5 tare and zero key functions – Rice Lake 520 HMI Digital Weight Indicator Installation Manual User Manual
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520 Indicator Installation Manual
12.5 TARE and ZERO Key Functions
The function of the front panel TARE and ZERO keys depends on the value specified for the REGULAT parameter
on the PROGRM menu. Table 12-4 describes the function of these keys for each of the regulatory modes.
Table 12-4. TARE and ZERO Key Functions for REGULAT Parameter Settings
REGULAT
Parameter Value
Weight on Scale
Tare in System
Front Panel Key Function
TARE
ZERO
NTEP
zero or negative
no
no action
ZERO
yes
CLEAR TARE
positive
no
TARE
yes
TARE
CANADA
zero or negative
no
no action
ZERO
yes
CLEAR TARE
positive
no
TARE
yes
no action
OIML
zero or negative
no
no action
ZERO
yes
CLEAR TARE
ZERO and CLEAR TARE
positive
no
TARE
ZERO
yes
TARE
ZERO and CLEAR TARE if
weight is within ZRANGE.
No action if weight is
outside of ZRANGE
NONE
zero or negative
no
TARE
ZERO
yes
CLEAR TARE
positive
no
TARE
yes
CLEAR TARE