Exact product identification
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Siemens SIMATIC S7-1200 SM 1223 8 DI / 8 Relay DO 6ES7223-1PH32-0XB0
6ES7223-1PH32-0XB0
SIMATIC S7-1200 SM 1223 digital I/O signal module with eight 24 V DC sink/source inputs and eight relay outputs rated at 2 A.
- Availability
- In Stock
- Condition
- New Original
- SKU
- 6ES7223-1PH32-0XB0
- Lifecycle
- Active
12 months warranty
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Technical specifications
Verified Siemens technical and ordering data for article number 6ES7223-1PH32-0XB0.
- Siemens article number
6ES7223-1PH32-0XB0
- Product type
SM 1223 DI 8x24 V DC, DQ 8x relay
- Product family
SM 1223 digital input/output modules
- Controller platform
SIMATIC S7-1200 Classic
- Product lifecycle
PM300: Active Product; phase-out effective 2026-11-01
- EAN
6940408101999
- Degree of protection
IP20
- Supply voltage
24 V DC
- Permissible supply range
20.4–28.8 V DC
- Backplane bus current at 5 V DC, maximum
145 mA
- Typical power loss
5.5 W
- Number of digital inputs
8
- Input circuit type
24 V DC sink/source
- Signal 0 threshold
5 V DC at 1 mA
- Signal 1 threshold
15 V DC at 2.5 mA
- Input current for signal 1, typical
4 mA/channel
- Configurable input delay
0.2, 0.4, 0.8, 1.6, 3.2, 6.4 or 12.8 ms; selectable in groups of four
- Number of relay outputs
8
- Rated output current
2 A
- Relay contact voltage range, DC
5–30 V DC
- Relay contact voltage range, AC
5–250 V AC
- Switching capacity, resistive load
2 A maximum
- Switching capacity, inductive load
2 A maximum
- Switching capacity, lamp load
30 W DC / 200 W AC maximum
- Mechanical operating cycles
10 million maximum
- Operating cycles at rated load
100,000 maximum
- Required front connector
Yes
- Mounting context
SIMATIC S7-1200 signal-module position on DIN rail
- Field wiring check
Match the input circuit, relay contact voltage, load type, current demand and terminal assignment
- Width
45 mm
- Height
100 mm
- Depth
75 mm
- Approximate weight
230 g
- Operating temperature
-20 to 60 °C
- Storage and transport temperature
-40 to 70 °C
Confirm the complete manufacturer part number and target system requirements before ordering or replacing an installed component.
SIMATIC S7-1200 Classic platform
Platform This SM 1223 is an S7-1200 signal module used to add eight 24 V DC digital inputs and eight relay outputs to a compatible S7-1200 station.
Input wiring, relay loads and front connector
Installation Confirm sink/source input wiring, relay contact voltage, load type and current, suppression requirements and the required front connector against Siemens documentation.
Selection and replacement checks
For a replacement, match the complete 6ES7223-1PH32-0XB0 article number and verify input wiring, relay contact ratings, channel mapping, terminal assignment and hardware configuration before installation.
Downloads and documentation
Official Siemens documentation for this exact order number and its S7-1200 platform.
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Condition options
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Documentation support
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Product questions
Key checks for Siemens 6ES7223-1PH32-0XB0 before ordering or replacement.
What I/O does 6ES7223-1PH32-0XB0 provide?
The SM 1223 module provides eight sink/source digital inputs for 24 V DC signals and eight relay outputs rated at 2 A.
Which load voltages can the relay contacts switch?
Siemens specifies contact voltage ranges of 5 to 30 V DC and 5 to 250 V AC, subject to the documented load and switching limits.
What relay operating life is specified?
Siemens lists up to 10 million mechanical operating cycles and up to 100,000 cycles at rated load. Actual service life depends on the connected load and switching conditions.
What should be checked when replacing this module?
Match the complete article number and verify the S7-1200 hardware configuration, sink/source input wiring, relay voltage and load type, channel mapping, terminal assignment and required front connector.
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