11
English
Connecting to External Devices
External devices are connected to the camera through the I/O terminal.
The pinout for the I/O terminal is shown in the following table and
diagram.
NOTE:
The 5 V connection can be used to energize a relay coil with up
to 200 mA. If more than 200 mA is required, an external power
supply up to 25 VDC at 120 mA can be used.
Figure:
External I/O schematics and example application.
Table: External I/O Connector
Pin
Description
1
Ground
2
RS-485B
3
RS-485A
4
Relay input
5
Relay output
6
+5 VDC, 200 mA max. output for relay drive
GND
GND
3.3V
GND
1
2
3
4
5
6
5 V
200 mA MAX
25 V
120 mA MAX
B
A
RS-485
External Device
SWITCH
RELAY
Summary of Contents for 12L-H4PRO-B
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