Dahua MCVR6204 User Manual

Installation 16
NC alarm input Figure 2-22
2.6.3 Alarm Output Port
 The alarm output is on-off output (Normally Open Contact), and there should be additional
power supply to external alarm device.
 RS-485 A line and B line are used for connecting the A line and B line on the PTZ decoder.
 To avoid overload to damage the Device, please refer to the parameters about relay. For
details, see Table 2-3.
Table 2-3 Relay parameters of alarm output port
Model:HFD23
Contact
parameter
Contact type
1Z
Contact resistance
100mΩ (0.1A 6VDC)
Contact material
AgNi+Gold plated
Contact load (resistive)
0.5A 125V AC/1A 30V DC
Maximum switching
voltage
125V AC/60V DC
Maximum switching
current
2A
Maximum switching
power
62.5VA/30W
Minimum allowable load
1mA 5V
Mechanical durability
1×10
7
times (300 times/min)
Electrical durability
1×10
5
times (30 times/min)
Performance
parameter
Insulation resistance
1000MΩ ( 500V DC)
Media
pressure
Between coil
and contact
1000V AC 1min
Between
disconnected
contacts
400V AC 1min
Action time (under rated
voltage)
≤ 5ms
Release time (under
rated voltage)
≤ 5ms
Bouncing time (under
rated voltage)
About 5ms
Coil warming (under
rated voltage)
≤ 65K
Impact
98m/s
2

Dahua MCVR6204 Specifications

General

Brand	Dahua
Model	MCVR6204
Category	DVR
Language	English