Samsung DVM PLUS III Technical Data Book page 693

05-4~6_control systems(142~171
5) Installation
External contact line wiring
0
1
2
GND
3
4
5
6
7
F
8
E
9
D
A
C
B
❈ Connect the external contact input line to the connection terminal where Main address of the indoor unit to control is
written and GND terminal . (Max.16 indoor units can be controlled by the external contact input.)
N N o o t t e e
N N o o t t e e
• External operation input load : 5VDC/5mA
• The length of wiring between keg-tag I/M and external control equipment is 100m max.
Operation display
Situation
Power input and
during tracking
Normal communication
between outdoor unit and
key-tag I/M
Outdoor unit and
key-tag I/M communication
failure
3/6/08 14:09 Page 161
F1/F2
Variable equipment can be connected.
Ex)Sensor, Card-key, Timer
Ex) If you want to control the indoor unit of Main address "0".
Connect the contact lines to key-tag I/M terminals labeled "0" and "GND".
During tracking, display "00 ".
Display indoor units' Main addresses alternatively at the left segment.
ex)When I/M communicates with indoor unit of Main address "5 ".
↔
F1/F2
Main:0 Main:1
Display
Display alternating Er ↔ E1.
V-161