Honeywell UDC2300 User Manual

Installation
12/00 UDC2300 Controller Product Manual 15
If the load current is less than the minimum rated value of 20 mA,
there may be a residual voltage across both ends of the load even
if the relay is turned off. Use a dummy resistor as shown to
counteract this. The total current through the resistor and the load
current must exceed 20 mA.
2
1
Solid State relay is rated at 1 Amp at 25°C, linearly derated to 0.5
Amp at 55°C. Customer should size fuse accordingly.
5
4
AC
Load
Power
Supply
Dummy Resistor
2
1
24860
Control Relay #1
Load
1 amp Fast Blo
OUT1 OUT2/ALM2
9
10
See Figure 2-15 for Alarm and Duplex Output Connections.
See Table 2-3 and Table 2-4 for Control and Alarm Relay Contact information.
Figure 2-10 Solid State Relay Output
CAUTION
Open collector outputs are internally powered at 24 Vdc.
Connecting an external supply will damage the controller.
External relays should be fused between power and relay load.
1
24861R
Customer Supplied External
Solid State Relay
5 –
4+
+
–
1
0-24 Vdc
Customer Supplied External
Electromechanical Relay
5–
4+
1
+
–
0-24 Vdc
See Figure 2-15 for Alarm and Duplex Output Connections.
See Tables 2-3 and 2-4 for Control and Alarm Relay Contact information
.
OUT1 OUT2/ALM2
9 –
10+
OUT2/ALM2
9 –
10+
OUT1
Figure 2-11 Open Collector Relay Output

Honeywell UDC2300 Specifications

General

Brand	Honeywell
Model	UDC2300
Category	Controller
Language	English