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User Manual
GFK-1503F
Enable Constant Sweep Mode
To enable Constant Sweep mode, enter SVCREQ function #1 with this parameter block:
Figure 174
Note:
Change the Constant Sweep Time
To change the timer value without changing the selection for sweep mode state, enter
SVCREQ function #1 with this parameter block:
Figure 175
Read the Constant Sweep State and Time
To read the current timer state and value without changing either, enter SVCREQ function
#1 with this parameter block:
Figure 176
Successful execution will occur, unless:
1. A number other than 0, 1, 2, or 3 is entered as the requested operation.
2. The sweep time value is greater than 500ms (0.5 seconds).
3. Constant sweep time is enabled with no timer value programmed or with an old
After the function executes, the function returns the timer state and value in the same
parameter block references:
The Service Request Function
If the timer should use a new value, enter it in the second word. If the timer value should
not be changed, enter 0 in the second word. If the timer value does not already exist,
entering 0 causes the function to set the OK output to OFF.
value of 0 for the timer.
Chapter 11
Jan 2020
179
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