Overview
VME 64x Discrete Output(DO) card is used for Driving the Signal. The output is of sinking type.
Functional Block Diagram
Specification
1 Bus Interface
Bus : VME / VME 64x Compatible
: A24/D16 Standard slave interface
: Address selection through jumper (VME)
2 Outputs
Outputs : Opto-isolated 64 outputs
Isolation Voltage : 1500 Vrms
CPU Interface : VME64x bus
Output Spec : Open Collector Sink type
Nominal Voltage 28V DC
Max. 40V Rated Voltage
100mA Max. Continuous Current
Front panel LEDs : 64 LEDs. Illuminated when the associated
Channel is ON
Channel Propagation delay : < 1mS
Output Protection : Short Circuit Protection
Output Termination : Flexible I/O cabling solution using VME64x
Connectors front panel, P2 and P0.
Power Consumption : less than 1A @ +5VDC
Mechanical size : Single slot 6U (233.35×162.5 mm)
VMEbus Interface : A24/D16 Standard slave interface
BIT : Read back facility from field signal for Individual channel
Fascia : 64 LEDs and front connector identical to P2
Connector pin-outs.
Standard 6U facia panel with ejector facility.
Power Supply Requirement : 5V, 3.3V from VME Connector
28VDC from field Connector
3 Termination
Input Termination : Front connector (Fascia Panel) termination-all
64 Outputs.
Rear connector (VME P2) termination 46 Outputs
4 Self Tests
BIT : Force High / Force Low facility to test all the Outputs from field side.
Force high / Force low is done group wise
(8 ch at a time) which allows testing field
Output related opto-couplers and corresponding TTL chips
Power Consumption : 5V @ 1A from VME Connector
3.3V @500mA from VME Connector
28VDC@ 1A from field Connector
Mechanical : Single slot 6U (233.4 mm x160 mm)
Facia Panel : Standard 6U /4T Facia panel with ejector facility.
64 LEDs indicating input status on the Fascia Panel
Input termination connector. FAULT LED
5 Environmental
Operating Temperature : -20 °C to + 55 °C Storage Temperature : -40 °C to + 85 °C
Thermal shock : +55 °C to – 20 °C (1hr Exposure)
Humidity : 95% at 40 °C (8hr exposure)
Operational Vibration : The unit will withstand vibration of
1.5G for frequencies in the range of
` 5-1500HZ and acceleration of 1.5m / sec2
Operational altitude : 0 to 4160 m above sea level
Altitude transport : 0 to 13000 m above sea level
6 Software
Device Drivers : os/non-os based