Siemens S7-400PLC Especificações descarregar pdf (Página 158)

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Digital modules

4.17 Digital output module SM 422; DO 32 x DC 24 V/0.5 A (6ES7422-7BL00-0AB0)

S7-400 Automation System Module Data

158 Reference Manual, Edition 09/2009, A5E00850736-06

Monitoring of

 Short-circuit

> 1 A (typ.)

 Wire break

< 0.15 mA

Injection of substitution values Yes

Actuator selection data

Output voltage

 With "1" signal

Min. L + (-0.8 V)

Output current

 For signal "1"

Rated value

Permissible range

0.5 A

5 mA up to 600 mA

 With "0" signal (residual current)

Max. 0,5 mA

Load resistance range 48 to 4 kΩ

Wiring two outputs in parallel

 For redundant load control

Supported (only outputs of the same

group)

 For performance increase

Supported (only outputs of the same

group)

Triggering a digital input Supported

Switching frequency

 With resistive load

Max. 100 Hz

 With inductive load in accordance with IEC 947-5-1,

DC 13

Max. 2 Hz

 With lamp load

Max. 2 Hz

Internal limiting of the inductive shutdown voltage to Typ. L + (- 45 V)

Short-circuit protection of the output

 Threshold

Electronically cyclic

Typ. 0.75 A to 1.5 A

Time, Frequency

Internal preparation time between backplane bus and input of the output driver

Up to hardware release 03

 Independent of enable diagnostics/diagnostic interrupt/

substitute value

Max. 100 µs

Up to hardware release 04

 Without enable diagnostics/diagnostic interrupt/

substitute value

Max. 60 µs

 With enable diagnostics/diagnostic interrupt/ substitute

value

Max. 100 µs

The switching time of the output driver is added to the overall runtime on the module (< 100 µs for

resistive load)

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