User's Manual

485SDA103798 Manual 5
B&B Electronics -- 707 Dayton Rd. -- PO Box 1040 -- Ottawa, IL 61350
PH [phone] -- FAX [phone]
485SDA10 Specifications
Analog to Digital Converter
Resolution: 10 bit
Channels: 11
Reference Range: 5.0V DC max. (4.888 mV per bit)
2.5V DC min. (2.444 mV per bit)
A/D Ref. Input - 0V DC to 2.5V DC
A/D Ref. Input + 2.5V DC to 5.0V DC
Input Voltage Range: -0.3V DC to 5.3V DC
Total Unadjusted Error: +/- 1 LSB max.
A/D input channels must be driven from a source impedance less
than 1kΩ.
5 Volt Reference
Output Voltage: 4.975 to 5.025V DC (5.0V DC typ.)
Accuracy: +/- 0.5 %
Output Current: 5mA max.
Digital Inputs
Channels: 3
Voltage Range: -30V DC to 30V DC
Low Voltage: -30V DC to 1.0V DC
High Voltage: 2.0V DC to 30V DC
Leakage Current: 1 µA max.
Digital Outputs
Channels: 3
Low Voltage: 0.6V DC @ 8.7mA
High Voltage: 4.3V DC @ -5.4mA
Power Supply
Input Voltage: 7V DC to 18V DC @ 30mA
(Doesn’t include the power
consumption of external devices.)
Communications
Standard: RS-422/485
Addresses: 256
Turn-around Delay: Software programmable from 0 to 255
character transmission times. (1 char.
trans. time @ 9600 baud = 1ms)
Baud Rate: 1200 to 9600 (automatic detection)
Format: 8 data bits, 1 stop bit, no parity
Connector: DB-25S (female)
Factory Default Settings
Address: ACSII “0” (48 decimal or 30h)
Turn-around Delay: 1
Power-up States: 0