| Item |
10-point
type |
14-point
type |
23/28-point
type |
| EH-X10XXX |
EH-X14XXX |
EH-A23DRP,
EH-X28XXX |
| Number
of I/O points |
Max.
10 points
(not expandable) |
Max.
126 points |
23-point:
Max.
135 points
(except for analog I/O) 28-point: Max. 140 points |
| Control
specifications |
CPU |
32-bit
RISC processor |
| Processing
method |
Stored
program cyclic method |
| Processing
speed |
Basic
command |
0.9us/command |
| Application
command |
Several
10us/command and more |
Calculation
processing
specifications |
User
program memory |
Max.
3 k steps (Flash memory) |
| Command
language |
Basic
commands |
39
types, such as LD, LDI, AND, ANI, OR, ORI, ANB,
ORB, OUT, MPS, MRD, MPP |
| Arithmetic
command Application commands |
59
types such as arithmetic, jump, subroutine,
division, extraction, etc. |
| Ladder |
Basic
commands |
39
types |
| Arithmetic
command Application commands |
59
types such as arithmetic, jump, subroutine,
division, extraction, etc. |
| I/O
processing specifications |
External
I/O |
I/O
processing method |
Refresh
processing |
| Internal
output |
Bits |
1,984
points (R0 to R7BF) |
| Words |
4,096
words (WR0 to WRFFF) |
| Special |
Bits |
64
points (R7C0 to R7FF) |
| Words |
512
words (WRF000 to WRF1FF) |
| Bit/word
shared |
16,384
points / 1,024 words
(M0 to M3FFF/ WM0 to WM3FF) |
| Timer
counter |
Number
of points |
256
points (TD + CU) |
| Timer
setting value |
0
to 65,535, timer base 0.01s, 0.1s, 1s
(should be set at No. 0 to 63.) |
| Counter
setting value |
1
to 65,535 times |
| Edge
detection |
512
points (DIF0 to DIF511: decimal) + 512 points
(DFN0 to DFN511: decimal) |
| Peripheral
equipment |
Program
method
|
Command
language, ladder diagram |
| Peripheral
device |
Programming
software (LADDER EDITOR for Windows® / LADDER
EDITOR DOS version, Pro-H (IEC61131-3)) |
| Maintenance
functions |
Self-diagnosis |
PC
error (LED display): microcomputer error, watchdog
timer error, memory error, program error, system
ROM/RAM error, scan time monitoring, battery
under-voltage detection, and others |
|
| Item |
EH-X10XXX |
EH-X14XXX |
EH-A23DRP |
EH-X28XXX |
| RS-232C
port |
1 |
| RS-422/485
port |
- |
- |
1 |
1 |
| High-speed
counter |
10kHz
2-phase 1ch,
1-phase 3ch
or 1-phase 2ch |
10kHz
2-phase 1ch + 1-phase 1ch,
1-phase 4ch, or 1-phase 2ch |
10kHz
2-phase 1ch + 1-phase 1ch,
1-phase 4ch, or 1-phase 2ch |
10kHz
2-phase 1ch + 1-phase 1ch, 1-phase 4ch, or 1-phase
2ch |
| Interruption
input |
3
points |
4
points |
4
points |
4
points |
| PWM
output |
2kHz
(4 points, PWM and pulse train in total) |
2kHz
(4 points, PWM and pulse train in total) |
2kHz
(4 points, PWM and pulse train in total) |
2kHz
(4 points, PWM and pulse train in total) |
| Pulse
train |
5kHz
(in total) |
5kHz
(in total) |
5kHz
(in total) |
5kHz
(in total) |
| Analog
input |
8bit:
1ch |
- |
12bit:
2ch |
- |
| Analog
output |
- |
- |
12bit:
1ch |
- |
| Potentiometer |
- |
10bit:
2ch |
10bit:
2ch |
10bit:
2ch |
| Battery |
- |
- |
Optional |
Optional |
| Real-time
clock |
- |
- |
Yes |
Yes |
| Digital
filter |
Yes |
Yes |
Yes |
Yes |
| Power
source |
AC |
No |
Yes |
Yes |
Yes |
| DC |
Yes |
Yes |
Yes |
Yes |
| Input |
DC |
Yes |
Yes |
Yes |
Yes |
| AC |
No |
Yes |
No |
Yes |
| Output |
TR |
Yes |
Yes |
Yes |
Yes |
| RY |
Yes |
Yes |
Yes |
Yes |
| SSR |
No |
Yes |
No |
Yes |
|
|
PLCs : Micro-EH
: Specifications