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43-TV-25-35 GLO Iss.4 Dec 06 UK
75
A5E01001767-04
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Modbus
(Main Menu > Configure > Setup > Edit Setup> Comms > Comms Services > Modbus)
Modbus can be used with RS485 or Ethernet ports. The Modbus protocol defines a mes-
sage structure that controllers will recognise and use, regardless of the type of network over
which they communicate.
(RS485 is an option for the
SIREC D200
recorder).
•
Enabled
- Toggle On and Off
•
Port
- Select this for a list of available ports, either Ethernet or RS485. For port configu-
•
Baud Rate
- (Only available when the RS485 port in selected). Select this for a list of
available Baud Rates. This is the speed, in bps (bits per second), at which data is trans-
ferred.
•
Byte Options
- (Only available when the RS485 port is selected). Select this button for
a list of available Byte Options. The Byte Options consist of 3 digits comprising of Parity
(set to None N, Even E or Odd O), 8 Data Bits and Stop Bits, signifying the end of the
character string, 1 or 2,
•
Line Turn Around
- (Only available when the RS485 port in selected). This is for a 2-
wire line type. Data has to be fully transmitted before the line can be turned-around and
data can be received, or vice versa.
•
Reply Delay
- (Only available when the RS485 port in selected). Enter a delay time, in
milli seconds, before the recorder sends a reply. Recommended delay should be set to
12mS (min.) if using the Comms Server.
•
Protocol
- Select this for a list of available protocols. Modbus or Modbus X*. Modbus
and Modbus X can both use Ethernet or RS485 Ports. Protocols define the format in
which the data is transferred from the recorder to a PC or transfer between other
devices and peripherals.
•
Slave ID
- This is a unique Modbus ID/Address used by the recorder to identify Modbus
messages. Applications that talk to the recorder with Modbus will need to know this
number to return messages to the device. If you are using the Communication Server
on
SIREC Server
the same Slave ID number must be entered. (1-254)
*Modbus X
- Modbus X protocol differs from standard Modbus by the 4 floating point order
which is reversed for application compatibility.
When the configuration is complete select the Finish button to Commit, Discard or Commit
Later. Select the Back button to return to the previous menu.
Web
(Main Menu > Configure > Setup > Edit Setup > Comms > Comms Services > Web)
The Web browse function is enabled/disabled from this menu. Select this to enable and al-
low the recorder to be browsed on a web page. Internet access is required. The Web button
is password protected if passwords are enabled. For web browsing information see
Browser” on page 199 and “Internet Security Settings” on page 200.
See
“Level Permissions” on page 145
for information on how to Web Browse and have
full remote control of your recorder from your PC. The Remote View function is a firmware
option that is activated from the Factory menu >
.
Содержание SIREC D200
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