Hitachi PLC User Manual

10
3. Technical specifications
EH-150MICRO-EH
10/14/23,28
CPU104 CPU208 CPU308 CPU316 CPU448
General specification
Speed of
Binary
command
0.9µs 1.0µs 0.1µs
Memory size 3 kstep 4 kstep 8 kstep 8 kstep 16 kstep 48 kstep
I/O points 10/70/84 512 1,024
Exp. unit Up to 4 - 1
Commands 98 152
PID -
ü
Clock
ü *1
-
ü
Port 1 RS-232C RS-232C/422/485
Port 2
RS-422/485 *1
RS-232C
Memory
board
(planned) - ü (optional)
Modem
ü
-
ü
Internal memory
R
1984 bits (R0 – R7BF)
WR
4,096 word
(WR0 – FFF)
8,192 w.
(WR0 – 1FFF)
17,408 w.
(WR0 – 43FF)
22,528 w.
(WR0 – 57FF)
50,176 w.
(WR0 – C3FF)
M, WM
16,384 points = 1,024 w. (M0 – 3FFF = WM0 – 3FF)
L, WL
-
16,384 points ×2 = 1,024 w. ×2
(L0 – 3FFF = WM0 – 3FF, L10000 – 13FFF = WL1000 – 13FF
Special R
64 points (R7C0 – 7FF
Special WR
512 words (WRF000 – F1FF)
Timer (TD)/
counter (CU)
points
256 points
(TD + CU)
0.01s : 64 pts.
512 points (TD + CU) *2
(TD : up to 256 points, 0.01s base TD : up to 64 points.)
TD /CU
setting value
TD : 65,535 with 0.01, 0.1 or 1 sec. time base
CU : 65,535 times
Edge detect 512 points (DIF0 - 511) / 512 points (DFN0 - 511)
*1 : Only 23, 28 points module.
*2 : (TD) is up to 256 (TD0 - 255), and counter (CU) is up to 511 (CU0 - 511) for EH-150 series. TD number
is not allowed to use same as CU number, and vice versa.
Special internal registers R, WR
The special internal registers are some flags, diagnostic information and parameter setting area to operate
the PLC easily and flexibly. The following list is a part of this area and error code in WRF000.
Address Description Set by Reset by Error code in WRF000
R7E3 ON while the first scan CPU
CPU
H13 micro processor error
R7E4 Always ON CPU CPU H33 memory size error
R7E5 0.02s clock (0.01s ON, 0.01s OFF) CPU CPU H34 program (syntax) error
R7E6 0.1s clock (0.05s ON, 0.05s OFF) CPU CPU H41 I/O configuration error
R7E7 1s clock (0.5s ON, 0.5s OFF) CPU CPU
R7EC Clear error code user CPU
H44
scan time error
(normal scan)
WRF000 Error code (See right table.) CPU user
WRF00B – 00F Calendar CPU -
H45
scan time error
(periodic scan)
WRF010 – 012 Scan time (max. / current / min.) CPU CPU H71 Battery low
WRF01B – 01F Calendar to read/write user user
WRF050 ROM version CPU CPU
WRF051 FLASH ROM version CPU CPU
(see below)
(see below)

Hitachi PLC Specifications

General

Brand	Hitachi
Model	PLC
Category	Controller
Language	English