Rockwell-automation 22B PowerFlex 4/40 Custom FW, DB-Modbus Enhancemen Manual do Utilizador descarregar pdf (Página 2)

A.1 PLC Read Registers - Output from Drive

Name Type Range

2048 Logic Status Word Binary Binary defined (A.2)

2049 Reserved Integer 16 bit

2050 Reserved Integer 16 bit

2051 Output Frequency (Feedback) Integer 16 bit 0..240.00 Hz

2052 Output Speed (Feedback) Integer 16 bit 0..10000 RPM

2053 Output Current Integer 16 bit 0..99.9 A

2054 Heat Sink Temperature Integer 16 bit 0..120°C

2055 Motor Power Integer 16 bit 0..99.99kW

2056 Output Voltage Integer 16 bit 0..999.9 V

2057 Energy Integer 16 bit 0..65535kWh

2058 Drive Error (same as D007) Integer 16 bit 0..122

Note: All values are without sign. The Modbus values have there decimal point adjusted as

defined in the table and not as defined in the standard instruction manual.

A.2 Definition for the Logic Status Word

Bit 15 – 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

Not used Running at

Zero Speed

At Freq Alarm Faulted Running +

Backward

Running

Ready

Detailed bit description:

Running at Zero Speed Bit = 1 when speed is below 2% of max frequency

At Freq Bit = 1 when output frequency reached frequency command.

Alarm Bit = 1 when alarm is active

Faulted Bit = 1 when drive has tripped on fault.

Running + Backward Bit = 1 when running backwards

Running Bit = 1 when running

Ready Bit = 1 when ready and accepting frequency commands.

A.3 PLC Write Registers - Input to Drive

Name Type Range

2000 Logic Control Word Binary 16 bit Binary defined (A.4)

2001 Reserved Binary 16 bit

2002 Frequency Command relative to P035 Integer 16 bit 0..100.00% Fmax

2003 Reserved for customer, not used in the drive Integer 16 bit

2004 Reserved for customer, not used in the drive Integer 16 bit

2005 Reserved for customer, not used in the drive Integer 16 bit

2006 Reserved for customer, not used in the drive Integer 16 bit

The first register 2000 is used for the “Logic Control Word” and the register 2002 for the

“Frequency (Speed) Command”. The following up 4 registers from 2003 to 2006 are especially

reserved for the customer and are not used in the drives but external.

PowerFlex 4/40 Custom Firmware

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