ST2515 Operation Manual
76
7.1.10
IO Subsystem Commands
IO subsystem commands are used to output 8-bit binary data and input 2-bit binary data by
handler port.
Command Tree:
The :IO:OUT command is used to output 8-bit binary data by Handler EXT I/O port.
Command syntax: :IO:OUT <output data>
Where, <output data> = 0 to 255
Data bit number
7
6
5
4
3
2
1
0
Output bit number
OUT7 OUT6
OUT5
OUT4
OUT3
OUT2
OUT1
OUT0
Handler pin number
50
25
49
24
48
23
47
22
NOTE: This command is valid when the bin output is set as “BIN” mode, otherwise ignore this
command!
For example: WrtCmd(“:IO:OUT 15”)
The :IO:IN command is used to read 2-bit binary data input by Handler EXT I/O port.
Bit number 0: RTIG pin of EXT I/O
Bit number 1: PRINT pin of EXT I/O
The data bit will transfer to 1 while the falling edge turns up on its corresponding pin and it will
be cleared after having been read by this command.
Command syntax: :IO:OUT?
Returned value: 0 to 3 (NR1)
7.1.11
MEMory Subsystem Commands
MEMory subsystem commands are used to save and load 20 measurement results.
Command tree:
The :MEMory[:STATe] command sets the save state of the instrument resistance measurement
results.
The :MEMory[:STATe]? query returns to the current save state.
Command syntax:
: MEMory [:STATe] <ON(1) or OFF(0)>