Technical Summary
| Product type | SIMATIC S7-400, digital output SM 422 |
|---|---|
| Model | 6ES7422-1FH00-0AA0 |
| Number of digital outputs | 16 |
| Output current for signal "1" rated value | 2 A |
| Rated value (AC) | 230 V; 120/230 V AC |
| Permissible frequency range, lower limit | 47 Hz |
| Permissible frequency range, upper limit | 63 Hz |
| Short-circuit protection | Yes; Clocked electronically: Following a short-circuit, reclosing under a full load cannot be ensured. Countermeasures: change the signal at the output or interrupt the load voltage of the module. Briefly disconnect the load from the output. |
| Potential separation digital outputs | Yes |
| Potential separation between the channels, in groups of | 4 |
| Isolation tested with | 1 500 V AC |
Key Features
SIMATIC S7-400 SM 422 digital output module
Digital output module for the SIMATIC S7-400 series.
Digital output module for the SIMATIC S7-400 series.
16 isolated digital outputs
Provides 16 DO with potential separation between the channels and between the channels and backplane bus.
Provides 16 DO with potential separation between the channels and between the channels and backplane bus.
120/230 V AC load voltage
Rated value (AC): 230 V; 120/230 V AC.
Rated value (AC): 230 V; 120/230 V AC.
2 A output current
Output current for signal "1" rated value: 2 A.
Output current for signal "1" rated value: 2 A.
Short-circuit protection
Short-circuit protection: Yes; Clocked electronically.
Short-circuit protection: Yes; Clocked electronically.
Compact module dimensions
Width 25 mm, height 290 mm, depth 210 mm.
Width 25 mm, height 290 mm, depth 210 mm.
Applications
Digital output control
Use for switching 16 digital outputs in a SIMATIC S7-400 system.
Use for switching 16 digital outputs in a SIMATIC S7-400 system.
AC load switching
Use for controlling AC loads with a 120/230 V AC load-voltage rating and 2 A output current.
Use for controlling AC loads with a 120/230 V AC load-voltage rating and 2 A output current.
Redundant load control
Use for parallel switching of two outputs for redundant control of a load, with the same load voltage.
Use for parallel switching of two outputs for redundant control of a load, with the same load voltage.
Frequently Asked Questions
What is Siemens 6ES7422-1FH00-0AA0?
It is a SIMATIC S7-400 digital output SM 422 module.
How many digital outputs does 6ES7422-1FH00-0AA0 provide?
It provides 16 digital outputs.
What output current is specified for signal "1"?
The rated output current for signal "1" is 2 A.
What load-voltage rating is specified for this module?
The rated value is 230 V; 120/230 V AC.
What are the module dimensions?
Width 25 mm, height 290 mm, depth 210 mm.
