C4 User Manual
October 25, 2021 ©2021 Smartrise Engineering, Inc. All Rights Reserved Page 139
can be inverted using parameter 01-0067. If the elevator is moving at NTS speed, this may be
the cause. For the list of parameters, see the C4 Parameter List.
Parameters are provided to reduce the sensitivity of ETS and NTS tripping points.
12.1 NTS ODL
The NTS overspeed debounce limit (ODL) is used to reduce the sensitivity of the NTS trip points.
Increase this value by 3-5 points to reduce nuisance tripping if elevator tracking is off at the
terminal floors.
The following procedure describes how to set the NTS ODL.
1. Navigate to MAIN MENU | SETUP | SAFETY. See Figure 54.
2. From the SAFETY menu, scroll and select NTS ODL.
Figure 193: SAFETY Menu – NTS ODL
3. From the NTS ODL menu, enter the NTS debounce limit.
Figure 194: NTS ODL
4. Scroll right and press Save
12.2 ETS ODL
The ETS ODL is used to reduce the sensitivity of the ETS trip points. Increase this value by 3-5 points to
reduce nuisance tripping if elevator tracking is off at the terminal floors.
The following procedure describes how to set the ETS ODL.
1. Navigate to MAIN MENU | SETUP | SAFETY. See Figure 54.
2. From the SAFETY menu, scroll and select ETS ODL.
Figure 195: SAFETY Menu – ETS ODL
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