2 System Design
2-6
NB-series Programmable Terminals Startup Guide Manual(V109)
z System addresses allocation table
Memory allocation table
The I/O relays of the PLC are allocated as follows.
Addresses Function Component Name Corresponding Screen
W_bit 0.01 Automatically close
(disabled)
Bit State Setting Fully Open
W_bit 0.02 Start the maintenance
screen
Bit State Setting Wait
W_bit 1.00 Open Bit State Setting/
Bit State Lamp
All Screens/Check 2
W_bit 1.01 Stop Bit State Setting/
Bit State Lamp
All Screens/Check 2
W_bit 1.02 Close Bit State Setting/
Bit State Lamp
All Screens/Check 2
LW.B 10.0 Texts on screen flash Bit State Lamp Stop
C_word 0 Counter address Bar Picture,
Number Display
Wait, Check 3
T_word 0 Timer address Number Display Check 3
D_word 0 Switch window PLC Control -
D_word 11 Output window No. PLC Control -
CIO_bit 0.03~0.06 (See the following table) Bit State Lamp Check 1
Equipments Contactors Addresses
Vehicle sensor SEN1 0.03
Light sensor SEN2 0.04
Upper limit LS LS1 0.05
Lower limit LS LS2 0.06
Motor for opening control (Rise motor) MO1 100.00
Motor for closing control (Down motor) MO2 100.01
LS1(0.05)
MO1(100.00)
MO2(100.01)
LS2(0.06)
SEN2(0.04)
SEN1(0.03)