Edwards STP Series User Manual

STP-iXR1606 Turbomolecular Pump
MT-79E-001-D
Page 62
4
OPERATION
4.9.3 Rotation INHIBIT signal
When using rotation INHIBIT signal, short-circuit the "INHIBIT ENABLE IN" signal. Relations between
rotation INHIBIT signal input and pump operation state are shown in Table 15.
Signal input Pump operation
After short-circuit of rotation INHIBIT input
signal (A), the START operation is
performed (B).
INHIBIT IN
Close
Open
START operation
● The pump accelerates when the START
operation is performed (B).
After the START operation (A), the rotation
INHIBIT input signal is short-circuited (B).
INHIBIT IN
Close
Open
START operation
● The pump does not accelerate when the
START operation is performed (A).
● The pump accelerates when the rotation
INHIBIT input signal is short-circuited (B).
The rotation INHIBIT input signal is opened
(A) during acceleration or normal
operation.
INHIBIT IN
Close
Open
START operation
● The pump decelerates and stops when the
rotation INHIBIT input signal is opened (A).
● After the operation (A), the pump continues
deceleration and stops even by
short-circuiting the rotation INHIBIT input
signal (B). However, when the START signal
is input, the pump will accelerate.
Table 15 - Rotation INHIBIT signal input
A B
A B
A B

Edwards STP Series Specifications

General

Brand	Edwards
Model	STP Series
Category	Water Pump
Language	English