18 • MultiFlex I/O Board Operator’s Guide
The analog outputs have no hardware-based
fail-safe settings (fail-safes are set in the board
firmware; see
). All that is required to connect a device to
an analog point is to connect the “+” terminal to
the positive wire on the device and the “-” termi-
nal to the negative (or ground) wire of the
device.
4.4. The Digital Outputs
The MultiFlex 168DO board has four digital
outputs that pulse a +8VDC signal. Each output
is rated up to 10 milliamps.
The 168DO has no hardware-based fail-safe
settings (fail-safes are set up in the board firm-
ware). All that is required is to connect the “+”
terminal to the positive wire on the device and
the “-” terminal to the negative (or ground) wire
of the device.
Figure 4-6 - MultiFlex Analog Points
Figure 4-7 - MultiFlex Digital Points
DIGIT
A
L
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