29
Block d2 essentially moves the count decimal point location for the totalizer to the
right. This is exactly the opposite of what block F4 does. This can be handy in
batchers where the batch count resolution must be in tenths (XXXXX.X), yet the
totalizer resolution must be in whole numbers (XXXXXX).
Blocks d3 and d4 are commands. When the enter key is pressed, they do whatever
function is associated with the value that was entered, and then the value returns to
0. d3 commands will reset any combination of count registers. d4 can default all
program parameters to the factory settings, or default all run mode values (counts
and setpoints), or both.
Column L - ControL Inputs and Front Panel Keys
Block Parameter
Range
L1
Control Input 1
S U L R, where S,U,L,&R are
L2
Control Input 2
Start/Stop, Unlatch, Lock, and
L3
Control Input 3
Reset functions from the table on page 30
0000
L4Front Panel Reset
0 U 0 R, where U & R are Unlatch and Reset
Key Functions functions from the table on
page 30
0000
L5
Front Panel Start
S U 0 R, where S, U, & R are Start/Stop,
Unlatch, and Reset functions from the table
on page 30
0000
L6
Front Panel Stop
S U 0 0, where S & U are Start/Stop and Unlatch
Key Functions
functions from the table on page 30
0000
All totalizers have three control inputs and a front panel reset key. Batchers have both
a front panel start key and stop key as well. These inputs perform certain functions
necessary in all flow applications. A totalizer without relays has the least number of
possible input functions, two. They are lock program and reset total. Use a control
input for lock program and either the front panel reset key, or a remote pushbutton or
keylock reset switch, or both for reset. The choices for L (Lock) and R (Reset) func-
tions are very limited.
For a totalizer with relays, the number of choices for the Lock function increases, the
Reset choice remains the same, and another function category, U (Unlatch) ap-
pears. An unlatch input will turn one or both relays OFF if they have been latched ON
at a rate or total setpoint. Unlatch functions can be combined with the reset function
simply by programming a control input or the reset key to do both. Control inputs
programmed to lock may lock out any combination of the program mode, the relay 1
setpoint (P1), and the relay 2 setpoint (P2). Lock inputs cannot be programmed to do
any unlatch or reset function, and the front panel reset key cannot be programmed
as a lock input.
PROGRAMMING cont.
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