Additional Emergency Off (Emo) Input - EBARA ESA25-D Instruction Manual

4.3.4 Additional Emergency Off (EMO) input

Although the pumps are equipped with the emergency button to stop its
operation upon any emergency event, an additional connector for emergency
input signal is provided for user's error detection device to connect.
instance, by connecting a gas leakage detector, which detects gas leakage in the
pump, the pump operation is stopped upon leakage detection.
Additional EMO input connector "EXT. IO" is located on front panel. Refer to
outline drawing shown in section 3.5.
CAUTION Dummy plug should be connected on "EXT.IO" receptacle
Plug
Pin
Suitable wire size
Required capacity of user side facility
Signal input at NORMAL condition
Signal input at EMERGENCY condition
PM10U
during operation. Pump does not run without dummy plug,
because it means same as EMO signal was input.
Table 4.8 Additional EMO input Specification
HIROSE DF1B-2EP-2.5RC
HIROSE DF1-PD2428SCB
UL1007 AWG#24
DC12V 20mA added by pump side.
NO voltage required from outside
Close between two pins of the plug
Open between two pins of the plug
EBARA
P.27
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CORPORATION