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simatic s7-300 - megaelektrik.net

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SIMATIC S7-400<br />

Central processing units<br />

CPU 412-1 to CPU 417-4<br />

■ Technical specifications (continued)<br />

6ES7 416-2XK04-0AB0 6ES7 416-3XL04-0AB0 6ES7 417-4XL04-0AB0<br />

Time<br />

Clock<br />

- Hardware clock (realtime clock) Yes Yes Yes<br />

- buffered Yes Yes Yes<br />

- Triggering 1 ms 1 ms 1 ms<br />

Run-time meter<br />

- Quantity 8 8 8<br />

5<br />

Time synchronization<br />

- supported Yes Yes Yes<br />

- on MPI, master Yes Yes Yes<br />

- on MPI, slave Yes Yes Yes<br />

- on DP, master Yes Yes Yes<br />

- on DP, slave Yes Yes Yes<br />

- in AS, master Yes Yes Yes<br />

- in AS, slave Yes Yes Yes<br />

- on IF 964 DP Yes; as Master or Slave Yes; as Master or Slave<br />

S7 message functions<br />

• Number of stations that can log 12 12 16<br />

on for message functions, max.<br />

• Symbol-related messages Yes Yes Yes<br />

Number of messages<br />

- total, max. 1,024 1,024 1,024<br />

• Block-related messages Yes Yes Yes<br />

• Alarm 8 blocks Yes Yes Yes<br />

•Statuses Yes Yes Yes<br />

Test and startup functions<br />

Status/modify<br />

- Variable Yes Yes Yes<br />

Forcing<br />

- Forcing Yes Yes Yes<br />

• Status block Yes Yes Yes<br />

• Single step Yes Yes Yes<br />

• Number of breakpoints 4 4 4<br />

Diagnostic buffer<br />

- available Yes Yes Yes<br />

- Number of inputs, max. 3,200 3,200 3,200<br />

- adjustable Yes Yes Yes<br />

- preset 120 120 120<br />

Communication functions<br />

• PG/OP communication Yes Yes Yes<br />

• Routing Yes Yes<br />

Global data communication<br />

- supported Yes Yes Yes<br />

- Size of GD packets, max. 64 Byte 64 Byte 64 Byte<br />

S7 basic communication<br />

- supported Yes;<br />

in MPI mode: via SFC X_SEND,<br />

X_RCV, X_GET and X_PUT<br />

in DP master mode: via SFC I_GET<br />

and I_PUT<br />

Yes;<br />

in MPI mode: via SFC X_SEND,<br />

X_RCV, X_GET and X_PUT<br />

in DP master mode: via SFC I_GET<br />

and I_PUT<br />

- User data per job 76 Byte 76 Byte 76 Byte<br />

S7 communication<br />

- supported Yes Yes Yes<br />

- as server Yes Yes Yes<br />

- as client Yes Yes Yes<br />

- User data per job, max. 64 KByte 64 KByte 64 KByte<br />

Yes;<br />

in MPI mode: via SFC X_SEND,<br />

X_RCV, X_GET and X_PUT<br />

in DP master mode: via SFC I_GET<br />

and I_PUT<br />

5/14 Siemens ST 70 · 2005

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