User's Manual

51D-Link DCS-5222L/DCS-5211L User Manual
Section 5 - Troubleshooting
Technical Specifications - I/O Terminal Application
Typically used in association with programming scripts for developing applications for motion detection, event triggering, alarm notication via
e-mail, and a variety of external control functions. The 4-pin I/O Terminal Block is located on the rear panel and provides the interface of a photo-
coupled switch output and a photo-coupled input.
Connector Pin Assignment
Sign FUNCTION SPECIFICATION
DO- Photo-Relay OUTPUT (Normal Open) Close circuit current max. 70 mA AC, or 100 mA DC.
On-Resistance max. 30 Ohm.
Open circuit blocking voltage
max. 240VAC or 340VDC DO+ Photo-Relay OUTPUT(Common)
DI- Photo-Relay INPUT (-) Active High voltage 2.5~25VDC
Inactive Dropout voltage 0~1.5 VDC
Internal on-current has limit at 7mA
to protect the photo-relay.
DI+ Photo-Relay INPUT (+)
Monitoring and Controlling
By entering http requests in your browser’s URL eld, you can:
• Monitor the status of digital input.
• Drive the output switch on or o.
Interface Schematic
Output device (load) is driven by external AC or DC power supply.
Input device (active control device) has independent power supply.
DO-
DO+
AC/ DC
Load