Omron NT620C, Operation Manual

Page: 223 / 337

5-3 Section Lamps and Touch Switches
212
S
Available allocation words
The numeral memory tables can be allocated to the following PC areas:
Symbol C Series PCs
Alloca-
tion
CV Series PCs
Alloca-
tion
DM Data Memory
f
Data Memory
f
CH Internal/Special Relay
f
Internal/Special Relay
f
TIM Timer Timer
CNT Counter Counter
HR Holding Relay
f
–
AR Auxiliary Relay
f
Auxiliary Relay
LR Link Relay
f
–
f
: OK : 1 word only : NG
Since the special auxiliary relays of the CVM1/CV series PCs are allocated to
the system, they cannot be used for purposes other than the system use.
The range of respective area varies with the type of PC. Refer to Appendix L
“PC Memory Map” (page 327).
5-3 Lamps and Touch Switches
5-3-1 Allocation Bits and Display of Lamps
Lamps are controlled by allocating them to the PC bits. Set the area and bit num-
ber.
S
Available allocation bits
The lamps can be allocated to the following PC areas:
Symbol C Series PCs Allocated CVM1/CV Series PCs Allocated
DM Data memory
f
Data memory
f
CH Internal/Special Relay
f
Internal/Special Relay
f
TIM Timer Timer
CNT Counter Counter
HR Holding Relay
f
–
AR Auxiliary Relay
f
Auxiliary Relay
LR Link Relay
f
–
f
: OK : NG
Since the special auxiliary relays of the CVM1/CV series PCs are allocated to
the system, they cannot be used for purposes other than the system use.
The range of respective area varies with the type of PC. Refer to Appendix L
“PC Memory Map” (page 327).
To set the data memory (DM), specify the word number and then the bit number
(00 to 15).
5-3-2 Turning ON (lit) and OFF (unlit) the Lamps
(Changing the Contents of Allocated Bits)
The following describes the procedure to change the lamp display status on the
NT620S/620C by changing the contents of the allocated bits.