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Powerdrive F300 User Guide 123
Issue Number: 2
Pr 00.031 indicates the voltage rating of the drive.
Open-loop
When the drive is enabled with Pr 00.033 = 0, the output frequency
starts at zero and ramps to the required reference. When the drive is
enabled when Pr 00.033 has a non-zero value, the drive performs a
start-up test to determine the motor speed and then sets the initial output
frequency to the synchronous frequency of the motor. Restrictions may
be placed on the frequencies detected by the drive as follows:
If any number other than 0 is programmed into this parameter, user
security is applied so that no parameters except Pr 00.049 can be
adjusted with the keypad. When this parameter is read via a keypad it
appears as zero. For further details refer to section 5.9.3 User Security
Code on page 109.
This parameter defines the communications protocol used by the
EIA485 comms port on the drive. This parameter can be changed via the
drive keypad, via a Solutions Module or via the comms interface itself. If
it is changed via the comms interface, the response to the command
uses the original protocol. The master should wait at least 20 ms before
send a new message using the new protocol. (Note: ANSI uses 7 data
bits, 1 stop bit and even parity; Modbus RTU uses 8 data bits, 2 stops
bits and no parity).
The core drive always uses the Modbus rtu protocol and is always a
slave. Serial Mode (11.024) defines the data format used by the serial
comms interface. The bits in the value of Serial Mode (11.024) define the
data format as follows. Bit 3 is always 0 in the core product as 8 data bits
are required for Modbus rtu. The parameter value can be extended in
derivative products which provide alternative communications protocols
if required.
Bit 2 selects either standard or modified register mode. The menu and
parameter numbers are derived for each mode as given in the following
table. Standard mode is compatible with Unidrive SP. Modified mode is
provided to allow register numbers up to 255 to be addressed. If any
menus with numbers above 63 should contain more than 99 parameters,
then these parameters cannot be accessed via Modbus rtu.
Changing the parameters does not immediately change the serial
communications settings. See Reset Serial Communications (11.020)
for more details.
This parameter can be changed via the drive keypad, via a Solutions
Module or via the comms interface itself. If it is changed via the comms
interface, the response to the command uses the original baud rate. The
master should wait at least 20 ms before send a new message using the
new baud rate.
00.031 {11.033} Drive Rated Voltage
RO Txt ND NC PT
OL
Ú
200 V (0), 400 V (1),
575 V (2), 690 V (3)
Ö
RFC-A
RFC-S
00.033 {06.009} Catch A Spinning Motor (OL)
RW Num US
OL
Ú
Disable (0), Enable (1),
Fwd Only (2),
Rev Only (3)
Ö
Disable (0)
Pr 00.033 Pr string Function
0 Disable Disabled
1 Enable Detect all frequencies
2 Fwd only Detect positive frequencies only
3 Rev only Detect negative frequencies only
00.034 {11.030} User security code
RW Num ND NC PT US
OL
Ú
0 to 2147483647
Ö
0RFC-A
RFC-S
00.035 {11.024} Serial Mode
RW Txt US
OL
Ú
8 2 NP (0), 8 1 NP (1),
8 1 EP (2), 8 1 OP (3),
8 2 NP M (4),
8 1 NP M (5),
8 1 EP M (6),
8 1 OP M (7), 7 2 NP (8),
7 1 NP (9), 7 1 EP (10),
7 1 OP (11),
7 2 NP M (12),
7 1 NP M (13),
7 1 EP M (14),
7 1 OP M (15)
Ö
8 2 NP (0)
RFC-A
RFC-S
Pr Value Pr String
08 2 NP
18 1 NP
28 1 EP
38 1 OP
48 2 NP M
58 1 NP M
6 8 1 EP M
78 1 OP M
87 2 NP
97 1 NP
10 7 1 EP
11 7 1 OP
12 7 2 NP M
13 7 1 NP M
14 7 1 EP M
15 7 1 OP M
Bits 3 2 1 and 0
Format
Number of data bits
0 = 8 bits
1 = 7 bits
Register mode
0 = Standard
1 = Modified
Stop bits and Parity
0 = 2 stop bits, no parity
1 = 1 stop bit, no parity
2 = 1 stop bit, even parity
3 = 1 stop bit, odd parity
Register mode Register address
Standard (mm x 100) + ppp - 1 where mm ≤ 162 and ppp ≤ 99
Modified (mm x 256) + ppp - 1 where mm ≤ 63 and ppp ≤ 255
00.036 {11.025} Serial Baud Rate
RW Txt US
OL
Ú
300 (0), 600 (1), 1200 (2),
2400 (3), 4800 (4),
9600 (5), 19200 (6),
38400 (7), 57600 (8),
76800 (9), 115200 (10)
Ö
19200 (6)
RFC-A
RFC-S
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