Installation
Alarm
Relay#1
L1
L2/N
4
5
7
8
9
N.C.
N.O.
Time Simplex
2
3
Alarm #2 is not available with Time Proportional Duplex or Three Position Step Control unless the Dual Relay option is used.
Electromechanical relays are rated at 5 Amps @ 120 Vac or 240 Vac or 30 Vdc.
Customer should size fuses accordingly. Use Fast Blo fuses only.
19
20
21
22
23
24
25
26
27
Time Duplex
Alarm
Relay#2
N.C.
N.O.
6
Alarm
Relay#1
L1
L2/N
4
5
7
8
9
N.C.
N.O.
19
20
21
22
23
24
25
26
27
6
To terminal
7 or 9
Relay Load
3
Load
Supply
Power
–
+
+
–
Output #1
1
+
–
Customer Supplied
Electromechanical relay
Customer Supplied
Solid-State relay
–
+
+
–
Output #1
1
+
–
Customer Supplied
Electromechanical relay
Customer Supplied
Solid-State relay
–
+
+
–
Output #2
1
+
–
Customer Supplied
Electromechanical relay
Customer Supplied
Solid-State relay
CAUTION
Open collector outputs are internally powered at +30 Vdc. Connecting an external
power supply will damage the controller.
1
2
To terminal
4 or 6
Relay Load
To terminal
7 or 9
Relay Load
3
3
Load
Supply
Power
Load
Supply
Power
Figure 2-10 Open Collector Output
See Table 2-6 for relay terminal connections for other Output Algorithm Types.
30
UDC3200 Universal Digital Controller Product Manual
12/04
Summary of Contents for UDC3200 series
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