 kHz
Potential separation digital inputs — Potential separation digital inputs500 V AC for 1 minute
Interference immunity against discharge of static electricity — Test voltage at air discharge8 kV
Interference immunity against discharge of static electricity — Test voltage at contact discharge6 kV
Free fall — Fall height, max.0.3 m; five times, in product package
Ambient temperature during operation — min.-20 °C
Ambient temperature during operation — max.60 °C; Number of simultaneously activated inputs or outputs 4 or 3 (no adjacent points) at 60 °C horizontal or 50 °C vertical, 8 or 6 at 55 °C horizontal or 45 °C vertical
Ambient temperature during operation — horizontal installation, min.-20 °C
Ambient temperature during operation — horizontal installation, max.60 °C
Ambient temperature during operation — vertical installation, min.-20 °C
Ambient temperature during operation — vertical installation, max.50 °C
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 — Width90 mm
Dimensions — Height100 mm
Dimensions — Depth75 mm
Weight, approx.385 g

Properties

MOQ1

Cross-References

Attached Documents