Installation, Operating & Maintenance Instructions
Series 650 DN 100-250 (I.D. 4“ - 10”), RS485
VAT Vakuumventile AG, CH-9469 Haag, Switzerland
Tel ++41 81 771 61 61 Fax ++41 81 771 48 30 Email
www.vatvalve.com
271149EA
2007-06-12
25/77
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
Power failure
F
0 . . . 100
= valve position (%, 0 = closed / 100 = open)
Service request
1)
S
R
Cluster address information
MA
= Master
SL
= Slave
0 . . . FE
hex
= cluster address
Freeze mode
FROZ
= valve frozen
1)
SR is blinking alternatively with the actual mode display (e.g. C
⇔
SR)
Note: RxD / TxD activity of RS485 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.
Errors:
Description
Digit 1
Digit 2
Digit 3
Digit 4
Compressed air failure
(< 4 bar / 55 psi)
A I
R
f
Compressed air on exhaust
A I
R
x
Fatal error occurred
E
Error code. Refer to «Trouble shooting» for details