SMAR LD290, Operation And Maintance Manual

Page: 23 / 66

Section 3
3.1
PROGRAMMING USING LOCAL
ADJUSTMENT
The Magnetic Tool
If the transmitter is fitted with a display, and configured for Complete Local Adjustment (using the
internal jumper), the magnetic tool become a powerful configuration tool.
If the transmitter is not fitted with a display, or is configured for Simple Local Adjustment (using the
internal jumper) the adjustment capability is reduced to reranging.
To select the function mode of the magnetic switches configures the jumpers located at the top of the
main circuit board as indicated in Table 3.1.
SI/COM OFF/ON NOTE
WRITE
PROTECT
SIMPLE LOCAL
ADJUSTMENT
COMPLETE
LOCAL ADJUSTMENT
Disables Disables Disables
1 Enables Disables Disables
2 Disables Enables Disables
Disables Disables Enables
Table 3.1
– Local adjustment Selection
Notes: 1 - If the hardware protection is selected, the EEPROM will be protected.
2 - The local adjustment default condition is simple enabled and write protect disabled.
The transmitter has, under the identification plate, holes for two magnetic switches activated by the
magnetic tool (See Figure 3.1).
Figure 3.1
– Local Zero and Span Adjustment and Local Adjustment Switches
The holes are marked with Z (Zero) and S (Span) and from now on will be designated simply by ( Z ) and
S - ACTION / SPAN
Z - MOVE AROUND / ZERO