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13-2 External output function
(1) The function of external output
• The “ON” signal is output when one or more air conditioning system are in the ON operation.
• The “Malfunction” signal is output when one or more connected equipment malfunctions.
(2) External Output Interface Specifications
* The On-signal will be output even during an error.
* The operation status of the general equipment will not be output.
14. LAN connection function
When using the LAN connection function, connect the LAN cable to the LAN connector of this device.
* Procure the LAN cable at the site, and use 100 BASE-TX Straight cable.
* For a description of the IP address setting method, refer to section 7-6 “Network Setting”.
* LAN is 100 BASE-TX Specification.
* Use a switching HUB.
Notes:
• Using level signals
• While the Emergency stop contact is ON, centralized controller and local remote
controller operation (ON/OFF only) is prohibited. After the emergency stop is
cancelled, air conditioning systems will remain stopped and will require manual
operation if they need to be started back up.
• When level signals are used for ON/OFF, centralized controller and local remote
controller operation (ON/OFF only) is prohibited at all times.
• Using pulse signals
• If the operation signal is received during operation, air conditioning units will remain in
operation. (The same is applicable to OFF/Prohibit/Permit.)
• When pulse signals are used, changing the ON/OFF, operation mode, temperature
setting, filter sign reset settings will be prohibited from the remote controller.
CN5
Lead wire
Description of each terminal
No. 1
Green
Common (External ground)
No. 2
Black
ON/OFF*
No. 3
Brown
Malfunction/Normal
CAUTION
Use a security device such as a VPN router when connecting
to the Internet.
LAN
WT05369X15.book Page 106 Wednesday, November 7, 2012 10:33 AM
