Measurement Computing PCI-PDISO8 - Manual (Page 13)

13
Chapter 4
Specifications
Typical for 25°C unless otherwise specified.
Specifications in italic text are guaranteed by design.
Relay specifications
Table 1. Relay specifications
Number 8
Contact configuration 5 FORM C (SPDT) RELAY 0 through RELAY 4
3 FORM A (SPST) RELAY 5 through RELAY 7
Contact rating 6 A @ 120 VAC or 28 VDC resistive (see connector rating below)
Contact resistance 100 milliohms max
Operate time 20 milliseconds max
Release time 10 milliseconds max
Vibration 10 to 55 Hz (Dual amplitude 1.5 mm)
Shock 10 G (11 milliseconds)
Dielectric isolation 500 V (1 minute)
Life expectancy 10 million mechanical operations, min
Power on RESET state Not energized. NC in contact to Common.
Isolated inputs
Table 2. Isolated input specifications
Number 8
Isolation 500 V
Resistance 1.6 k Ohms min.
Voltage range DC: 5 to 28 V (Not TTL compatible)
AC: 5 to 28 V (50 to 1000 Hz)
Input ‘High’ level >5V min (positive or negative input voltage - not TTL compatible)
Input ‘Low’ level <2.5V max (positive or negative input voltage)
Response w/o filter: 20 µS
w/filter: 5 mS
Filters Time constant: 5 mS (200 Hz)
Filter control: Software programmable at each input
Power-up /reset: Filters off
Power consumption
Table 3. Power consumption specifications
+5 V Power All relays off: 0.4 A typical
All relays on: 1 A typical
Environmental
Table 4. Environmental specifications
Operating temperature range 0 to 70 °C
Storage temperature range -40 to 100 °C
Humidity 0 to 90% non-condensing