TTF300 FIELD-MOUNT TEMPERATURE TRANSMITTER | OI/TTF300-EN REV. I 69
Menu: Communication
8 characters
Long tag:Unique device label in the plant (from HART 7)
Address range in multidrop mode (HART 5)
to 15 (0 means no multidrop mode)
Value range:0 to 63 (independent of Current Loop Mode)
Address = 0 (Current Loop Mode enabled – Multidrop disabled)
• Address = 1 to 15 (Current Loop Mode disabled – Multidrop enabled)
Independent of the address
Enabled = normal operation (output current depends on process variable (PV))
Disabled = Constant output current (like Multidrop HART 5 address 0>)
Select the ‘HART Burstmode’ submenu.
Resp.Preambles
Number of preambles to be used for sending
to 20
This option helps with finding a device
The HART master sends HART command #73 to search for the device.
Device answeres with HART initialize Command #0 (long addres
s) - if found
Disabled: no reaction HART command #0
Once:One-time reaction to HART command #0
• Continuous:Always switch to HART command #0
Switch the device from HART 5 to HART 7 or from HART 7 to HART 5.
HART Revision a device restart is recommended.
Warning:Different drivers for tools for HART 5 and HART 7 required.
… / Communication / HART Burstmode
Off:HART burst operating mode inactive
On:HART burst operating mode active
Sets the HART command to be sent cyclically
1 Process value: Process value PV
2 current+%: Output current and percentage range
3 Current+Dyn.Vars: Current output and dynamic variables PV, SV, QV, TV
9 Dev.Variables (H7): Device variables - only HART 7
33 Dev.Variables (H5): Device variables - only HART 5
• 48 Add.Dev.Status: Additional device status
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