Nor-Cal SDC15 Controller - Manual (Page 210)

13-2
Chapter 13. SPECIFICATIONS
● Control output
• Relay output
Contact rating: Control output 1 NO side 250Vac/30Vdc, 3A (resistance load)
Control output 2 NC side 250Vac/30Vdc, 1A (resistance load)
Life: 50,000 cycles or more on NO side
100,000 cycles or more on NC side
Min. open/close
specifications:
5V, 100mA
Min. open time/
close times
250ms
• Voltage pulse output (For SSR drive)
Open voltage: 19Vdc±15%
Internal resistance: 82Ω±0.5%
Allowable current: Max. 24mAdc
OFF leak current: Max. 100µA
Min. OFF time/
ON time: 1ms when the time proportional cycle time is less than 10s.
250ms when the time proportional cycle time is more than 10s.
• Current output
Output type: 0 to 20mAdc or 4 to 20mAdc (current output)
Allowance load
resistance:
Max. 600Ω
Output accuracy: ±0.5%FS (under standard conditions)
However, ±1.0%FS in a range of 0 to 1mA.
● Digital input
Number of input
points:
2 points
Input type: No-voltage contact or open collector
Allowable ON
contact resistance:
Max. 250Ω
Allowable OFF
contact resistance:
Min.100 kΩ
Allowable ON-state
residual voltage:
Max. 1.0V
Open terminal
voltage:
5.5Vdc ± 1V
ON terminal voltage: Approx. 7.5mA (at short-circuit), Approx. 5.0mA (at contact resistance of
250Ω)
Minimum hold time: 1s or more