Siemens S7-400PLC Specifikace Strana 172

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Digital modules
4.20 Digital output module SM 422; DO 16 x AC 20-120 V/2 A (6ES7422-5EH00-0AB0)
S7-400 Automation System Module Data
172 Reference Manual, Edition 09/2009, A5E00850736-06
Actuator selection data
Output voltage
With "1" signal
L1 (-1.5 Vrms)
Output current
With "1" signal
Nominal value
Permissible range
Permissible inrush current (per group)
2 A
100 mA
to 2 A
Maximum 20 A / 2 cycle
With "0" signal (residual current)
Max. 2.5 mA at 30 V
Max. 4.5 mA at 132 V
Output delay (resistive load)
At "0" to "1" transitions
1 ms
With "1" to "0"
1 AC cycle
Zero transition Non-zero cross outputs
Size of the motor starter Max. size 5 to NEMA
Lamp load Max. 50 W
Wiring two outputs in parallel
For redundant load control
Supported (only outputs of the same group)
For performance increase
Not supported
Triggering a digital input Supported
Switching frequency
With resistive load
Max. 10 Hz
With inductive load in accordance with IEC 947-5-
1, 13 DC
Max. 0.5 Hz
With lamp load
Max. 1 Hz
Short-circuit protection of the output Fuse 8A/125 V 2AG (per output)
Fuse-tripping current
Min. 40 A
Response time
Typ. 33 ms
Replacement fuses
Littelfuse
8 A fuse, fast-blowing
225.008
Changing fuses
WARNING
This can result in injury.
If you change a fuse without removing the front connector of the module, you could be
injured by an electric shock.
Consequently, always remove the front connector before you change the fuse.
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