8.3.3. Display Testing
“diSP” is displayed, and press to enter the display testing; the bits of segment code a is lighted
from the first bit to the seventh bit in turns, so is the segment b, c, d, e, f, g, dp.
8.3.4. Serial Port Testing
（1）When the product you’ve purchased is RS232
“SEr”is displayed, and press
、
to select “SEr1”
（
or “SEr2” when there is serial port 2
）
,
and press to test the serial port. If there’s nothing wrong with the communication port,
“SEr1-oK”is displayed; otherwise
，
”SEr1-Err” is displayed.
Note：Before testing RS232，short TX/A and RX/B; don’t pull in/out the serial port line when
power is on.
（2）When the product you’ve purchased is RS485
This menu can not be used to test RS485. An external RS485 interface in good state is needed to
test the TR700 communication.
8.3.5. Display the Version Number
“Edit”is displayed; press , and the version number will be displayed.
8.3.6. Display the Serial Number
“S.n.”is displayed; press , and the serial number will be displayed, which is united by the plant
and is accord with the transmitter’s.
8.3.7. External controlling input testing
“di”is displayed; press to enter the input testing, and “diXXXX”is displayed. The “di” stands for
input testing, and the latter four bits correspond to the four inputs. If there is an input, “1” will be
displayed on the corresponding LED, otherwise “0” is displayed.
8.3.8. Relay Output Testing
“do”is displayed; press to enter the output testing, and“doXXXX” will be displayed. The “do”
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