Displaying Destination Parameters Only; Communications - Emerson unidrive m200 User Manual

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5.11

Displaying destination parameters only

By selecting 'dest' in Pr mm.000 (Alternatively enter 12001 in
Pr mm.000), the only parameters that will be visible to the user will be
destination parameters. This function does not require a drive reset to
become active. In order to deactivate this function, return to Pr mm.000
and select 'none' (alternatively enter a value of 0).
Please note that this function can be affected by the access level
enabled, refer to section 5.9 Parameter access level and security on
page 76 for further information regarding access level.
5.12

Communications

Installing an AI-485 Adaptor provides the drive with a 2 wire 485 serial
communications interface. This enables the drive set-up, operation and
monitoring to be carried out with a PC or controller as required.
5.12.1 485 Serial communications
Communication is via the RJ45 connector or screw terminals (parallel
connection). The drive only supports Modbus RTU protocol.
The communications port applies a
network.
USB to EIA485 Communications
An external USB hardware interface such as a PC cannot be used
directly with the 2-wire EIA485 interface of the drive. Therefore a
suitable converter is required.
A suitable USB to EIA485 isolated converter is available from Control
Techniques as follows:
• CT USB Comms cable (CT Part No. 4500-0096)
When using one of the above converters or any other suitable converter
with the drive, it is recommended that no terminating resistors be
connected on the network. It may be necessary to 'link out' the
terminating resistor within the converter depending on which type is used.
The information on how to link out the terminating resistor will normally be
contained in the user information supplied with the converter.
Serial communications set-up parameters
The following parameters need to be set according to the system
requirements.
Serial communications set-up parameters
8 2 NP (0),
8 1 NP (1),
8 1 EP (2),
8 1 OP (3),
8 2 NP M (4),
Serial Mode 8 1 NP M (5),
(11.024) 8 1 EP M (6),
8 1 OP M (7),
7 1 EP (8),
7 1 OP (9),
7 1 EP M (10),
7 1 OP M (11)
300 (0),
600 (1),
1200 (2),
2400 (3),
4800 (4),
Serial Baud Rate
9600 (5),
(11.025)
19200 (6),
38400 (7),
57600(8),
76800(9),
115200 (10)
Serial Address
1 to 247
(11.023)
Unidrive M200 / M201 User Guide
Issue Number: 4
Electrical Getting Basic Running the
installation started parameters
1
/ unit load to the communications
4
The drive only supports the
Modbus RTU protocol and is
always a slave. This parameter
defines the supported data
formats used by the 485
comms port (if installed) on the
drive. This parameter can be
changed via the drive keypad,
via a option module or via the
comms interface itself.
This parameter can be
changed via the drive keypad,
via a option 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
sending a new message using
the new baud rate.
This parameter defines the
serial address and an
addresses between 1 and 247
are permitted.
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Advanced
Technical data Diagnostics
parameters
UL Listing
77