Chapter 12 Description of Parameter SettingsCP2000
12.1-06-23
When Pr.06-58=0.00 Hz, PT100 function is disabled.
Example:
When using PT100, if the motor temperature is higher than 135°C (275°F), the drive starts to
count the delay time for auto-deceleration (Pr.06-59). The drive decreases the motor frequency to
the setting for Pr.06-58 when it reaches the delay time count value. The drive operates at the
frequency set for Pr.06-58 until the motor temperature is lower than 135°C (275°F). If the motor
temperature is higher than 150°C (302°F), the drive automatically decelerates to STOP and
displays the warning “oH3”.
Set up process:
1. Switch AFM2 to 0
–20 mA on the I/O control terminal block. (Refer to Figure 1, PT100 wiring
diagram)
2. Wiring (Refer to Figure 1, PT100 wiring diagram):
Connect external terminal AFM2 to (+)
Connect external terminal ACM to (-)
Connect external terminals AFM2 and AVI1 to “short-circuit”
3. Set Pr.03-00=11 or Pr.03-23=23 or Pr.03-33=45% (9 mA).
4. Refer to the RTD temperature and resistance comparison table
Temperature=135°C, resistance=151.71 ; input current: 9 mA, voltage: about 1.37 V
DC
Temperature=150°C, resistance=157.33 ; input current: 9 mA, voltage: about 1.42 V
DC
5. When the RTD temperature is > 135°C, the drive decelerates to the specified operation
frequency automatically. Then, Pr.06-56=1.37 and Pr.06-58=10 Hz. When Pr.06-58=0, it
disables the specified operation frequency.
6. When the RTD temperature is > 150°C, the drive outputs a fault, decelerates to STOP, and
displays the warning ‘oH3’. Then, Pr.06-57=1.42 and Pr.06-29=1 (warn and ramp to stop).
Software Detection GFF Current Level
Default: 60.0
Settings 0.0–6553.5% (100% corresponds to the light-load rated current of the drive)
Software Detection GFF Filter Time
Default: 0.10
Settings 0.00–655.35 sec.
When the drive detects that the unbalanced three-phase output current is higher than the setting
for Pr.06-60, GFF protection activates. The drive then stops output.
Operation Time of Fault Record 1 (Day)
Operation Time of Fault Record 2 (Day)
Operation Time of Fault Record 3 (Day)
Operation Time of Fault Record 4 (Day)
Default: Read only
Settings 0–65535 days
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