Delta CT2000 Series User Manual page 292

 When Pr.06-06 and Pr.06-09 are set to 1 or 3, it will display a warning message and won't have an
abnormal record.
 When Pr.06-06 and Pr.06-09 are set to 2 or 4, it will display a warning message and will have an
abnormal record.
Over-torque Detection Level (OT1)

Settings
Over-torque Detection Level (OT1)

Settings
Over-torque Detection Level (OT2)

Settings
Over-torque Detection Time (OT2)

Settings
 Over torque detection is determine by the following method: if the output current exceeds the
over-torque detection level (Pr.06-07, factory setting: 150%) and also exceeds Pr.06-08
Over-Torque Detection Time, the fault code "ot1/ot2" will appear. If a Multi-Functional Output
Terminal is to over-torque detection (setting 7 or 8), the output is on. Please refer to
Pr.02-13~02-14 for details.
Current Limit

Settings
 Pr.06-12 sets the maximum output current of the drive. Pr.06-12 and Pr.11-17 ~ Pr.11-20 are used
to set the drive's output current limit. When the drive is in VF, SVC or VFPG control mode, output
frequency will decreases as the output current reaches current limit. It is a current stall prevention.
Electronic Thermal Relay Selection (Motor 1)

Electronic Thermal Relay Selection (Motor 2)

Settings
Chapter 12 Description of Parameter SettingsCT2000 Series
10 to 250% (100%: drive's rated current)
0.0~60.0 sec
10 to 250% (100%: drive's rated current)
0.0~60.0 sec
current
Pr.06-08, 06-11
0~250% (100%: drive's rated current)
0: Inverter motor (fan doesn't run with the axel synchronously)
12.1-06-5
Factory Setting: 120
Factory Setting: 0.1
Factory Setting: 120
Factory Setting: 0.1
5%
Pr.06-07,
Pr.06-10
Factory Setting: 170
Factory Setting: 2