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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