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4-12 Input / Output MN1901
4.3.5 Relay output / digital output - X3
Location Connector X3, pins 4 (+) & 5 (-)
Name General purpose relay
Mint keyword RELAY / OUTX.3
Description Relay switch contacts controlled by Mint, rated at 1A,
30VDC.
Update interval: Immediate
The factory preset assignment for the relay is as the global error output signal
(see the Mint keyword GLOBALERROROUTPUT). When an error occurs the relay
is de-energized and the contacts open. When the error is cleared, the relay is
re-energized and the contacts close. The relay can be also be controlled
directly by the Mint keyword RELAY. When the relay is energized (RELAY=_on)
the contacts close. When the relay is de-energized (RELAY=_off) the contacts
open. The relay output may also be considered as a digital output, so can be
controlled directly using the Mint keyword OUTX (for example OUTX.3=1).
Internal relay
MintDrive
II
Control
circuitry
Relay +
Relay -
4
5
‘X3’
Figure 34 - Relay contact outputs
Note: The internal relay has a limited lifetime and is not intended for continuous cyclical
operation. If relay operations are required more frequently than 4 - 5 times per
hour, it is recommended to use one of the digital outputs to control a replaceable
external relay .
4
5
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