Configuration
ETIC - MR1200 - USER MANUAL - 908709-02
Page 21
•
Enter the command "
PRP010;x
" followed by [Cr], where
x
is a number between 0 and 8 coding
the data format that the MR1200 will use for communication with the terminal :
x
=0 :
7E1 (7 bits, even parity, 1 stop)
x
=5 :
8-1 (8 bits, no parity, 1 stop)
x
=1 :
7O1 (7 bits, even parity, 1 stop)
x
=6 :
8E1 (8 bits, even parity, 1 stop)
x
=2 :
7-2 (7 bits, no parity, 2 stops)
x
=7 :
8O1 (8 bits, even parity, 1 stop)
x
=3 :
7E2 (7 bits, even parity, 2 stops)
x
=8 :
8-2 (8 bits, no parity, 2 stops)
x
=4 :
7O2 (7 bits, even parity, 2 stops)
•
Enter the command "
PRP011;y
" followed by [Cr], where
y
is a number between 0 and 6 coding
the data rate the MR1200 will use for communication with the terminal :
y
=0 :
150 b/s
y
=3 :
1200 b/s
y
=6 :
9600 b/s
y
=1 :
300 b/s
y
=4 :
2400 b/s
y
=2 :
600 b/s
y
=5 :
4800 b/s
•
If the MR1200 is to be used to transmit MODBUS/JBUS frames, enter the command
"
PRP030;1
" followed by [Cr]. Now, use the "
RLP53
" command followed by [Cr] to check that
when receiving data, the wait time is sufficiently long so as to not strip off these frames and thus
inhibit block mode : "
LSP53;5
" (minimum).
•
Operating the "CONFIGURATION" push-button one last time will turn off the indicators and
disconnect the terminal.
•
Connect the modem to one of the DTEs that will be using radio communication. The MR1200
will work with a 4-wire cable carrying the RS232 serial interface circuits 103-TD, 104-RD and
02-SG. A wire for the 106-CTS signal is optional - the modem uses this circuit for handshaking.
Check which DTE serial interface loops are necessary for it to function correctly : most PCs, for
example, require a loop between the 107-DSR and 08-DTR lines, plus the 106-CTS circuit to be
wired.
•
Prepare and install the other radio modems in the same way before running the application.
To read a modem's configuration quickly, use the "
RLP P1
" and "
RLP P2
" commands to provide a
two-page listing of the settings.
Once configured, it is advisable to write down the modem settings in the "MODEM
CONFIGURATION" table provided in the appendix.
3.4. Operating parameters and options
The following paragraphs describe the MR1200 configuration parameters in detail.
The default values for MR1200 parameters and options have a * next to them. These are the values
assigned when the modem is first switched on or when the "
RES1
" command is sent.
3.4.1. Configuring the terminal-modem interface
Parameters 010 [f_v24] and 011 [v_v24]
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