Port Pin Assignments; Gpio Port - Honeywell IF1C User Manual

Port Pin Assignments

Use this section to understand the port pin assignments for the ports located on
the reader.

GPIO Port

The GPIO port allows GPIO communications with your reader.
6
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
40
1
11
Function
+5Vdc +/-10%
H O S T _ R X
H O S T _ T X
NC
GND
NC
NC
NC
ISO_V-
ISO_V-
GP output 0+
GP output 1+
GP input 0+
GP input 1+
ISO_V+
5
10
15
Description
Non-isolated wetting supply, 300mA max
RS232 Receive
RS232 Transmit
Non-isolated signal ground
Isolated common return for GPIO input and outputs
Isolated common return for GPIO input and outputs
Isolated GP output (open collector, 5 - 28V max, 5mA maximum
continuous)
Isolated GP output (open collector, 5-28V max, 5mA maximum
continuous)
Isolated GP input V
in low
28V max
Isolated GP input V
in low
to 28V max
Isolated external power for GP out pullups
(28Vdc max)
IF1C Fixed RFID Reader User Guide
= -1V to 0.8V max; V
in high
= -1V to 0.8V max; V
in high
= 4.5V to
= 4.5V