2. System component
32
Table 2.19 SPI01 specification
Item Specification
Model name SPI01
Number of input points 4 points
Input insulation unit 4-point common insulation
Input signal (Note 1) No-voltage contact (open collector input)/voltage pulse can be set
independently at each point
Counter 16-bit up counter
Input current (no-voltage contact) 7mA (24VDC)
Input resistance (voltage pulse)
When applying current/no current:10k
Ω
or more
Input frequency range No-voltage contact: DC to 50Hz
Voltage pulse: DC to 10kHz
Rated input voltage No-voltage contact:
ON potential between external power supply voltage (+) and
PI(+)
≥
18V
OFF potential between external power supply voltage (+) and
PI(+)
≤
4V
Voltage pulse: 2 to 30VP-P
DC bias upon voltage pulse DC: 1 to 13V
Minimum pulse width No-voltage contact: 10ms (ON/OFF)
Voltage pulse: 50µs (ON/OFF)
Address setting Set 1 to E (1 to 14) with the front address setting switch
Pulse threshold voltage setting
(Note 2)
Set 1 to D (1 to 13) with the front setting switch
Failure diagnosis External power supply voltage drop, transmission, CPU, memory,
reference pulse
Insulation resistance
100M
Ω
or more (500VDC megger, between input common and
internal circuit)
Withstand voltage 500VAC/1 minute (between input common and internal circuit)
External power supply
24VDC
±
10%(21.6 to 26.4V), ripple 5% or less
External power supply current
consumption
24VDC-50mA or less
Current consumption 24VDC-150mA or less (system power supply)
Internally generated heat 4.8W or less (external 24VDC, all point rated input)
Applicable base card UIOU54
Outside dimension
40W
×
90H
×
95Dmm (excluding protrusions)
Weight 150g or less
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