Impinj Inc. XARRAY User Manual
Speedway Revolution Installation and Operations Guide Octane 4.11
Appendix B: GPIO Details
Appendix B: GPIO Details
52
Revision 4.11 Copyright ©2014, Impinj, Inc.
devices will result in unrecoverable damage
to the Reader and is not covered by
warranty as it is outside the specified
to the Reader and is not covered by
warranty as it is outside the specified
operating parameters
.
Connexion de périphériques non autorisés
entraînera des dommages irréparables pour
le lecteur et n'est pas couvert par la garantie
car il est en dehors des paramètres de
fonctionnement spécifiées.
entraînera des dommages irréparables pour
le lecteur et n'est pas couvert par la garantie
car il est en dehors des paramètres de
fonctionnement spécifiées.
Tables B.1 and B.2 explain the function of each pin.
Table B1: DB-15 Connector Pin-Out
Pin
I/O Name
I/O Function
1
+5V Supply
Reader supplied (not isolated) power source
2
RS-232 RX
For auxiliary serial port functions
3
RS-232
TX For auxiliary serial port functions
4
Processor Reset
Reserved for future use. . Do not connect this
pin to any signal
pin to any signal
5
V+
Power source for isolated outputs
6
V-
Return for isolated inputs and outputs
7
Ground
Reader (not isolated) return
8
User OUT 1
Isolated output 1 (active pull down to V-)
9
User OUT 2
Isolated output 1 (active pull down to V-)
10
User OUT 3
Isolated output 3 (active pull down to V-)
11
User OUT 4
Isolated output 4 (active pull down to V-)
12
User IN 1
Isolated input 1
14
User IN 3
Isolated input 3
15
User IN 4
Isolated input 4
Table B.2: GPIO Interface Electrical Specification
Pin
Parameter
Description
Min
Max
Unit
Conditions
+5V Supply
IO
Output current
200
mA
User IN 1-4
VIH
HIGH level input
voltage
3
30
V
User IN 1-4
VIL
LOW level input
voltage
0
0.8
V
User IN 1-4
VLI
Input current
5
mA
24V input
User IN 1-4
VI
Input voltage
range
0
30
V
No damage
User Out 1-4
VOH
Output high
voltage
V+*
V
10K pullup
User Out 1-4
VOL
Output low
voltage
(V-)
V
100mA load