Promag TR510E Manual page 26

Set punch times ('p', 70H)
Command pNN
Reply A
NN- punch times in Hex form (00H-0AH), 00: disable, 01-0A: legal value for
punch times.
For some unknown reason device may be disconnected from network, and
device will lose control by Host. For use device as stand alone work, user can
has his card to be read in several times then device will auto log-out from
Extended mode. The 'p' command sets punch times in range 01 to 10 (01-0A in
Hex format), and 00 will disable this auto switching to log-out mode function.
Get punch times ('u', 75H)
Command u
Reply ANN
NN- punch times in Hex form (00H-0AH)
This command is used to retrieve the device's punch times. Punch times
provide a way to use device as stand alone work when device was lost control
from network. User has his card to be read in this defined "punch times" then
device will be continue used in stand alone work (disconnection from network).
TR510E User's Manual
26
Possible error codes: 04, 07
Possible error codes: 07