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Power output modules производства Siemens

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The power output modules are an important component of the heater control.

Three different power output modules can be used depending on the application:

  • LA716 – the universal version:
    It provides 16 channels for connecting resistive loads. Up to 650 W can be used per output channel.
  • LA716I – the innovative version:
    It also provides 16 channels for connecting resistive loads. Up to 1,150 W can be used per output channel here.
  • LA716I HP – the high-power version:
    It provides 8 channels for connecting resistive loads. Up to 2,300 W can be used per output channel.

LA716 power output module

LA716I power output module

LA716I HP power output module

Type

LA716

LA716I

LA716I HP

Supply voltage

 

 

 

For control unit

Provided internally via the bus module

Power outputs

 

 

 

Number per power output module

16

16

8

Electrical isolation

 

 

 

  • To the control unit

By means of opto-triac and optocoupler specified according to EN 60747-5-2

  • Of power outputs from each other

no

no

no

Load voltage

 

 

 

  • Rated value

230 V AC

230 V AC

230 V AC

  • Permissible range

187 ... 264 V (TN system)

187 ... 264 V (TN system)

187 ... 264 V (TN system)

  • Frequency

50/60 Hz (47 ... 63 Hz)

50/60 Hz (47 ... 63 Hz)

50/60 Hz (47 ... 63 Hz)

Output voltage

Full waves switched during the zero crossover

Output current per phase, max.

23 A

32 A

32 A

Output current per output

 

 

 

  • Rated value

2.8 A

5 A

10 A

  • Permissible range

0.1 to 2.8 A

0.1 to 5 A

0.1 to 10 A

  • Residual current

≤ 10 mA

≤ 10 mA

≤ 10 mA

Switching capacity per channel at 230 V, max.

650 W

1,150 W

2,300 W

Resolution at the power outputs

1%

1%

1%

Loads

 

 

 

  • Load type

Resistive load with a maximum of 15 times the cold current in the first half wave. (In the case of flash emitters, this can lead to a reduction of the permissible switching capacity. These emitters can be measured at Siemens.)

  • Overload

5 times the rated current for 20 ms

Protective measures

 

 

 

  • Thermal monitoring

Yes (by NTC thermistor)

Yes (by NTC thermistor)

Yes (by NTC thermistor)

  • Response threshold

-93 °C ±5 K

-93 °C ±5 K

-93 °C ±5 K

  • Short-circuit protection

One fast blow 5 A/250 V fuse per output

One fast blow 5 A/250 V fuse per output

One fast blow 10 A/250 V fuse per output

  • Overvoltage protection

Yes

Yes

Yes

Connecting cables

 

 

 

  • Resistance Rmax.

14 Ω (to guarantee continued short-circuit protection)

14 Ω (to guarantee continued short-circuit protection)

14 Ω (to guarantee continued short-circuit protection)

Mechanical data

 

 

 

Degree of protection according to DIN 40050

IP00

IP00

IP00

Dimensions (W x H x D)

31 mm x 233.4 mm x 250 mm

31 mm x 233.4 mm x 252 mm (without mating connector)

31 mm x 233.4 mm x 252 mm (without mating connector)


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