2-8
CHAPTER 2 Checks and Preparation
Internal equivalent circuit of I/O circuit
•
Alarm output
+5V
10K Ω
2SC2411K
GND
ALARM
DC
(5 to 24V)
Load
Example of external connection
Required for an inductive
load such as a relay
Maximum ratings of the transistor for alarm output
VCEO (Collector-emitter voltage) : 30 V
IC (Collector current) : 0.5A
PC (Collector dissipation) : 0.2W
* The maximum ratings must not be exceeded.
•
Logic/Pulse input
+5V +5V
10K Ω
68K Ω
220 K Ω
LOGIC/PULSE
GND
Comparator
•
Trigger input/External sampling input
Comparator
+5V
+5V
10K Ω
68K Ω
220 K Ω
0.01 μF
GND
TRIGGER/SAMPLE
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