Remote Blowdown - Fuji Electric ZKME Instruction Manual

You can perform blowdown by the contact input of the external terminal block.
To perform remote blowdown, install piping and wiring for the supply air and the solenoid valve according
to Section 4.
(1) Set one of the contact inputs DI 1 to 3 to "Blowdown ON" in accordance with the following
operation procedure.
(2) Close the contact set to the "Blowdown ON" for one second or more (depending on the settings of
(17) to (19) and (20) of the terminal block).
(3) Blowdown is started. "RBL" is displayed on the left of the display panel, which disappears when the
blowdown is completed.
DI1
17
You can arbitrarily set the contact inputs (17) to (19) and (20) of the terminal block (see "10.5.2 Contact
input setting").
Piping and wiring for the supply air and the solenoid valve shall be installed.
Description
 You can perform blowdown by the contact input using this function.
 Actuate the solenoid valve attached to the exterior by the contact signal from the terminal block and
flow supply air sequentially. Blowdown is automatically performed.
 Refer to Sections "4.3" and "4.4" for the wiring of solenoid valves.
Operation
(example)
Key operation
(1)
(2)
(3)
(4)
INZ-TN1ZKME-E

8.4 Remote blowdown

DI2 DI3 DI COM
18 19 20
Performing remote blowdown
Display the screen on the right in accordance with the key
operation summary and press the
The contact input setting screen appears.
Press the key several times and select one of DI 1 to DI 3.
Press the key.
Press the key.
Contact is set.
Press the key several times and select "BLOW DOWN
ON".
Press the key to set the value.
ou can arbitrarily set the contact input functions.
Description
key.
- 43 -
Displayed message
(LCD)
PARAMETER MENU
DIGITAL INPUT
DIGITAL INPUT
DI 1
DI 1
NONE
DI 1
BLOW DOWN ON