Siemens Simatic M7-400 Manual do Utilizador descarregar pdf (Página 78)

SIMATIC S7-400

Function modules

FM 450-1 counter module

6/78

Siemens ST 70 · 2013

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Technical specifications (continued)

Encoder

Connectable encoders

• Incremental encoder (symmetrical) Yes; With 2 pulse trains offset by 90°

• Incremental encoder (asymmetrical)

Yes

• 24 V initiator

Yes

• 24 V directional element

Yes; 1 pulse train, 1 direction level

Counter

Number of counter inputs 2; 32 bit or +/-31 bit

Counter input 5 V

•Type RS 422

• Terminating resistor

220 Ω

• Differential input voltage

min. 0.5 V

• Counting frequency, max.

500 kHz

Counter input 24 V

• Input voltage, for signal "0" -30 to +5 V

• Input voltage, for signal "1"

+11 to +30 V

• Input current, for signal "1", typ.

9mA

• Counting frequency, max.

200 kHz

• Minimum pulse width

>= 2.5 µs (200 kHz); <= 25 µs

(20 kHz) (parameterizable)

Parameter

Remark Assigned binary addresses:

64 bytes/64 bytes

Galvanic isolation

Galvanic isolation digital inputs

• between the channels and the

backplane bus

Yes; Optocoupler

Galvanic isolation digital outputs

• between the channels and the

backplane bus

Yes; Optocoupler

Galvanic isolation counter

• between the channels and the

backplane bus

Yes; Optocoupler

Permissible potential difference

between different circuits 75 VDC / 60 VAC

Isolation

Isolation checked with 500 V

Connection method

required front connector 1x 48-pin

Dimensions

Width 25 mm

Height

290 mm

Depth 210 mm

Weight

Weight, approx. 650 g

6ES7 450-1AP00-0AE0

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Ordering data

Order No.

FM 450-1 counter module 6ES7 450-1AP00-0AE0

with 2 channels, max. 500 kHz;

for incremental encoder

Front connectors

48-pin

• with screw contacts, 1 item 6ES7 492-1AL00-0AA0

• with screw contacts, 84 items 6ES7 492-1AL00-1AB0

• with spring-loaded terminals,

1 item

6ES7 492-1BL00-0AA0

• with crimp contacts, 1 item 6ES7 492-1CL00-0AA0

• with crimp contacts, 84 items 6ES7 492-1CL00-1AB0

Front covers for CPU

and function modules

6ES7 492-1XL00-0AA0

Spare part

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