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Installation, Operating & Maintenance Instructions
Series 615 DN 63-100 (I.D. 2.5“ - 4”), RS232
VAT Vakuumventile AG, CH-9469 Haag, Switzerland
Tel +41 81 771 61 61 Fax +41 81 771 48 30 [email protected] www.vatvalve.com
290227EA
2011-06-24
27/79
Operation:
Description / Mode
Digit 1
Digit 2
Digit 3
Digit 4
PRESSURE CONTROL mode
P
POSITION CONTROL mode
V
Valve closed
C
Valve open
O
Closed / open interlock
(Valve closed / open
by digital input)
I
HOLD (position frozen) activated
H
ZERO running
Z
LEARN running
L
Safety mode established. Refer to
«Safety mode» for details.
D
0 . . . 100
= valve position (%, 0 = closed / 100 = open)
Power failure
F
Service request
1)
(valve requires
cleaning)
S
R
1)
If SR is blinking alternatively with the actual mode display (e.g. P.11
⇔
..SR) the valve requires cleaning.
Note: RxD / TxD activity of RS232 communication is displayed by 2 blinking dots in digit 2. The lower dot indicates RxD
activity where the upper dot indicates TxD activity. The indication is not real time.
Fatal error:
Description
Digit 1
Digit 2
Digit 3
Digit 4
Fatal error occurred
E
Error code. Refer to «Trouble shooting» for details