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Installation, Operating & Maintenance Instructions
Series 650 DN 100-
250 (I.D. 4“ - 10”), DeviceNet
VAT Vakuumventile AG, CH-9469 Haag, Switzerland
Tel +41 81 771 61 61 Fax +41 81 771 48 30 [email protected] www.vatvalve.com
266341ED
2012-07-13
29/79
3.6 Setup procedure
To enable this valve for
pressure control
setup
steps 1 to 5 must be performed
.
In case position control is required only it‟s sufficient to perform steps 1 to 3.
Setup step
Description
1
Power up
Turn on ex 24VDC power supply (and external 15 VDC for sensor power
supply if required). Refer to chapter «Behavior during power up» for details.
2
DeviceNet
®
configuration
DeviceNet
®
node number and baudrate for valve must be selected.
DeviceNet
®
parameters must be adapted according to application needs.
Refer to chapter «DeviceNet® configuration» for details.
3
Valve and sensor
configuration
Basic configurations of the valve must be adapted according to application needs.
Refer to chapter «Valve and sensor configuration» for details.
4
ZERO
Compensation of the sensor offset voltage.
Refer to chapter «ZERO» for details.
5
LEARN
Determination of the vacuum system characteristic to accommodate the PID controller.
Refer to chapter «LEARN» for details.
Note:
Without LEARN the valve is not able to run pressure control
3.6.1 DeviceNet
®
configuration
MSD and LSD switches are arranged in unusal order. Make sure to select the correct node number.
DeviceNet
®
node number and baudrate for valve must be selected. DeviceNet
®
parameters must be adapted according to
application needs.
Note:
It‟s not the goal of this manual to describe the configuration of all parameters.
Several tools and interfaces from different vendors are on the market. For communication structure and way of
commanding with these tools and interfaces you need to consult the vendor.
Operation via DeviceNet
®
is sophisticated and requires specific knowledge and training about it and its tools.
VAT offers valve-related but not general DeviceNet
®
support. Contact us under: [email protected]
1. The
node number
is the device address and can be selected by two rotary switches which are on the panel. Set the
most significant digit (MSD) with the middle switch and the least significant digit (LSD) with the left switch. For
example, to set the address to 13, set the MSD to 1 and the LSD to 3. (Factory default is 00).
Note:
In case a valid node number (0-63) is selected the number will be used at start of system as MAC-Id of the
device and stored in the device memory. In this case node number is not selectable by DeviceNet
®
service.
If an invalid node number is selected (> 63) node number will be read from the device memory and node number is
settable by DeviceNet
®
.
2. The
baudrate
can be selected by a rotary switch which is also on the panel.
Note:
If a valid baudrate is selected (125kBaud, 250kBaud, 500kBaud), the rate will be used and stored in the device
memory as actual baudrate (Factory default is 500kb). In this case baudrate is not selectable by DeviceNet
®
service.
If an invalid baudrate is selected, the baudrate will be read from the device memory and the rate is settable by
DeviceNet
®
.