For a single duct system
1 In WebCTRL, on the control program's Logic page, select the U-Line
Airflow Control microblock.
2 On the Details tab in the Flow Sensor field under Hardware
Configuration, select External flow sensor.
3 In the Input Number field, type 1.
4 In the I/O Type field, select Flow Input.
5 At the bottom of the Details tab, click the plus sign (+) to the left of Flow
Input (AI) Configuration.
6 In the Sensor Type field under Calibration, select No Translation.
For a dual duct system
1 In WebCTRL, on the control program's Logic page, select the Airflow
Control microblock for Flow #1.
2 On the Details tab in the Flow Sensor field under Hardware
Configuration, select External flow sensor.
3 In the Input Number field, type 1.
4 In the I/O Type field, select Flow Input.
5 At the bottom of the Details tab, click the plus sign (+) to the left of Flow
Input (AI) Configuration.
6 In the Sensor Type field under Calibration, select No Translation.
7 On the Logic page, select the airflow control microblock for Flow #2.
8 Repeat steps 2 through 6 for Flow #2, typing 2 in step 3.
NOTE When performing test and balance, follow the steps under Test and
Balance on the Airflow Control microblock's Properties page Details tab in
WebCTRL.
To set up the module driver
After you download the module driver and control program to the ZN551, you
may want to change the module driver's properties to suit your application.
1 On WebCTRL's NET tree, click the plus sign (+) to the left of your ZN551.
NOTE Driver properties are on the Driver Properties page and on its
children in the tree.
2 Click the page you want to view, then change properties as needed.
Driver
On this page, you can change the following properties:
• Module clock synchronization and failure. See table below.
• Network Input microblock communication properties.
ZN551 Control Module • Rev. 3/17/2005 13 © 2005 Automated Logic Corporation
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