1771-6.5.132, PLC-5 DeviceNet Scanner User Manual

2-4 Planning Your Configuration and Data Mapping Your DevicesRediSTATION Operator Interface Data MappingThe RediSTATION has both inputs and outputs that must be mapped.The input byte is mapped to the 1771-SDN module’s block transferread data table and then to the PLC-5 processor’s input data file. Theoutput byte is mapped to the 1771-SDN module’s block transfer writedata table and then to the PLC-5 processor’s output data file.The mapping procedure, using RSNetWorx for DeviceNet software, isdescribed on pages 4-14 to 4-17.RediSTATION operator interfaceIndicator lightgreen start lightred start lightTwo input bits from the RediSTATION willbe mapped: bit 1 for the green Start buttonand bit 0 for the red Stop button.Bit 4 of the input byte indicates if the bulbis missing.start bit (green button)The RediSTATIONoperator interfaceproduces one byte ofinput data and uses onebyte of output data.inputoutput1 byte G R7 6 5 4 3 2 1 01 byteLstop bit(red button)status bit forindicator light7 6 5 4 3 2 1 0One output bit for the RediSTATION’sindicator light (on/off) will be mapped.In the RediSTATION’s bits for the red and green buttons and theindicator light status bit:• 1 = ON• 0 = OFFPublication 1771-6.5.132 - June 2000