Measurement Computing Digital232 - Manual (Page 43)

Section 3 Command Descriptions
3.21
C# Configuration
C0 All ports are inputs
C1 Port 1 is an output, ports 2 thru 5 are inputs
C2 Ports 1 and 2 are outputs, ports 3 thru 5 are inputs
C3 Ports 1 thru 3 are outputs, ports 4 and 5 are inputs
C4 Ports 1 thru 4 are outputs, port 5 is an input
C5 All ports are outputs
E# Error Message
E0 No error
E1 Unrecognized command (ex. W3)
E2 Illegal command option (ex. F8)
E3 Conflict (attempt to output data to an input port)
E4 EDR overrun (EDR pulses occurred faster than data should
be transmitted to the host)
E5 ROM error (a bit or bits in the ROM have changed state,
consult the factory for further action)
E6 RAM error (a bit or bits in the RAM are not working
properly, consult the factory for further action)
F# Data Format
F0 ASCII Hexadecimal
F1 ASCII Character
F2 ASCII Binary
F3 ASCII Decimal
F4 Binary
G# Output Select
G0 Input and Output port data is output
G1 Only Input port data is output
G2 Only Output port data is output