3 609 929 408/2.1 | LTH
Electric Drives and Controls
| Bosch Rexroth AG
49/60
2 Power Unit LTH
2.9.5.1 Operating the counter
Setting or resetting:
– Press the red SET button to set the counter to zero in the accumulating mode, to the presetting in the
substracting mode,
or
– set the "SIO-RES" signal at the X13 user interface.
Presetting:
– The presetting is indicated on the lower row of digits. To set it, use the 6 presetting buttons assigned
to each decade. The set value will be accepted with the next set or reset operation.
Overflow and underflow:
– In the accumulating mode the overflow is 999999 to 0; in the subtracting mode is 0 to 999999. The
output signal remains unaffected.
Lo-Bat indicator
– When the battery charge is too low, „Lo-bat“ flashes in the lower display. When „Lo-bat“ is indicated,
the batteries should be exchanged as soon as possible.
CAUTION:
Batteries should be exchanged by Rexroth customer service.
2.9.5.2 Setting the Operating Mode and Operational Parameters
When installing the unit for the first time or after a battery change lasting more than 7 minutes, the counter
is set automatically to the programming mode and the 5 parameters must be selected (fig. 10).
The parameters may be changed also during the operation run. However this can be achieved only in the
programming mode.
– The following keys must be depressed simultaneously (for safety reasons): reset the key (fig. 9/3), the
keys of decade 5 (fig. 9/4) and 6 (fig. 9/2). On the lower line of the display the message „INIT“ appears
together with a down-counter substracting from 5 to 0 in steps of seconds.
– If, within this period the depressed keys are released, the previous operating mode will become active
again.
If the keys are released after reaching zero, the first parameter is activated and displayed.
Setting the Operational Parameters (see fig. 10):
– The key of the first decade (fig. 9/5) allows to select the requested function within the parameters (e.g.
add/subtract).
– The 6th decade-key (fig. 9/2) selects the next parameter. After the last parameter „dp“ the program
jumps to the beginning.
– To leave this program routine the user must step through all parameters (from the beginning to the
end) with NO CHANGES at all.
NOTE:
Whenever this routine is selected the program will jump to the beginning (manufacturer pro-
grams).
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