TransCore encompass 4, Manual

Page: 122 / 208

Chapter 7 Commands
TransCore Proprietary
7–105
525 Display Communications Protocol Status
Command “525 Display Communications Protocol Status” on page 7–105, “610 Select Basic
Communication Protocol (Factory Default)” on page 7–114 , Command “614N Select Flow Control Option”
on page 7–115, and Command “612NN Select Error Correcting Protocol Timeout” on page 7–114 .
Reader response:
ECPS P<0 to 2> T<01 to FF> X<0 to 2> S0
where
P0
Basic protocol enabled (factory default)
P1 ECP enabled
P2 data inquiry protocol enabled
Txx ECP timeout where xx = 01 to FE (hexadecimal) Timeout (ms) = 50 * xx
If xx = FF timeout disabled
X0 Flow control disabled
X1 Software flow control enabled (factory default)
X2 Hardware flow control enabled
S0 start of message character is
#
For example, if factory default settings are assigned, the reader message is:
ECPS P0 TFE X1 S0
which means basic protocol enabled, an ECP timeout of 254 (12,700 ms, 12.7 sec), software flow control
enabled, and start of message character is #.
526 Display I/O Status
See “620N Set Output Control” on page 7–116, “621 Select Predefined Output Control (Factory Default)”
on page 7–116, “67N Set Output Pulse Duration” on page 7–125.
Command #526 displays the current input/output (I/O) status. The reader message indicates whether
outputs are being controlled externally by the host through Command #620N Output Control or
internally through Command #621 Predefined Output Mode . It also displays the current status of two
outputs, two inputs, and the selected output pulse duration that is set by Command #67N .
Reader response:
C<0 to 1> O<0 to 3> I<0 to 3> D<0 to F>
C0 Host controls outputs
C1 Predefined output mode
O0 Both outputs off
O1 Output0 on
O2 Output1 on
O3 Both outputs on