Hioki ST4030, Instruction Manual

Page: 148 / 256

140
Connection (Instrument and Control Devices)
Electrical specifications
Input signal Input format Photocoupler isolated non-voltage contact input (compatible with
sinking/sourcing current outputs)
Input ON Residual voltage 1 V max. (input ON current 4 mA (reference value))
Input OFF OPEN (interrupting current 100 µA or less)
Output signal Output format Photocoupler isolated open drain output (non-polar)
Maximum load
voltage
30 V DC
Maximum output
current
50 mA/ch
Residual voltage 1 V or less (load current 50 mA) / 0.5 V or less (load current 10 mA)
Internal
isolated power
supply
Output voltage Sinking output compatible: +5.0 V ±0.8 V, sourcing output
compatible: −5.0 V ±0.8 V
Maximum output
current
100 mA
External power
supply input
None
Insulation Floating from the protective grounded potential and the measurement
circuit
Insulation rating Voltage between the module and ground: 50 V DC, 30 V rms AC,
42.4 V peak AC or less
Connection examples
Input circuit
ISO_COM
PNP
ST4030 ST4030
ST4030
ST4030
Programmable
controller
Programmable
controller
Connection to programmable controller
(negative common outputs)
Connection to programmable controller
(positive common outputs)
Connection to the switch Connection to the relay
Input
Input
Input Input
Output
Output
Common Common