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Chapter 4
Basic functions and System configuration
4.3.2 System configuration (4W/4W method)
Typical system configuration example that I/O assignment of master module (EH-TRMME) is "Word 4W/4W"
("X4Y4W" in Control editor) is shown in Figure 4.12.
Setting of master No.1
I/O
9
assignment ：
U
9
4W/4W
(
Number of
L
slaves ：
2
ON
Compression
mode ： OFF
Final CH ：
1
2
3 4
5
6
7
8
Master module (EH-TRMME)： Mountable up to limit of CPU ability (Location is free on bases.）
X0～X63 /WX0
Y64～Y95 /WY4
Occupied channels of master No.1
Channel
Input
No.
0
X0～X15
Y64～Y79
1
X16～X31
Y80～Y95
2
X32～X47
3
X48～X63
Figure 4.12 System configuration example-1 (I/O assignment of master: "Word 4W/4W")
[Explanations]
1) Master module (EH-TRMME) has 4 channels for remote I/O area (0 to 3).
2) One channel consists from 16 bit (1 word) input area and 16 bit (1 word) output area. In the case of I/O
assignment for master module is "Word 4W/4W", I/O number of slot that master module mounted is
assigned to each channel as shown as Figure 4.12.
3) One master module can communicate maximum 128points data with 4 channels between slave modules.
4) Set compression mode of slave module ON, and you can use the same number of image slots as occupied
slots. Occupied slots are mountable with only input modules, and image slots are mountable with only
output modules. We will recommend an empty slot to mount the dummy module (EH-DUM) to prevent
dust. You can mount modules as shown in Table 2.5 on slave base.
5) Maximum 4 slave modules can be connected to one master module. (Example of Figure4.12 is two
slaves.)
6) Slave module must be mounted right side of power supply module.
7) Master modules are mountable
8) Master module is mountable on any slot on basic base and expansion bases.
Setting of slave St.No.0
U
0
)
L
2
3
Compression
mode： ON
1
2
3 4
7
5 6
8
Final CH： 0
3
～WX3
～WY7
Occupied channels of slave St.No.0
Channel
Output
Input
No.
0
X0～X15
1
X16～X31
WY6
2
X32～X47
WY7
to limit of CPU ability.
Setting of slave St. No.1
Slave St.
U
No.： 0
1
Number of
occupied
L
1
slots： 3
1
2
3 4
5 6
Slave module (EH-TRMLE)
X
X
X
Y
Y
Y
16
16
16
16
16
16
Occupied
Image
slots
slots
Output
Y64～Y79
Occupied channel of slave St.No.1
Y80～Y95
Channel
WY6
No.
4 – 8
Slave St.
No.：1
Number of
occupied
slots：1
Compression
mode： ON
7
8
Final CH：3
Slave module (EH-TRMLE)
空
X
Y
き
16
16
Occupied slots
Image slots
X700～X763 /WX70～WX73
Y764～Y795 /WY74～WY77
Input
Output
3
X48～X63
WY7
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