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Chapter 4
Basic functions and System configuration
4.4.2
Replacement with compression remote method
In the case of H-200/250/252B/252C series, you can use the same number of image slots as occupied channels by
setting I/O assignment "B1/1" for all I/O modules on remote bases. Therefore you can mount I/O modules twice
the number of occupied slots.
This system configuration example is shown in Figure 4.18. I/O assignment of this system is shown in Figure
4.19. Figure 4.20 shows the system configuration example replaced to EH-150.
In this case, it is necessary to change I/O assignment for master module from "Remote" to "Remote 2", too.
And make sure to set compression mode of master and slave modules ON with front DIP switch.
Master module (RIOH-TM):
Maximum 4 module
mountable on slot 0-9.
Occupied channels of master No.1
Channel
Input
No.
0
X10000～
1
X10100～
2
X10200～
3
X10300～
4
X11000～
5
X11100～
6
X11200～
7
X11300～
Figure 4.18 System configuration example-5 of the H-200 series (Using image slots)
Only input modules are mountable on occupied slots of slave base, and only output modules are mountable on
image slots normally. But in the case of the number of output modules is more than number of input modules for
H-200/250/252B/252C series, output modules can be mounted in occupied slots as shown as Figure 4.40 in order
to exclude empty slot.
If you replace this system to EH-150 series with compression remote method, output modules on occupied slots
don't operate normally. Please use normal remote method for this case, and change I/O assignment for I/O
modules on remote base from "B1/1" to "X16" or "Y16", and change related I/O numbers in program.
Figure 4.20 is an example of replacing all of master and slave modules with the EH-150 series. It is also possible
to leave all or partially slave modules like the H-200 series in order to postpone the wiring work of slaves. In this
case, please turn off high-speed refreshing mode (HS) of a front DIP switch of the master module and the slave
modules.
Setting of slave St. No.0
U
0
First CH:
Number of
4
L
channels:
Slave module
(RIOH-TL)
X
X
16
16
Occupied
slots
Occupied channels of slave St.No.0
Channel
Output
No.
0
Y10016～
1
Y10116～
2
Y10216～
3
Y10316～
Y11016～
Y11116～
Y11216～
Y11316～
Setting of slave St. No.1
0
U
occupied
L
4
X
X
Y
Y
Y
Y
16
16
16
16
16
16
Image slots
Input
Output
X10000～
Y10016～
X10100～
Y10116～
X10200～
Y10216～
X10300～
Y10316～
4 – 12
4
4
First CH:
Number of
4
occupied
4
channels:
Slave module
(RIOH-TL)
X
X
X
X
Y
16
16
16
16
16
Occupied
Image slots
slots
Occupied channels of slave St. No.1
Channel
Input
Output
No.
4
X11000～
Y11016～
5
X11100～
Y11116～
6
X11200～
Y11216～
7
X11300～
Y11316～
Y
Y
Y
16
16
16
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