DUPLOMATIC E.M.DDC4-400V/RK RELEASE 1.9 07-09
EM DDC4-400-RK-0709gb.doc
11
OPERATING FUNCTIONS DESCRIPTION
AUTOMATIC OPERATING FUNCTIONS (1,2,3)
•
Set the code of the position required.
•
Wait until the position code output is stable (it depends on what type of PLC/CNC outputs are used - relay,
static…).
•
Give the PSTART command (active on its rising front). PSTART must stay ON for more than 30 ms (T2).
•
The turret confirms the reception of the start signal by setting low both INDEXD and LOCKED signal after
approximately 30 ms (T3). The current position (ALPOSxx signals) is also set to 0.
•
When the position requested has been reached, but the disc is not yet locked, the INDEXD signal is set
high (this signal can be used to start the approach of the tool to the part to be worked on). In the same time
the turret current position outputs (ALPOSxx) ar set to the new position value.
•
After the disc has been locked, the LOCKED signal is set to high. The turret can work. It is possible to make
a cross-check among the current position and the called one because all signals are stable.
•
Position bits and parity bit must be stable for at least 30 ms. from PSTART signal. After this time and once
the turret confirmed the start reception, position bits, parity bit, and start signal can be changed until the
INDEXED signal is low.
However it is strongly recommended to keep position bits and parity code
set to the last position called.
•
The PSTART signal can be reset after the confirmation of the reception, typically it must stay on for at least
30 ms (T2).
Important: the end of cycle must be detected by the LOCKED signal that changes from low to high and
with the INDEXD signal high and no alarms are present.
SAME TOOL CALL
In case of the turret is already in the position called (for example change in tool offset T1.01 ..T1.02) the turret
will not move or unlock/lock but the INDEXD and LOCKED signals will have the same behaviour as a normal
rotation (INDEX and LOCKED low after the PSTART and then after approx. 200ms the INDEX goes HIGH and
after 50 ms more the LOCKED signal goes HIGH).
Содержание DDC4-10-400/20
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