Transmission Error; Error Display - TEC MA-1650-4 Series Programming Manual

11. TRANSMISSION ERROR

When a terminal makes an inquiry but a communication error occurs for some reason and the inquiry to the other
station is not possible, the message "IRC CONNECT ERR" (standard program; programmable) is displayed on
that terminal and operation is stopped.
When the Master Terminal cannot access the inquiring file because the Master Terminal is receiving DLL data,
the backup data is being updated between the Master and the Backup Master terminals, etc., the message
"MASTER IS BUSY" (standard program; programmable) is displayed and operation is stopped.
11.1 CAUSE OF ERROR
11.1.1 "IRC CONNECT ERR"
a) Communication with the other station is not possible due to a connection error (cable cut, Master Terminal's
Power-OFF, etc.).
b) Communication was made, but due to a text error, the other station cannot recognize it correctly.
11.1.2 "MASTER IS BUSY"
Cannot access the inquiring file due to the following causes:
a) The Master Terminal is receiving DLL data from the PC.
b) Programming operations are under way on the Master Terminal.
c) Backup data updating process is under way.
d) Read/Reset Report taking operation is under way on the Master Terminal. (inapplicable to a system
with the CVS spec. selected)
e) ULL operations are under way on the Master Terminal.
f) Copy of the relevant table into the communication buffer area is under way on the Master Terminal.
(Applicable to a system with the CVS spec. selected).

11.2 ERROR DISPLAY

IRC CONNECT ERR
I R
<16-digit Dot Windows>
C C O N N E C T
- 32 -
E R 0 1
Terminal ID of the
other station
EO3-11070
MA-1650-4 SERIES