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A. Technical appendix
76
Festo GDCC-CECX-K-D1-EN en 0802a
A.2
Specifications to DIN EN 61131-2:2004-02
A.2.1
Controller CECX-K-D1, central module
Property
Description
Organisation and capacity of the program memory 64 MB, complete memory
(2x SDRAM 4M*16*4, 133 MHz)
Organisation and capacity of the
data memory and number of bits per word
1 byte = 8 bits, 1 word = 2 bytes
64 MB (for system, program and data memory)
Typical:
−
Applications: 8 MB
−
Firmware: 24 MB
−
Data: 32 MB
Available memory types
SDRAM, battery-buffered SRAM
Mode of operation of memory buffering and oper-
ating requirements
Fast retain data in the battery-buffered SRAM
Data, parameters and procedure for defining a
desired device configuration
Configuration data on the Compact Flash,
fixed configuration data for diagnostic module
Description and scope of the programming lan-
guages supported by the PLC system
Fixed application in language is IEC.
Scope: Complete IEC language scope with some ex-
tensions
Calculation methods for determining the memory
utilisation
Memory utilisation of the IEC programs not shown
(specified by the application).
Firmware: max. 50% of the available memory
Average, minimum and maximum times of all rele-
vant times:
−
Sampling time(s)
−
System response time(s)
−
Transmission time(s)
−
Execution time(s)
Average:
1.5 ms
Minimum:
1 ms
Maximum:
2 ms (for DI, DO)
3 ms (for AI, AO)
Mechanisms for processing inputs/outputs
Inputs/outputs are transferred by the I/O modules at
ms-intervals.
Table A.8 Central module CECX-K-D1