VAT 642 Series - Page 65

Series 642 INSTALLATION
813316EB Edition 2017-11-24 65/
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GENERAL CONTROL SETPOINT bitmap table:
Bit Description
0
ZERO
0 = No Operation
1 = ZERO adjust, the actual pressure signal is set to internal pressure 0. The valid range for
adjustment is limited to -1.4V…+1.4! Otherwise the sensor must be adjusted!
1
NOT USED (reserved)
-
2
PING PONG TX BIT
PING PONG TX BIT transmitted from the master (PLC), is used to check the loop "master PLC -
VAT station". See chapter: 3.11.9 Communication and timing control between Master
(PLC) and Station (Valve)
3
NOT USED (reserved)
-
4
ACCESS MODE LOCKED
Start mode Access mode locked bit End mode
local Set bit: 01 locked
locked Reset bit: 10 remote
remote Set bit: 01 locked
Example:
1. from local to locked
• 1st step : set bit (01)
2. from local to remote
• 1st step : set bit (01)
• 2nd step: reset bit (10)
3. from remote to locked
• 1st step : set bit (01)
4. from locked to remote
• 1st step : reset bit (10)
5-15
NOT USED (reserved)
-