Yokogawa transmitters have both Hardware and Software Tag Numbers.
Hardware Tag
Yokogawa pressure transmitters have a permanently attached tag plate located on the neck of the transmitter. The tag accommodates up to 22 characters.
An optional wired-on-tag (code /N4) is available that accommodates up to 16 characters.
Both tags can include any letter A through Z, number 0 through 9, and the symbols [ - ], [ . ], or [ / ].
Software Tag
The pressure transmitter also has a Software Tag that is used by the communication protocol to identify the transmitter.
Different communication protocols use different software tag lengths.
BRAIN Protocol: Accommodates up to 22 characters.
HART 5 Protocol: Accommodates up to 8 characters.
HART 7 Protocol: Accommodates up to 32 characters.
FOUNDATION Fieldbus: Accommodates up to 32 characters.
Profibus PA: Accommodates up to 32 characters.
For Technical Assistance, please contact the Technical Sales Support Group by email at support@us.yokogawa.com or call 1-800-524-7378