Danfoss VLT HVAC Series User Manual

Once a second, the value of the operating variable selected is registered. If a value has been registered to equal 13%, the counter “10%–<20%” will be
updated with the value “1”. If the value stays at 13% for 10s, then “10” will be added to the counter value.
The contents of counters can be displayed as bars on LCP. Select
Quick Menu > Loggings : Trending Continued Bin / Trending Timed Bin / Trending
Comparison
.
NOTE!
The counters starts counting whenever the adjustable frequency drive is powered up. The power cycle will shortly after a reset zero
the counters. EEProm data are updated once per hour.
23-60 Trend Variable
Option: Function:
Select the desired operating variable to be monitored for trending.
[0] * Power [kW] Power yielded to the motor. Reference for the relative value is the rated motor power programmed
in par.1-20
Motor Power [kW] or par.1-21 Motor Power [HP] . Actual value can be read in par.
16-10
Power [kW] or par.16-11 Power [hp] .
[1] Current [A] Output current to the motor. Reference for the relative value is the rated motor current programmed
in par.1-24
Motor Current . Actual value can be read in par.16-14 Motor Current .
[2] Frequency [Hz] Output frequency to the motor. Reference for the relative value is the maximum output frequency
programmed in par.4-14
Motor Speed High Limit [Hz] . Actual value can be read in par.16-13 Fre-
quency
.
[3] Motor Speed [RPM] Speed of the motor. Reference for relative value is the maximum motor speed programmed in par.
4-13
Motor Speed High Limit [RPM] .
VLT
®
HVAC Drive Programming Guide 3 Parameter Description
MG.11.C6.22 - VLT
®
is a registered Danfoss trademark 3-223
3

Danfoss VLT HVAC Series Specifications

General

Protection Features	Overcurrent, Overvoltage, Undervoltage, Overtemperature, Short circuit
Communication Interfaces	Profibus, Ethernet
Cooling Method	Forced convection
Ambient Temperature	-10°C to +40°C
Enclosure Rating	IP20, IP21, IP55
Output Voltage	0 - 100% of supply voltage