Siemens SIMATIC IPC427C User Manual download pdf (Page 5)

Embedded controller

SIMATIC S7-modular embedded controller

EC31

7/5

Siemens ST 70 · 2011

■

Technical specifications (continued)

Address area

I/O address area

•Overall 16 Kibyte 16 Kibyte 16 Kibyte 16 Kibyte 16 Kibyte

•Outputs 16 Kibyte 16 Kibyte 16 Kibyte 16 Kibyte 16 Kibyte

• of which,

distributed

-Inputs 8Kibyte

-Outputs 8Kibyte

Process image

• Inputs, adjustable 16 Kibyte 16 Kibyte 8Kibyte 8Kibyte 8Kibyte

• Outputs,

adjustable

16 Kibyte 16 Kibyte 8Kibyte 8Kibyte 8Kibyte

• Inputs, default

512 byte 512 byte 512 byte 512 byte 512 byte

• Outputs, default 512 byte 512 byte 512 byte 512 byte 512 byte

Subprocess images

•Number of

subprocess

images, max.

15 15 15 15 15

Digital channels

•Inputs 128 000 128 000 128 000 128 000 128 000

•Outputs 128 000 128 000 128 000 128 000 128 000

Analog channels

•Inputs 8000 8000 8000 8000 8000

•Outputs 8000 8000 8000 8000 8000

Time

Clock

• Hardware clock

(real-time clock)

Yes; Resolution:

Clock synchroni-

zation

• supported Yes Yes Yes Yes Yes

• on Ethernet via NTP Yes Yes Yes Yes Yes

S7 message

functions

Number of login

stations for message

functions, max.

62; The alarm

functions cannot

currently be used

for central bus

modules

62; The alarm

functions cannot

currently be used

for central bus

modules

62; The alarm

functions cannot

currently be used

for central bus

modules

62; The alarm

functions cannot

currently be used

for central bus

modules

62; The alarm

functions cannot

currently be used

for central bus

modules

Process diagnostic

messages

Yes; Alarm_S Yes; Alarm_S Yes; Alarm_S Yes; Alarm_S Yes; Alarm_S

Test commissi-

oning functions

Status/control

• Status/control

variable

Yes Yes Yes Yes Yes

Forcing

• Forcing No No No No No

Diagnostic buffer

• present Yes Yes Yes Yes Yes

Monitoring

functions

Status LEDs Yes Yes Yes Yes Yes

6ES7 677-1DD10-

0BA0

6ES7 677-1DD10-

0BB0

6ES7 677-1FD00-

0FB0

6ES7 677-1DD10-

0BF0

6ES7 677-1DD10-

0BG0

6ES7 677-1DD10-

0BH0

1 2 3 4 5 6 7 8 9 10 ... 27 28

Embedded controller 1

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