STP-iXR1606 Turbomolecular Pump
MT-79E-001-D
Page 59
4
Pin Description
Pins for inputting the input operation port select signal.
When the pins between (1)-(4) are short-circuited, the input
operation port will be set to the parallel port automatically, and
the input operation via the serial port is disabled.
When the pins between (1)-(4) are opened, a parallel port or
any of three serial ports from COM1 to COM4 can be selected
in the input operation port (see Section 5).
Pins for inputting the rotation INHIBIT enable signal.
The input pins are valid even when input operation port is set to
serial port.
When the pins between (1)-(2) are short-circuited, the rotation
INHIBIT signal input is enabled.
Pins for option signal input.
When pins (1)-(23) are set to close, rotational speed will be
second speed when pump state is NORMAL.
When pins (1)-(23) are set to open, rotational speed will be
normal speed when pump state is NORMAL.
When using this function, short the circuits between (1)-(20), to
set "ENABLE" for second speed option.
Valid signal input pins for rotational speed change of second
speed function by the option signal input.
The input pins are valid even when input operation port is set to
serial port.
When pins (1)-(20) are set to close, second speed function is
enabled and the rotational speed is switchable by the option
signal input.
When using the second speed function to switch the rotational
speed through the serial communication port or STP-Link, open
the circuits between (1)-(20) and set the second speed option
to "ENABLE" by serial communication port.
Table 13 - X2 REMOTE input signal pins (continued)
(1) (4)
COM PORT SELECT IN
(1) (2)
COM INHIBIT ENABLE IN
(1) (23)
COM OPT IN
(1) (20)
COM SECOND SPEED EN
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