Chapter 2 Specifications
2 – 6
2.3.2 Performance specifications
Table 2.4 Performance specifications
Specification
Item
EHV-CPU1006 EHV-CPU1025 EHV-CPU1051
EHV-CPU1102
User program memory
64KB
256KB
512KB
1024KB
Source file memory
2MB
6MB
Data memory (non retain)
256KB
Data memory (retain)
16KB (incl. 4KB persistent variables)
Field bus memory
16KB (2KB/slot
×
8)
No. of expansion bases
0
5
No. of I/O (using 64 points module)
704
4,224
Programming language
IEC61131-3 compliant 5 languages
LD
: Ladder Diagram
FBD
: Function Block Diagram (incl. CFC : Continuous Function Chart)
SFC
: Sequential Flow Chart
IL
: Instruction List
ST
: Structured Text
I/O updating cycle
Refresh processing
Communication
Protocol
CoDeSys V3 protocol
USB
USB 2.0 Full speed (Gateway *)
Ethernet
10BASE-T / 100BASE-TX (Gateway *, Modbus-TCP client/server **)
Serial
RS-232C/422/485 (Gateway *, Modbus-RTU master **, General purpose)
Switch,
Indications
RUN LED, ERR LED, 7-segment LED (2 digit)
Indications
RUN switch
STOP / RUN (Remote STOP/RUN enabled when the switch position is RUN.)
E.CLR button
Reset error information
Calendar / Clock
Support (Built-in RTC)
Battery
LIBAT-H (for retentive data and Real time clock)
Maintenance function
Diagnosis (micro processor error, watch dog timer error, memory error, battery error, etc.)
* Gateway : Communication with EHV-CoDeSys
** If Modbus-RTU or Modbus-TCP function is needed, be sure to use EHV-CPU1025 or higher model because Modbus libraries
require about 100KB of user program memory.
Table 2.5 Processing speed
Data type (number of bit)
Command
Processing time
[
μ
s / IL]
BOOL (1)
OR
0.08
BOOL (1)
AND
0.08
SINT (8)
ADD
0.07
SINT (8)
MUL
0.08
WORD (16)
ADD
0.08
WORD (16)
MUL
0.1
DWORD (32)
ADD
0.1
DWORD (32)
MUL
0.1
REAL (32)
ADD
0.9
REAL (32)
MUL
0.9
LREAL (64)
ADD
2.2
LREAL (64)
MUL
2.2