Dwyer UXF2 User Manual
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4.7.6. How to validate a serial transmission (RS-232C/RS-485)
Description
z Check the serial communication before use.
Settable contents
Transmission type, transmission rate, parity, stop bits and slave No.
Settable ranges
Transmission type
: RS-232C (factory set) or RS-485.
Transmission rate (baud rate) : 2400 BPS, 4800 BPS, 9600 BPS (factory set), 19200 BPS.
Parity :
NON
(factory set), ODD, EVEN.
Stop bits
: 1 BIT (factory set), 2 BITS.
Slave No.
: 0 (factory set) to 63.
Note: For the transmission specifications, refer to "External communication specifications" in Section 6.1.
For actual keying, refer to the typical operation indicated below. Set the parameter protection to OFF beforehand
(Section 4.4.1).
Typical operation Select the RS-485, and set the baud rate to 9600 BPS, the parity to "ODD", the stop bits to "1 BIT",
and the slave No. to "5".
Keying order
Description
Indication
ź
Pressed 4 times to indicate "MAINTENANCE MODE".
MAINTENANCE MODE
ENT
ź
Pressed to indicate "CURRENT CALIBRATION".
CURRENT
CALIBRATION
ź
Pressed 5 times to indicate "COMMUNICATION".
COMMUNICATION
ENT
ź
Pressed to select, and pressed again to blink the 2nd line.
COM. MODE
RS-232C
ź
Pressed to indicate "RS-485".
COM. MODE
RS-485
Pressed to register it.
COM. MODE
½½ COMPLETE ½½
Ļ
ENT
ź
ź
ź
ź
--- RS-485 registered.---
COM. MODE
RS-485
ź
Pressed to indicate "COM. BAUD RATE". Because
"9600 BPS" is already selected, go to the next step. If it
is desired to select another baud rate, press
ENT
key,
operate
key for selecting it, and press
ENT
key
to register.
COM. BAUD RATE
9600 BPS
ź
Pressed to indicate "COM. PARITY".
COM. PARITY
NON
ENT
ź
Pressed to blink the 2nd line.
COM. PARITY
NON
ź
Pressed to indicate "ODD".
COM. PARITY
ODD
BULLETIN F-70