TECNA
S.p.A.
ITEM
TE700 Instruction
Manual
52
RESET
ELECTRODES
LIFE (Counter)
This input resets the ELECTRODES LIFE FINISHED ALARM output.
53
RESET
DRESSING
This input resets the DRESSING ALARM output.
54
WELD /NO
WELD
Input for enabling/disabling the weld. The command works in series with the
button on the control unit's keypad. If using only the weld/no weld via the
keypad, this input must be connected to the COM1 present on board TE700.
55
ERROR RESET
This input should be used to delete the displayed error messages.
56
GND
Ground
57
COM2
To be connected with COM2 present on board TE700
. Connected to GND
conforming to regulation EN60204.
58
59
VE
VE
This analogue input is not used.
60
61
DRESSING
ALARM
This output warns that the dressing pre-alarm weld spots number has been
attained.
62
63
ELECTRODES
LIFE FINISHED
ALARM
This output warns that the electrodes end life pre-alarm weld spots number has
been attained.
Before turning on the TE700 control unit with the supplementary
expansion board, code 50200, check that input RESET ELECTRODES
LIFE (Pin 52) is NOT active.
Otherwise, the 50200 board is not recognized by the control unit.
NOTES:
Components
"F2"
and
"F4"
, located on the control unit connector's side, are delay fuses,
which cannot be reset and that withstand a max current of 3.5 A each. If the ON warning light
does not turn on, check the state of the foregoing components.
The fuses used are "LITTELFUSE" 47303.5 Tecna item, Code 21954.
Component
"BC"
stands for the two-position PROGRAM - RUN key lock installed on the
control unit's front panel, traced as code "RS" 321054 or as a Tecna item, Code 21955.
119/128