Siemens SITRANS P500, Руководство по эксплуатации, Страница: 140 / 238

Operate
6.2 Parameter description
SITRANS P500 with HART
140
Operating Instructions, 12/2014, A5E02344528-09
Purpose: Activate/ deactivate burst mode
Description: This parameter activates burst mode. Activating burst mode causes the
current output to be set to a constant 4 mA; it no longer responds to the
measured signal.
"4.22.2 Burst Command"
Factory setting: Read PV
Setting range:
•
Read PV
• Read current in [mA] and PV in [%]
•
Read dynamic variables and current
• Read device variables and status
Purpose: Select the information to be transmitted in burst mode
Description: This parameter allows you to select which information from the selected
measured value should be transmitted in burst mode.
"4.22.3 .. 4.22.6 Burstvariable 4"
In this sub-menu you can select the parameter to be transmitted in burst mode. However,
you can only select parameters which are active.
Men item Designation
4.23.3 Burstvariable 1
4.23.4 Burstvariable 2
4.23.5 Burstvariable 3
4.23.6 Burstvariable 4
6.2.6 "5 Security"
6.2.6.1 "5.1 " in preparation
6.2.6.2 "5.2 Keypad Lock"
"5.2.1 Enable"
Purpose: Activate the key lock
Description: Only those parameters that are set to "5.2.2 Setting" (Page 141)"On" are
visible.
This parameter locks the local operation keyboard.
The key lock can be released by depressing the "right key" for longer than
2 seconds.