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SIEMENS INDUSTRIAL AUTOMATION
Siemens 6ES7422-1BH11-0AA0 S7-400 SM 422 Digital Output Module
A SIMATIC S7-400 isolated digital output module with sixteen 24 V DC channels.
CONTROL ROLE
High-density S7-400 output control
The SM 422 provides sixteen isolated digital outputs for an S7-400 station.
SeriesSIMATIC S7-400
ConditionNew Original
WarrantyOne year
AvailabilityIn stock
Detailed product description
SM 422 DO 16x24 V DC/2 A
The SM 422 provides sixteen isolated digital outputs for an S7-400 station. Its 2 A channels are arranged in isolated groups and drive industrial actuators from a 24 V DC load supply.
ENGINEERING FOCUS
Sixteen isolated outputs
2 A switching capacity
Long field-cable support
Official technical data
| Digital outputs |
16 |
Rated voltage |
24 V DC |
| Output current |
2 A |
Channel isolation |
Yes |
| Isolation groups |
8 channels per group |
Backplane isolation |
Yes |
| Shielded cable |
1000 m max. |
Unshielded cable |
600 m max. |
Safety & Compliance
Isolation test500 V DC
Potential difference75 V DC / 60 V AC
RoHS statusCompliant since 01 Mar 2008
DiagnosticsNo diagnostic function
Performance & Efficiency
Output density16 channels
Current per output2 A
Group structure2 isolated groups
Field cableUp to 1000 m shielded
Sixteen isolated outputs
2 A switching capacity
Long field-cable support
Brand characteristics
Siemens industrial automation products combine documented engineering data, coordinated platform design and structured lifecycle support.
Documented platformOfficial order numbers and engineering data
Coordinated systemsMatched controller and I/O families
Lifecycle supportStructured maintenance and replacement paths
Application fields
A SIMATIC S7-400 isolated digital output module with sixteen 24 V DC channels.
Process plantsS7-400 actuator control
Large machinesValves, contactors and lamps
System serviceS7-400 output replacement
Installation & upgrade: Isolate power, verify the complete article number and compatible system configuration, then follow the applicable Siemens device manual before commissioning.
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Company service process
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