Installation, Operating & Maintenance Instructions
Series 650 DN 100-250 (I.D. 4“ - 10”), CC-Link
VAT Vakuumventile AG, CH-9469 Haag, Switzerland
Tel +41 81 771 61 61 Fax +41 81 771 48 30 CH@vatvalve.com www.vatvalve.com
280672EB
2010-12-15
57/94
3.11.2 Digital input
Pin Function Signal type
Description Priority
3 CLOSE VALVE
Digital
input
1)
This function will close the valve.
Valve will be in interlock mode as long as function is activated.
After deactivation of function it will remain effective until
- converse CC-Link control command have been received
The function is activated when optocoupler is ‘on’ in non
inverted configuration.
The function is activated when optocoupler is ‘off’ in inverted
configuration.
Configuration can be done in local operation via service port.
1
2)
1
DIGITAL GROUND
Digital
ground
Ground for digital input. Connect switch to ground.
See also «3.11.1 Schematics».
1) The digital input is digitally filtered. Filter delay is 50ms. This means that digital signal must be applied for at
least 50ms to be effective.
Refer to «3.11.1 Schematics» for details about input circuit.
2) Highest priority is 1. Functions with lower priorities will not be effective as long as higher priority functions
are active. The digital input has higher priority than all CC-Link and Local commands and higher priority than
freeze mode. CC-Link, Local commands and freeze mode will not be accepted while digital input is active.
3.11.3 Digital output
Pin Function Signal type
Description Priority
2 VALVE CLOSED
Digital
output
This function will indicate that the valve is closed.
4
DIGITAL COMMON
Digital
common
Common for all digital output. Connect + or – terminal of source
with common.
See also «3.11.1 Schematics».
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