Connecting Basics
34
Use the same ground with that of DVR if you use external power to the alarm device.
Figure 4-4
4.3.3 Alarm Output
Provide external power to external alarm device.
To avoid overloading, please read the following relay parameters table carefully.
RS485 A/B cable is for the A/B cable of the PTZ decoder.
4.3.4 Alarm Output Relay Parameters
Refer to the actual product for relay model information.
Model
HFD23/005-1ZS
HRB1-S-DC5V
Material of the touch
AgNi+ gold-plating
AuAg10/AgNi10/CuNi30
Rating
(Resistance
Load)
Rated switch
capacity
30V DC 1A/125V AC 0.5A
24V DC 1A/125V AC 2A
Maximum switch
power
62.5VA/30W
250VA/48W
Maximum switch
voltage
125V AC/60V DC
125V AC/60V DC
Maximum switch
currency
2A
2A
Insulation
Between touches
400VAC 1 minute
500VAC 1 minute
Between touch and
winding
1000VAC 1 minute
1000VAC 1 minute
Turn-on Time
5ms max
5ms max
Turn-off Time
5ms max
5ms max
Longevity
Mechanical
1×10
7
times
(300 times/MIN)
5×10
6
times
(300 times/MIN)
Electrical
1×10
5
times
(30 times/MIN)
2.5×10
4
times
(30 times/MIN)
Working Temperature
-30
℃—
+70
℃
-40
℃—
+70
℃
Summary of Contents for DH-XVR4104C-X
Page 1: ...DIGITAL VIDEO RECORDER User s Manual V1 1 0 ZHEJIANG DAHUA VISION TECHNOLOGY CO LTD...
Page 42: ...Connecting Basics 30 Figure 4 2...
Page 94: ...Local Configurations 82 Figure 5 50...
Page 194: ...Local Configurations 182 Figure 5 153 Figure 5 154 Double click the video or click Step 7...
Page 199: ...Local Configurations 187 Figure 5 158 Figure 5 159...
Page 307: ...Glossary 295 Abbreviations Full term VGA Video Graphics Array WAN Wide Area Network...
Page 325: ...Earthing 313...