Can be changed
10
1000
At the time of shipment
1
5
0
1050
100
10% of rated
flow range
100% of rated
flow range
Maximum
display range
Flow [L/min]
1000 L/min type
Analog output [V]
Analog output free range function
Allows the flow that generates an output of 5 V or 20 mA to be changed.
The value can be changed 10% of maximum rated flow to maximum
display value.
Error display function
When an error or abnormality arises, the location and contents are displayed.
If the failure cannot be solved after the above instructions are performed, please contact SMC for investigation.
Display
Description
Contents
Action
OUT1 over current
error
Load current of 80 mA or more is applied
to the switch output (OUT1).
Eliminate the cause of the over current by
turning off the power supply and then turn
on it again.
OUT2 over current
error
Load current of 80 mA or more is applied
to the switch output (OUT2).
Instantaneous flow
error
The flow rate exceeds the upper limit of
indicated flow rate range.
Decrease the flow rate.
Reverse flow error
There is a reverse flow equivalent to
–5% or more.
Turn the flow to correct direction.
PFMC7501
PFMC7102
PFMC7202
Accumulated flow
error
The flow rate exceeds the accumulated
flow rate range.
Clear the accumulated flow rate.
System error
Displayed if an internal error has
occurred.
Turn the power off and on again.
Alternately displays
[999] and [999999].
286
PFMC
Series