Honeywell SmartVFD HVAC MR4 User Manual page 138

Variable frequency drives for constant and variable torque applications
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HVAC A
PPLICATION
Output
FWD
frequency
REV
Ctrl
signal 1 A/B
Ctrl
signal 2 A/B
100K09
FWD
Output
frequency
REV
Ctrl
signal 1
Start
Ctrl
signal 2
Stop
Stop function
(M3.2.5)
= coasting
Figure 7. Start forward
Stop function
(M3.2.5)
= Coasting
Figure 8. Start pulse/ Stop pulse
Stop function
(M3.2.5)
= ramp
1
2
If Start and Stop pulses are
simultaneous the Stop pulse
overrides the Start pulse
t
100K16
Honeywell
• 66
t
3

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