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6-4
Jumper Positions
6
Figure 6-2. ac-Powered Main Board Jumper Positions S3 and S4
NOTE:
S3B should
NOT
be installed. This jumper is only used when
recalibrating the meter (e.g. an annual, careful performance by the
calibration lab). When this jumper is installed, calibration coefficients can be
changed via digital communications.
Note
☞
DISPLAY
BD
A
C
D
S3
SIGNAL INPUT BD
MAIN BD
J9
J2
J1
J3
AC POWER BD
W1
W3
W2
S4
T1
B
C
A
B
R39
S4A shown in
storage position
S4 On ac-powered units, main board
S4B
Installed
For 24 Vdc excitation. (S4A located in storage position).
S4A ,S4C
Installed
For 1.5 to 10 Vdc excitation.
S3 On ac-powered units, main board
S3A
Installed
Unlocks “
MENU
” button for programming.
S3B
Omit
See note below.
S3C
Installed
Unlocks lockout menu (L1 through L4).
S3D
Installed
Unlocks Front pushbuttons.
Содержание DP461-S
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