Switches - Omron CQM1-ARM21 Operation Manual

Physical Layout of the Unit

2-1-3 Switches

12
0~15 (yellow) : Slave status indicators.
ON :
Flash : A slave is in the list of projected slaves, but not ac-
Slave 0 cannot be an active slave; if LED 0 flashes, a slave
with address 0 has been detected on the network.
+16 (yellow) : OFF : the status of slaves 0-15 is shown;
ON
If the setting of the CH switches 1-3 allows communication
with more than 15 slaves, this indicator will periodically turn
OFF and ON, to show the status of all slaves. If set to 15 or
fewer slaves, this LED will remain OFF.
CH The switches 1-3 select the number of IR words that the CQM1-
ARM21 will occupy in the CPU. This setting will influence the maxi-
mum number of AS-Interface slaves that can be addressed by the
PLC, and therefore the maximum number of I/O points that can be
connected.
SW3 SW2
OFF OFF
OFF OFF
OFF ON
ON OFF
ON OFF
ON ON
A slave is active, i.e. exchanging I/O data with the
master.
tive.
: the status of slaves 16-31 is shown.
IR words
SW1
in + out
OFF 3 + 3
ON 4 + 4
- 6 + 6
OFF 5 + 5
ON 6 + 6
- 8 + 8
Section 2-1
Highest AS-I Max. AS-I
slave address I/O points
11 44 / 44
15 60 / 60
23 92 / 92
19 76 / 76
23 92 / 92
31 124 / 124