2-38 Parameter
Descriptions
7000-TD002A-EN-P – September 2007
Hall Effect Current Sensor Burden Motor [HECS Brden Motor]
Linear Number:
152
Default Value:
50.0 ohms
Minimum Value:
1.0 ohms
Maximum Value: 100.0 ohms
Access Level:
Service
Read/Write:
Read/Write when Stopped
This parameter specifies the value of the burden resistor for the motor current feedback. The default
value of burden resistor on the HECS input connector is 50 ohms. For drives with a higher current rating,
25 ohms may be required. This is accomplished by placing a 50-ohm resistor in parallel.
Hall Effect Current Sensor Ratio Motor [HECS Ratio Motor]
Linear Number:
150
Default Value:
4000
Minimum Value:
10
Maximum Value: 10000
Access Level:
Service
Read/Write:
Read/Write when Stopped
This parameter specifies the ratio of the current transducers used for the motor current feedback.
Rectifier Device Rating [RecDvc CurRating]
Linear Number:
144
Default Value:
800 A
Minimum Value:
0 A
Maximum Value: 3500 A
Access Level:
Service
Read/Write:
Read/Write when Stopped
This parameter specifies the current rating of the power semiconductor device used in the line converter.
The 6 SCR and 18 SCR drives use Silicon Controlled Rectifier (SCR) while the 6 PWM drives use
Symmetric Gate Commutated Thyristor (SGCT). SCRs are typically 350A or 810A, while SGCT ratings
can be 400A or 800A or 1500A.
Inverter Device Rating [InvDvc CurRating]
Linear Number:
143
Default Value:
800 A
Minimum Value:
0 A
Maximum Value: 3500 A
Access Level:
Service
Read/Write:
Read/Write when Stopped
This parameter specifies the current rating of the power semiconductor device (SGCT) used in the
machine side converter. SGCT ratings can be 400A or 800A or 1500A.
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