External Input/Output Function - Mitsubishi Electric GB-50A Instruction Book

4

External input/output function

*External signal input requires the external I/O adapter (Model: PAC-YG10HA) sold separately.
4-1 External input function
(1) The function of external input
• Emergency stop/normal operation, ON/OFF, local remote control prohibit/permit can be controlled for
conditioners being controlled with a non-voltage contact signal input from an external input source.
(the dip switches)
• The condition of external input signal is displayed on the operation setting screen for each group.
No.
Function of external input signal
1
External input signal not used
2
Perform emergency stop with level signal
3
Perform ON/OFF operation with level signal
4
Perform ON/OFF operation, prohibit/permit
operation with pulse signal
*Settings for these functions can be set with the Initial Setting Web or Initial Setting Tool.
(2) Level signal and pulse signal
(3) Specification of external input interface
CN2 Lead Wire
No.5 Orange
No.6 Yellow
No.7 Blue
No.8 Gray
No.9 Red
Table 4-1. Function settings of external input
Emergency stop/normal
level signal
Emergency stop/normal
input
Not used
Not used
Not used
-------------------------------------------------------------
During emergency stop, only ON/OFF of the
central controller and local remote controller's
operation will be prohibit.
Only the ON/OFF operation of the central controller
and the local remote controller will be prohibit.
Set the pulse width while the contact is ON to 0.5 to
1.0 second.
ON/OFF level signal
ON/OFF input
Not used
Not used
Not used
Common (DC12V or DC24V)
8
Remarks
ON/OFF, prohibit/permit
pulse signal
ON input
OFF input
Local remote controller
prohibit input
Local remote controller
permit input