JLCooper eBOX - Manual (Page 50)

50
e 25 pin D-sub
onnectors. The GPI In connector has 24 TTL/CMOS compatible
inputs with internal pull-ups to +5 volts. The GPI Out connector
has 24 TT
S c ut th , pin 1
is the g n -25 GP
When eBOXes connected together in a
nt/server ner
establish a connection, both client and server eBOXes will send the
state of its
n ports to ch other s an be sho n the GPI
Out port on the remote After that, changes to a GPI In port
will cause OX to send a GPI message to the remote eBOX.
Additiona eBO end ssa
seconds to keep the connection alive and to refresh the state of the
GPI outpu
A packet is sent whenever a change to the GPI In is sensed. At
present, it is sampled a
ry 20 onds. This can be
changed via the configuration web page.
LSB
GPI Port Pinouts
The GPI ports on the rear of the eBOX ar
c
L/CMO ompatible o puts. On bo connectors
round refere ce and pins 2 are the I signals.
clie man
GPI I ea o it c wn o
eBOX.
an eB
lly, the Xes will s a GPI me ge every 5
ts.
bout eve millisec
MSB
Byte1 Pin 9 Pin 8 Pin 7 Pin 6 Pin 5 Pin 4 Pin 3 Pin 2
Byte2 P Pin 16 Pin Pin Pin 10 in 17 Pin 15 14 Pin 13 12 Pin 11
Byte3 P Pin 24 Pin 23 Pin 22 Pin 21 Pin 20 Pin 19 Pin 18 in 25
eBOX GPI In/Out Pinouts