TECO F33 Series, Инструкция по эксплуатации, Страница: 76 / 192

Functional Description 73
When the selection Trip is set in menu [231] the VSD
trips if this limit is exceeded.
When the selection Limit is set in menu [231] the VSD
reduces the torque if the integrated value is 95% or
closer to the limit, so that the limit cannot be exceeded.
Example
In Fig. 72 the thick grey line shows the following exam-
ple.
• Menu [232] Mot I
2
t Curr is set to 100%.
1.2 x 100% = 120%
• Menu [233] Mot I
2
t Time is set to 1000 s.
This means that the VSD will trip or reduce after 1000 s
if the current is 1.2 times of 100% nominal motor cur-
rent.
Thermal Protection [234]
Only visible if the PTC/PT100 option board is installed.
Set the PTC input for thermal protection of the motor.
The motor thermistors (PTC) must comply with DIN
44081/44082. Please refer to the manual for the PTC/
PT100 option board.
Menu [234] PTC contains functions to enable or disa-
ble the PTC input.
Communication information
Motor Class [235]
Only visible if the PTC/PT100 option board is installed.
Set the class of motor used. The trip levels for the
PT100 sensor will automatically be set according to the
setting in this menu.
Communication information
PT100 Inputs [236]
Sets which of PT100 inputs that should be used for
thermal protection. Deselecting not used PT100 inputs
on the PTC/PT100 option board in order to ignore those
inputs, i.e. extra external wiring is not needed if port is
not used.
NOTE: If it is not possible to reduce the current, the VSD
will trip after exceeding 110% of the limit.
Default: Off
Off 0
PTC and PT100 motor protection are disa-
bled.
PTC 1
Enables the PTC protection of the motor
via the insulated option board.
PT100 2
Enables the PT100 protection for the
motor via the insulated option board.
PTC+PT100 3
Enables the PTC protection as well as the
PT100 protection for the motor via the
insulated option board.
Modbus Instance no/DeviceNet no: 43064
Profibus slot/index 168/223
Fieldbus format UInt
Modbus format UInt
NOTE: PTC option and PT100 selections can only be
selected when the option board is mounted.
234 Thermal Prot
Stp Off
A
Default: F 140
°
C
A 100
°
C 0
E 115
°
C 1
B 120
°
C 2
F 140
°
C 3
F Nema 145
°
C 4
H 165
°
C 5
Modbus Instance no/DeviceNet no: 43065
Profibus slot/index 168/224
Fieldbus format UInt
Modbus format UInt
NOTE: This menu is only valid for PT 100.
Default: PT100 1+2+3
Selection:
PT100 1, PT100 2, PT100 1+2, PT100
3, PT100 1+3, PT100 2+3, PT100
1+2+3
PT100 1 1 Channel 1 used for PT100 protection
PT100 2 2 Channel 2 used for PT100 protection
PT100 1+2 3 Channel 1+2 used for PT100 protection
PT100 3 4 Channel 3 used for PT100 protection
PT100 1+3 5 Channel 1+3 used for PT100 protection
PT100 2+3 6 Channel 2+3 used for PT100 protection
PT100 1+2+3 7
Channel 1+2+3 used for PT100 protec-
tion
235 Mot Class
Stp F 140
°
C
A
236 PT100 Inputs
Stp PT100 1+2+3
A