Hitachi EH-D6EAN - Power Supply for Sensors

Chapter 2 Specifications
2 – 11
■ Pulse train output / PWM output specifications
Item
64-point / 40-point / 20-point transistor output
Output
0 to 2 (configurable)
Load voltage
12 / 24 V
PWM highest output frequency *
65,535Hz
Pulse train highest output frequency *
65,535Hz
*: Though Pulse train output and PWM output are available for relay output type, it is not recommended to use because
relay outputs cannot react high frequency.
2.8 Power supply for sensors
24V terminal on the input terminal block can supply current to the external equipments. If this output is used as the
power supply for the input of own unit, the remaining can be used as power supply for the sensors. The current (I)
allowed using as the power supply for sensors can be calculated by the following formula.
I = 430 mA – (5 mA* × NI + 5mA × NO)
NI: number of input in active at the same time
NO: number of output in active at the same time
*: Replace 10mA instead of 5mA for input bit 0, 2, 4, 6 and 8.