Mitsubishi Electric AE-200A Installation Manual page 35

(3) Level signal and pulse signal
(A) Level signal
Contact ON
Contact OFF
Normal
How the demand level is determined
Demand level signal specification: When higher levels' contacts turn on, lower levels' contacts also stay on.
CN5 Contact
ON
No.5
OFF
ON
No.6
OFF
ON
No.7
OFF
ON
No.8
OFF
Demand level signal specification: Only the current levels' contacts turn on.
CN5 Contact
ON
No.5
OFF
ON
No.6
OFF
ON
No.7
OFF
ON
No.8
OFF
1. If [Emergency stop (Level signal)] is selected, the air conditioning units in normal operation will stop when the contact turns
on. Even when the contact turns off, these units will remain stopped. They must be started up manually after the emergency
stop is reset.
2. If [ON/OFF (Level signal)] is selected, the air conditioning units that are stopped will start operation when the contact turns on.
Conversely, the units that are in operation will stop when the contact turns off.
3. Demand control is performed when the demand level contact turns on. If two different demand levels' contacts turn on at the
same time, the demand control will be performed with the higher level demand.
(Even if the demand control is not performed due to unexpected problems, Mitsubishi Electric will not be responsible for
exceeding the maximum power demand.)
(4) Pulse signal
(Example) ON/OFF
Contact ON
(ON)
Contact OFF
Contact ON
(OFF)
Contact OFF
1. If the input pulse signal is the same as the current operation status of the air conditioning units, no status change will occur. (For
example, if an ON signal is input while the air conditioning units are in operation, the units will continue their operation.)
2. If the operation from the local remote controller is prohibited, ON/OFF status, operation mode, or temperature setting cannot
be changed and filter sign cannot be reset from the local remote controller.
3. The pulse width (contact ON) should be between 0.5 and 1.0 second.
WT07137X02
Emergency
stop
Normal
Level 4
Level 3
Level 2
Level 1
Level 0
*1
Level 4
Level 3
Level 2
Level 1
Level 0
0.5–1.0 second
0.5–1.0 second
Stop Run Stop
Contact ON
Contact OFF
Stop
*1 The specification must be followed in the following
order: ① When the level changes, the contact of the
level after the change turns on.; ② The contact of
the level before the change turns off.
(Example) Prohibit/Permit
Contact ON
(Prohibit)
Contact OFF
Contact ON
(Permit)
Contact OFF
35
Run Stop
0.5–1.0 second
0.5–1.0 second
Permit Prohibit Permit