Hioki BT4560 - Page 98

92
Internal Circuitry
PNP setting
PLC, others
Output
Common
Do not connect external power supply to 8 pin.
The instrument
8
ISO_5V
1
START (TRIG)
2
0ADJ_ALL
10
ERR
11
RorZ_HI
9
ISO_COM
27
ISO_COM
PLC, others
Input
Common
2 k
Ω
1 k
Ω
10
Ω
Zener voltage 30 V
Internally isolated common
(This is isolated to the protective ground.)
PNP
EXT.I/O MODE
selector
Internally isolated
power supply
Share the ISO_COM for the common terminals of the input and the output signal.
Electrical Specications
Input signal Input type Photo-coupler-isolated, non-voltage contact inputs (corresponding
to current sink/source output)
Input ON Residual voltage 1 V (Input ON Current 4 mA (reference value))
Input OFF OPEN (Breaking current less than 100 µA)
Output signal Output type Photo-coupler-isolated open drain output (non-polarity)
Maximum load voltage 30 V max DC
Maximum output
current
50 mA/ch
Residual voltage Less than 1 V (Load current 50 mA)/less than 0.5 V (Load current
10 mA)
Internally
isolated power
supply
Output voltage Corresponding to sink output: +5.0 V±10%, Corresponding to
source output: -5.0 V±10%
Maximum output
current
100 mA
External power input None
Insulation Floating from the protective grounding potential and the
measurement circuit
Insulation rating Voltage to ground 50 V DC, 33 V AC rms, less than 46.7 Vpeak
AC