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4.11.6. How to validate a serial transmission (RS-485)
Description
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-485.
Transmission rate (BAUD RATE) : 9600 BPS (factory set) or 19200 BPS, 38400BPS.
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) or M-Flow (Fuji Electric’s M-Flow [Type: FLR] protocol)
Note) For the transmission specifications, refer to the separate instruction manual “Ultrasonic Flowmeter Communication functions”
(INF-TN5A1564-E).
For actual keying, refer to the typical operation indicated below. Set the protection to OFF beforehand. (See Section 4.4.1.)
Operation
(example)
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
▼
Press the key for 4 times to display “MAINTENANCE MODE”.
MAINTENANCE MODE
ENT
▼
Press the
ENT
key once to display “RAS INFORMATION”.
RAS INFORMATION
0000000000000000
▼
Press the key for 6 times to display “COMMUNICATION”.
COMMUNICATION
ENT
▼
Press the
ENT
key once to display
”
RS-485
“
MODE
RS-485
▼
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
▼
Press the key once to display “PARITY”.
PARITY
ODD
ENT
▼
Press the
ENT
key once to blink on the 2nd line.
PARITY
ODD
▼
Press the key once to display “NONE”.
PARITY
NONE
ENT
▼
▼
▼
▼
Press the
ENT
key once to register.
PARITY
COMPLETE
↓
――― “NONE” has been registered. ―――
PARITY
NONE
▼
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
▼
Press the key once to display “STATION No.”.
STATION No.
01
ENT
▼
Press the
ENT
key once to blink the cursor.
STATION No.
01
▼
Set “5” by the and the key.
STATION No.
05
ENT
▼
Press the
ENT
key once to register.
STATION No.
COMPLETE
↓
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