simatic s7-300 - megaelektrik.net

4
SIMATIC S7-300
Central processing units
CPU 312C to CPU 317F-2 DP
■ Technical specifications (continued)
6ES7 317-
2EJ10-0AB0
6ES7 317-
6TJ10-0AB0
Process image
- Inputs 256 Byte 256 Byte
-Outputs
256 Byte 256 Byte
- Inputs, adjustable
2,048 KByte
- Outputs, adjustable 2,048 KByte
- Inputs, preset 256 Byte
- Outputs, preset 256 Byte
Digital channels
- Inputs 65,536 65,636
-Outputs
65,536 65,636
- Inputs, of which central 1.024 256
- Outputs, of which central
1.024 256
Analog channels
- Inputs 4,096 4,096
-Outputs
4,096 4,096
- Inputs, of which central
256 64
- Outputs, of which central
256 64
Configuration
• Racks, max. 4 1
• Modules per rack, max. 8 8
Number of DP masters
- integral 1 2
- via CP 4 2
Number of FMs and CPs that can
be operated (recommendation)
-FM 8 8
- CP, point-to-point
8 8
- CP, LAN 10 10
Time
Clock
- Hardware clock (realtime clock) Yes Yes
- buffered
Yes
Yes
- Deviation per day, max
10 s 10 s
Run-time meter
- Quantity 4 4
-Number 0 to 3 0 to 3
- Range of values
0 to 2^31 hours
(when using
SFC 101)
0 to 2^31 hours
(when using
SFC 101)
- Granularity
1 hour 1 hour
- retentive
Yes; must be
restarted on
each complete
restart
Time synchronization
- supported Yes Yes
- on MPI, master
Yes
Yes
- on MPI, slave
Yes
Yes
- in AS, master
Yes
Yes
- in AS, slave
Yes
Yes
Yes; must be
restarted on
each complete
restart
S7 message functions
• Number of stations that can log on
for message functions, max.
6ES7 317-
2EJ10-0AB0
32; depending
on the connections
configured
for PG/OP
and S7 basic
communication
6ES7 317-
6TJ10-0AB0
32; depending
on the connections
configured
for PG/OP
and S7 basic
communication
• Process diagnostic messages Yes Yes
• simultaneously active Alarm-S 60 60
blocks, max.
Test and startup functions
Status/modify
- Variable Yes Yes
- Variables
Inputs, outputs,
flags, DB,
timers,
counters
Inputs, outputs,
flags, DB,
timers,
counters
- Number of variables, max.
30 30
- of which status variables, max.
30 30
- of which modify variables, max.
14 14
Forcing
- Forcing Yes Yes
- Forcing, variables
Inputs, outputs Inputs, outputs
- Forcing, number of variables,
max.
10 10
• Status block Yes Yes
• Single step Yes Yes
• Number of breakpoints 2 2
Diagnostic buffer
- available Yes Yes
- Number of inputs, max.
100 100
- adjustable
No
Communication functions
• PG/OP communication Yes Yes
• Routing Yes Yes
Global data communication
- supported Yes Yes
- Size of GD packets, max.
22 Byte 22 Byte
S7 basic communication
- supported Yes Yes
S7 communication
- supported Yes Yes
S5 compatible communication
- supported Yes; via CP and
loadable FC
Yes; via CP and
loadable FC
Standard communication
- TCP/IP Yes
- Number of connections, max. 8
- Data length, max. 1.460 Byte
Number of connections
- overall 32 32
- usable for PG communication
31 31
- usable for OP communication
31 31
- usable for S7 basic
communication
30 31
4/28 Siemens ST 70 · 2005