Automatic Blowdown - Fuji Electric ZKME Instruction Manual

Description
 Blowdown operation is performed at time intervals set in advance.
 Using contact signal from the terminal block, drive the solenoid valve and remove dust by blowing
instrumentation air, etc. into the flow guide tube with blowdown nozzle.
 "BLW" is displayed on the left of the measurement screen during automatic blowdown.
 If the output signal hold is set, the output signal is held to the set value before start of blowdown
during blowdown. After the calibration, the hold is maintained until the time set in the measurement
waiting time elapses.
 To perform automatic blowdown, "10.3.2 Date and time setting of automatic blowdown" and
"10.3.3 Automatic blowdown cycle setting" and "10.3.4 Procedure for setting blowdown time" are
required.
Blowdown contact
Analog output signal
Contact output for maintenance
Operation
(example)
Key operation
(1)
(2)
(3)
(4)
(5)
(6)
INZ-TN1ZKME-E

8.3 Automatic blowdown

Automatic blowdown
starting date
Setting the blowdown so that it is performed for 30 seconds every 24 hours from 13:00,
08/02/25
Display the screen on the right in accordance with the key
operation summary and press the
Press the key.
The auto blowdown valid/invalid setting screen appears.
Use the key to select the auto blowdown valid (YES).
Press the key to set the value.
Press the key.
The screen on the right appears.
Press the key to display the screen on the right and press
the key.
The date and time setting of automatic blowdown screen
appears.
Automatic blowdown
interval
Closed
Hold Hold
prolong
Description
key.
- 41 -
Closed
Hold
Displayed message
(LCD)
BLOW DOWN MENU
SET AUTO BLOW
SET AUTO BLOW
AUTO BLOW
BLOW DOWN
YES NO
BLOW DOWN
YES
SET AUTO BLOW
AUTO BLOW
SET AUTO BLOW
START DATE