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ZM, zero (standstill) moni-
toring
517
02/16 MN05013001Z EN
With a gearwheel on the shaft with 6 cams and a maximum
speed of 20 rpm, the maximum rotation frequency FR can be
calculated with the following formula:
FR [Hz] = C *n [rpm] / 60
2Hz = 6 *20 rpm / 60
If the set idleness rotation frequency (FR) is exceeded, the
enable for the drive is withdrawn. The enable is issued again
in the following cases:
• In the MST and CST operating modes:
– After the operation and following drop-out of reset coil
ZM..RE.
– When the rotation frequency falls a minimum of 5%
below the set idleness rotation frequency.
• In the AST operating mode - automatic restart without
restart interlock - immediately when the rotation
frequency falls 5% below the set idleness rotation
frequency.
j
Danger!
In order to avoid unexpected restarts, use Manual Start
(MST) or Controlled Start (CST) operating mode.
Содержание easySafety
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