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101
2
REMARKS
If the MRS signal is on, the operation mode cannot be switched to the PU
operation mode when the start signal (STF, STR) is on.
*1. The operation mode switches to the external operation mode independently of
whether the start signal (STF, STR) is on or off.
Therefore, the motor is run in the external operation mode when the MRS signal
is switched off with either of STF and STR on.
*2. Switching the MRS signal on and rewriting the Pr. 79 value to other than "7" in
the PU operation mode causes the MRS signal to act as the ordinary MRS
function (output stop). Also as soon as "7" is set in Pr. 79, the signal acts as the
PU interlock signal.
(2) Operation mode switching by external signal
1) Preparation
Set "8" (switching to other than external operation mode) in Pr. 79.
Use any of Pr. 60 to Pr. 63 (input terminal function selection) to set the terminal
used for X16 signal input.
REMARKS
When terminal assignment is changed using Pr. 60 to Pr. 63, the other functions
may be affected.
Check the functions of the corresponding terminals before making settings.
For details refer to page 88.
2) Function
This switching is enabled during an inverter stop only and cannot be achieved
during operation.
X16 Signal Operation Mode
ON External operation mode (cannot be changed to the PU operation mode)
OFF PU operation mode (cannot be changed to the external operation mode)
to
Refer to
to
(page 61).
2
.10.11 PID control to
The inverter can be used to exercise process control, e.g. flow rate, air volume or
pressure.
The voltage input signal (0 to +5V or 0 to +10V) or Pr. 93 setting is used as a
set point and the 4 to 20mA DC current input signal used as a feedback value
to constitute a feedback system for PID control.
POINT
Made valid by turning on the X14 signal. Use Pr. 60 to Pr. 63 (input terminal
function selection) to make assignment.