Aerotech UNIDEX 511 - Psn: Print Status; Table 6-18. Serial Pol Sequence; Table 6-19. Values of N and Corresponding Status for the Psn Command

U511 User’s Manual Remote Mode Operations
Version 1.1 Aerotech, Inc. 6-13
Table 6-18 shows the communication sequence for the Serial Pol command.
Table 6-18. Serial Pol Sequence
Direction of Transfer Command Description
Host→U511
Q Serial Pol command
Host→U511
EOS character End of string character (LF)
U511→Host
ACK/NAK character Acknowledge character (0x06)
U511→Host
Serial Pol status Serial Pol status string
U511→Host
EOS character End of string character (LF)
Example: Q <EOS character>
In binary mode, this command will return 1 byte.
6.4.11. PSn: Print Status
The PSn command returns a 32 bit number. The “n” is the status word requested. The
value and corresponding status of “n” is shown in Table 6-19.
Table 6-19. Values of “n” and Corresponding Status for the PSn Command
n Status
0 16 IN/8 OUT inputs
1 Axis 1 status
2 Axis 2 status
3 Axis 3 status
4 Axis 4 status
5 Axis enable / in position / comm / queue not empty / halted
6 Current MFO
7 Joystick status
8 Current board number
9 Commands in queue for plane 1
10 Commands in queue for plane 2
11 Commands in queue for plane 3
12 Commands in queue for plane 4
E
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