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B885–002 ASCII / BASIC, Specifications
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(Original Document)
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B885–002 ASCII / BASIC, Specifications
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(Original Document)
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B885-002 Specifications
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Description
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ASCII/Basic 64 k RAM,
2 RS232/422 Ports
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Interface to PC
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6 input registers (3xxxx)
6 output registers (4xxxx)
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Carrier detect (CD)
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For RS232 leave pins 18 and 19 unconnected
For RS422 connect pins 18 and 19
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Power Required
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RS 422 mode
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RS 232 mode
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+ 5 Vdc
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500 mA
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400 mA
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+ 4.3 Vdc
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1760 mA
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1000 mA
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- 5 Vdc
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0 mA
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0 mA
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Visual indicators
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1 "active" indicator
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"on" when good communication with PC
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2 "port" indicators
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"on" when active communications
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1 "battery ok" indicator
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"on" when battery is ok
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1 "run" indicator
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1 "power ok" indicator
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Reference Type
Inputs
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Mapped as 96 bits input
1x
or
Mapped as 6 registers input
3x
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Reference Type
Outputs
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Mapped as 96 bits output
0x
or
Mapped as 6 registers output
4x
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Output Type
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BIN/BCD
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