Siemens Library SENTRON 3WL Function Manual page 90

Description of blocks
3.2 Driver module DRV_3WL
Ext. protect. para – frequency tab (EXTPROTPARA_FREQ)
(1)
(2)
(3)
(4)
(5)
Figure 3-21
Element (parameters)
UNDER_FRQ
OV_FRQ
T_UN_FRQ
T_OV_FRQ
RD_DR128
88
T_UN_FRQ
T_OV_FRQ
RD_DR128
OV_FRQ
UNDER_FRQ
Faceplate for ext. protect. para view, frequency tab
Meaning
Under frequency
Over frequency
Delay time for under frequency
Delay time for over frequency
Read ext. protect. para (data record 128)
Display when 3WL is connected
following Y-link
No
No
No
No
No
Library SENTRON 3WL / 3VL for SIMATIC PCS 7
Function Manual, 11/2008, A5E02316914A-01