Network Adapter; Microcomputer Block Diagram - Toshiba RAV-SP560AT-E Service Manual

12-2. Network Adapter

Model name: TCB-PCNT20E
12-2-1. Function
A network adapter is an optional P .C. board to connect the indoor unit to AI net (Central control remote controller).

12-2-2. Microcomputer Block Diagram

CN41
Indoor control
P.C. board
CN309
Terminal
block
(A.B)
AC220-
Power
240V
transformer
12-2-3. Network Address Setup Switch (SW01)
No. Item
1 LSB
2
3
Central control address
4
5
6 MSB
7
Setup availability from
remote controller
8
12-2-4. LED Display Specification
LED No.
D01 (Red) Communication status: Remote controller
D02 (Red) Communication status: Center
D03 (Red) Operation status of air conditioner
D04 (Red) Air conditioner error
* For positions of LED, refer to P .C. board external view.
Remote controller
Optional communication P.C. board
Remote
CN02
controller
communication
circuit
CN01
5V 5V
power
supply
AC14V
1 2 3 4 5 6
× × × × × ×
: No.1 unit
¡
× × × × ×
: No.2 unit
:
¡ ¡ ¡ ¡ ¡
×
: No.63 unit
¡ ¡ ¡ ¡ ¡ ¡ : No.64 unit
Switch OFF : Setup available from remote controller
Switch ON : Setup unavailable from remote controller
Function
During communication
During communication
Running
Error
Indoor unit
AI-NET
communication
circuit
MCU
EEPROM
Network address
setup switch
Setup contents
×
: Switch OFF
¡ : Switch OFF
Go on
No communication (including communication error)
No communication (including communication error)
Stop
Normal
– 159 –
Central control
remote controller
CN03
Terminal
block
(X.Y)
Network
Communication
units: Total 64 units
Communication
distance: 1km
Go off
All Models