Omron CQM1H series - Page 66

46
Connect the transmission cables in series from the Master, regardless of the
Unit number settings.
I/O Input
Master
Expansion Master Unit 1 Expansion Master Unit 2
Unit
Input word
Output
word
Input
16
points
16
points
CQM1H/CQM1
Expansion Masters Mounted Left of the Master
Take care of the allocation of Master, Expansion Master Unit 1 and Unit 2 word
addresses.
If one Expansion Master is used for input and another for output, take care that
the Expansion Master Unit numbers and the Unit 1/Unit 2 Slave address settings
are not reversed.
A 4-point Slave cannot be used as a Unit 2 Slave address.
Connect the transmission cables in series from the Master.
I/OOutput
Master
Expansion Master Unit 1 Expansion Master Unit 2
Unit
Input word
Output
word
Input
16
points
16
points
CQM1H/CQM1
Word Allocation Section 4-1