EN
13
-EN
Air Conditioning Control System (Touch Screen Controller)
Installation Manual
Connection to External Devices
Example of connection to external equipment which is connected to digital input/output terminal.
* Wire the cables so that the user does not touch the power supply directly.
* On the external device side, use a basically insulated power circuit and place it in a location where the user cannot touch it.
Name
I/O
Item
Air conditioning control system side
External device side
I/O conditions
Terminal name
Circuit example
I/O conditions
State
output
Contact permissible
voltage/current
24 V DC/35 mA
Wiring length:
Within 100 m
Control
input
No-voltage contact A
Pulse or static
* No-voltage contacts
compatible with very
small current should
be selected
5 V DC/3 mA
Pulse width:
50 msec or more
Wiring length:
Within 100 m
DO1
Output
common
DO2
Output
common
DO3
Output
common
DO4
Output
common
DO1
Output common
Digit
al input
DO2
Output common
DO3
Output common
DO4
Output common
DI1
Input
common
DI2
Input
common
DI3
Input
common
DI4
Input
common
DI5
Input
common
DI6
Input
common
DI7
Input
common
DI8
Input
common
Input common
DI1
Input common
DI2
Input common
DI3
Input common
DI4
Input common
DI5
Input common
DI6
Input common
DI7
Input common
DI8
