Bulletin f-107-uxf3 – Dwyer UXF3 User Manual
Page 84
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4.11.7. How to validate a serial transmission (RS-232C/RS-485)
Description
z Validates a transmission before using the transmission function.
Setting content
Transmission type, transmission rate, parity, stop bits and slave No.
Settable range
Transmission type
: RS-232C (factory set) or RS-485.
Transmission rate (BAUD RATE) : 2400 BPS, 4800 BPS, 9600 BPS (factory set), 19200 BPS, or 38400 BPS.
Parity
: NONE, EVEN (factory set), ODD
Stop bits
: 1 BIT (factory set), 2 BITS
Station No.
: 1 to 31 (factory set: 1)
Communication protocol
: MODBUS RTU mode (factory set)
N
.
For actual keying, refer to the typical operation indicated below. Set the parameter protection to OFF beforehand. (See Section 4.4.1.)
Operation
(example)
Select the RS-485, and set the baud rate to 9600 BPS, the parity to "NONE", the stop bits to "1 BIT", and the slave
No. to "5".
Key operation
Description
Display
ź
Press the
key 4 times to display “MAINTENANCE MODE”.
MAINTENANCE MODE
ENT
ź
Press the
ENT
key once to display “RAS INFORMATION”.
RAS INFORMATION
0000000000000000
ź
Press the
key 7 times to display “COMMUNICATION”.
COMMUNICATION
ENT
ź
Press the
ENT
key once to select, and press it once again to blink on the
2nd line.
MODE
RS-232C
ź
Press the
key once to display “RS-485”.
MODE
RS-485
Press the
ENT
key once to register.
MODE
COMPLETE
Ļ
ENT
ź
ź
ź
ź
ʊʊʊ RS-485 has been registered. ʊʊʊ
MODE
RS-485
ź
Press the
key once to display “BAUD RATE”.
Because “9600 BPS” is set, go to the next step.
To select other baud rate, press the
ENT
key, and select by the
key,
and register by the
ENT
key.
BAUD RATE
9600BPS
ź
Press the
key once to display “PARITY”.
PARITY
ODD
ENT
ź
Press the
ENT
key once to blink on the 2nd line.
PARITY
ODD
ź
Press the
key once to display “NONE”.
PARITY
NONE
Press the
ENT
key once to register.
PARITY
COMPLETE
Ļ
ENT
ź
ź
ź
ź
ʊʊʊ “NONE” has been registered. ʊʊʊ
PARITY
ODD
ź
Press the
key once to display “STOP BIT”.
Because “1 BIT” is set, go to the next step. To select “2 BITS”, press the
ENT
key, and select by the
key, and register by the
ENT
key.
STOP BIT
1 BIT
ź
Press the
key once to display “STATION No.”.
STATION NO.
01
Bulletin F-107-UXF3