Innovative BV20, Руководство по эксплуатации

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Copyright Innovative Technology Ltd 2008 GA794-2
2 ENVIRONMENT AND POWER REQUIREMENTS
ENVIRONMENT
POWER REQUIREMENTS
Table 2 – Power Requirements
Table 3 – Interface Logic Levels
Environment Minimum Maximum
Temperature +3ºC +50ºC
Humidity 5% 95% Non condensing
Table 1 – Environmental Requirements
CAUTIONS:
•
IF THE INPUT VOLTAGE FALLS BELOW 11.5V THE BV20 MAY NOT OPERATE
CORRECTLY (WILL REJECT NOTES). THE FRONT BEZEL LIGHTS WILL FLASH TO
INDICATE INCORRECT CONDITIONS
•
IT IS RECOMMENDED THAT THE POWER SUPPLY USED CAN SUPPLY AT LEAST
1.7 AMPS
Electrical Supply Minimum Maximum
Supply Voltage (V DC)
Absolute Limits
12V
±
10%
MDB IF5 Version Supply
Voltage
18V +48V DC or 34V AC
Supply Ripple Voltage 0 V 0.25 V @ 100 Hz
Supply Currents:
Sleep (Low Power Mode) 1.2mA
Standby 150mA
Validating 540mA
Interface Logic Levels Logic Low Logic High
Inputs 0 V to + 0.5 V +3.7 V + 12 V
Outputs with 2K2
Ω
pull up 0.6 V Pull up voltage of host interface
Maximum Current Sink 50mA per output
BV20 Operations Manual 5