Mitsubishi Electric EB-50GU-A Instruction Book page 13

4-2-2. M-NET Settings
(1) Enter [0] in the [M-NET Address] field (unless otherwise specified).
(2) When the local remote controller operation is prohibited on the Web Browser for System Maintenance
Engineer, this setting determines the scope of its applicability. Select [SC/RC] to prohibit the operation from
both the sub system controllers and the remote controllers. Select [RC Only] to prohibit the operation only
from the remote controllers.
4-2-3. External Input Setting
Using the external signal input function, the following types of collective operations can be performed for all
connected air conditioning units: Emergency stop, ON/OFF operation, and Prohibit/Permit local remote controller
operation.
A separately-sold external input/output adapter (PAC-YG10HA) and external power supply are required.
Select the external signal input mode, referring to the explanations below.
Note: General equipments connected via DIDO controller (PAC-YG66DCA) cannot be collectively run or stopped by
using the external signal input function unless [Emergency Stop (Level signal)] is selected and relevant switches
on the DIDO controller are set.
(1) Select [Not in use] when not using the external signal input function.
(2) Select [Emergency Stop (Level signal)] when using a level signal to collectively run or stop all the air
conditioning units connected to the EB-50 in an emergency. During an emergency stop, the ON/OFF
operation from the local remote controllers will be prohibited, and the ON/OFF operation and Prohibit/
Permit settings on the EB-50 will be prohibited.
Emergency stop signal,
1
2
Normal operation signal
3
4
5
6
7
8
9
Connection to EB-50 (CN5)
12 or 24 VDC
Contact ON
Contact OFF
Normal
13
Emergency
stop Normal