8
Connecting to External Devices
External devices are connected to the encoder through the I/O
terminal. The pinout for the I/O terminal is shown in the following table
and diagram.
Figure:
External I/O terminal schematics and example applications.
Table:External I/O Terminals
Pin
Function
Description
1
3.3 VDC
@200 mA max
3.3 VDC output. May be used to power small
relays in conjunction with the relay outputs.
2
Ground
Ground.
3
Input 1
To activate, connect the Input to the Ground
pin. To deactivate, leave disconnected or
apply between 3-15 V.
4
Input 2
5
Input 3
6
Input 4
7
Output 1
When active, Output is internally connected
with the Ground pin. Circuit is open when
inactive. Maximum load is 25 VDC, 120 mA.
8
Output 2
9
Output 3
10
Output 4
11
RS485 A
Half-duplex RS-485 interface for controlling
PTZ cameras.
12
RS485 B
GND
3.3V
3.3V
3.3V
3.3V
GND
3.3V
1
2
3
4
5
6
7
8
9
10
11 12
RS485 Device
Summary of Contents for CPX-ENC40-H2
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