Hioki LR8450 - Page 413

408
Input Circuit Schematics
Analog input circuits: U8554, LR8534
1 M
Ω
1 M
Ω
120
Ω
120
Ω
120
Ω
+1.2 V
−0.8 V
3
1
2
+2.5 V
−2.2 V
+2.5 V
−2.2 V
CAN input circuit
1
5
6
9
2 : CAN_L
3 : GND
7 : CAN_H
CAN transceiver
1.3 kΩ 1.3 kΩ
33 Ω 33 Ω
30 Ω 30 Ω
Pulse input circuit
100 k
Ω
Example connection to
PLC output (negative-
common output)
5 V5 V
1.1 M
Ω
22 pF*
*: If the chatter prevention lter is on, 0.047 μF.
HIOKI LR8450A964-03
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