AED
CONNECTING INTERFACES AND I/OS
42
Logic level of inputs:
Type
Quiescent level
Activation
IN1: Trigger
Low
High->low edge
IN1: Cancel dosing
Low (duration ≥20ms)
Low->high pulse
IN2: Tare or start dosing
Low (duration ≥20ms)
Low->high pulse
Digital outputs OUT1 … 4 are electrically isolated from the amplifier and are supplied via
U
V
. They are designed as high-side switches. Therefore, connect the loads to 0V of U
V
.
The outputs are short-circuit-proof and can drive ohmic and inductive loads with cur
rents up to approx. 0.5 A per output.
Logic level of outputs:
OUT inactive
Voltage is Low (high-side switches off)
OUT active
Voltage is High (high-side switches on)
Содержание AED 9101D
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