DAILY START-UP OF THE PC
C:>CD \KERMIT <ENTER or RETURN>
C:\KERMIT>KERMIT <ENTER or RETURN>
(This will put you into SERVER MODE if the
"MSKERMIT.INI" has been set up as shown:)
File: MSKERMIT.INI
TROUBLESHOOTING
SYSTEM TEST
1. On the FM Multi-Axis Control, press the follow-
ing softkeys to display the RS-232 Test screen:
“Store/Comm”
“Comm Menu”
“RS232 Parm/Test”
“RS232 Test”
Insert wire jumpers in the communications port
connector as instructed on the TEST screen.
Press the “Perform Test” softkey. If the test fails,
the communications port on the CPU board has
failed and the board must be replaced. If the
test passes, remove the jumpers and connect
the cable to the PC. Continue testing to verify
the PC port and cabling.
2. Follow the “DAILY START-UP” procedure for the
PC to start Kermit. Press <Ctrl C>, then at the
Kermit command prompt (MS-Kermit), type
CONNECT <RETURN>. This puts Kermit in the
terminal mode.
3. Press the “Perform Test” softkey to initiate the
test. The FM will transmit a test string out the
communications port: “ABCDEFGHIJ123456”.
If all is well, this string will show up on the PC
display. This will verify the connection from the
FM to the PC.
Note: The FM will indicate that the test has
failed, this is normal.
If the test string does not show up on the PC
screen, follow the “Troubleshooting” section
below for the configuration being used.
4. Press the “Perform Test” softkey on the FM and
immediately type “ABC123” on the PC key-
board. The keys typed should show up on the
FM control screen after “RECVD MESSAGE:”.
This will verify the connections from the PC to
the FM. If the test string does not show up on
the FM screen, follow the “Troubleshooting”
section below for the configuration being used.
5. If the characters received in the above tests do
not match the transmitted characters, check
the baud rate of the PC and FM to make sure
they are the same. The recommended baud
rate is 9600. Slower bauds (lower numbers)
can be used for better noise immunity on long
cable runs.
6. If a file transfer is attempted from the FM with
Kermit on the PC in terminal mode, the follow-
ing string should be displayed one or more
times on the PC screen:
“S~-@-#Y1~”
This is the normal Kermit packet sent to estab-
lish the data link.
Troubleshooting the Recommended Configuration
1. If no characters are displayed on one or both of
the screens, isolate the PC from the CINCIN-
NATI control by disconnecting the TDA, TDB,
RDA and RDB wires from the B&B Electronics
422 to 232 converter terminal strip.
2. Check the PC by connecting wire jumpers from
TDA to RDA and TDB to RDB on the 422 to 232
converter terminal strip (refer Figure 9-18).
Characters typed on the PC keyboard should
now be displayed on the PC screen.
3. If characters are not displayed, verify that the
422 to 232 converter 12V power supply is
plugged into a live outlet and check the voltages
on the terminal strip against the voltages listed
in Figure 9-18. Part of the power for the 422 to
232 converter is supplied by the PC serial port
handshake lines. The handshake lines do not
become active until the port is initialized by
Kermit. Verify that the 422 to 232 converter is
connected to the actual port selected by the SET
PORT command in the MSKERMIT.INI file.
If a third party serial port expansion board is
used, examine the board documentation care-
fully to ensure that any board jumpers or
switches are set correctly and that there are no
conflicts with serial ports on the mother board
or on other expansion boards. The 422 to 232
converter supplies a jumper from pin 4 to pin 5
and from pins 6 and 8 to pin 20 to satisfy most
comment – MSKERMIT.INI Kermit
initialization
comment – set comm parameters
set port 1
set baud 9600
set file type binary
set warning off
comment – set kermit parameters
set send timeout 4
set receive timeout 4
set retry 10
comment – start up the server
server
9-15
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