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Hardware description
32
Emergency stop input
The DSSB board has a built-in logic that fulfils the emergency stop requirements
according to IEC/EN60204-1 / Category 0
(Immediate removal of power) provided
that:
• the Diode Supply Unit (DSU) is equipped with optional main contactors, and
• an emergency stop button is wired to the emergency stop input of the DSU. See
the figure below for connection to the DSSB board.
When the emergency stop is activated, the DSU stops and opens the main
contactors. Normal operation resumes after the emergency stop is deactivated and
the DSU is reset.
Note:
Emergency stop according to category 0 and category 1 (controlled
emergency stop) are available as factory-installed options. The category 1 option
requires additional wirings that are not visible in the figure below. See the circuit
diagrams delivered with the unit for more information.
DSSB board terminals
Note:
The DSSB board terminals are wired to a separate terminal block to
which the user connections are made. See circuit diagrams delivered with the
unit.
Additional emergency stop buttons can be connected in series.
X4
1
-24V
-24 VDC
2
+24V
+24 VDC
3
Ground
Ground
X8
Emergency stop input
1
EM +24V 0: Emergency stop
2
EM -24V 0: Emergency stop
Emergency stop button wired to DSSB board
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: [email protected]
Содержание ACS800-07-0610-3
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