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InstantHMI User DLL
Step 3:
Page 14-9
Make sure your controller is connected properly and communicates with InstantHMI.
Step 4: Verify that the time triggering occurs as expected and the controllers 1 and 2 turn On and
Off as desired.
14.7.3 Application to Watlow Controllers
This example will illustrate the parameter setup in the above User DLL to set Output 2 on the
Watlow 96 Controller (= address 717) to heat at 3:00am and to turn off at 7:00pm for controller
stations 1 and 2. It will also disable the time trigger control on Sundays, December 25, 1997 and
July 4, 1998.
The [USERDLL] section in the IHMI-4.INI contains the following:
[USERDLL]
REGISTER=717
FIRST_STATION=1
LAST_STATION=2
ON_HOUR=3
ON_MINUTE=0
ON_VALUE=1
OFF_HOUR=19
OFF_MINUTE=0
OFF_VALUE=0
SKIP_SATURDAYS=NO
SKIP_SUNDAYS=YES
NUMBER_OF_EXCEPTIONS=2
SKIP1=12/25/97
SKIP2=07/04/98
14.8 Example 4:Commercial Laundry Controller
14.8.1 Introduction
This user DLL involves a specific implementation using ACS Controllers (an OEM manufacturer) in a
Commercial Laundry application.
14.8.2 Laundry Application Time Line of Activity
Step 1:
Operator loads Washer.
Step 2:
Operator enters Product Code into ACS Controller
Step 3:
Operator pushes Start button on the Washer.
Step 4: User DLL detects Start button press and loads the wash formula of the entered Product
Code into the Washer.
Step 5: Washer is sequenced by ACS Controller as per loaded formula. User DLL monitors the
status of ACS Controllers and PLCs.
Step 6:
Washer finishes the load.
Step 7:
When Washer is finished with load, User DLL signals the Shuttle to pick up the load.
InstantHMI: Copyright © 2000-2008 Software Horizons Inc.
5.0 - 20Jul2008