Figure 2-11 Dual Electromechanical Relay Option Output; Figure 2-12 Current Output - Honeywell UDC2500 Product Manual

Load
Supply
Power
Load
Supply
Power
Dual Electromechanical relays are rated at 2 Amps @120 Vac or 240 Vac or 30 Vdc. Customer should size
1
fuses accordingly. Use Fast Blo fuses only.
Electromechanical relays are rated at 5 Amps @ 120 Vac or 240 Vac or 30 Vdc.
2
Customer should size fuses accordingly. Use Fast Blo fuses only.

Figure 2-11 Dual Electromechanical Relay Option Output

See Table 2-6 for relay terminal connections for other Output Algorithm Types.
Load
Supply
Power
2
Load
Supply
Power
2
1
When the instrument has the Current Output as shown, no Alarms are available when using the Time Proportional Duplex or
Three Position Step Control Output Algorithms, as these outputs require both available relays.
2
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.
See Table 2-6 for relay terminal connections for other Output Algorithm Types.
4/07
Time Duplex with a Dual Relay Board
L1
Relay Load
To terminal
4 or 6
2
Relay Load
To terminal
7 or 9
2
Relay Load
To terminal
4 or 6
Relay Load
To terminal
7 or 9

Figure 2-12 Current Output

UDC2500 Universal Digital Controller Product Manual
19
Out Relay#2
N.O.
20
Out Relay#1
N.O.
21
L2/N
22
4
N.C.
Alarm
23
5 Relay#2
N.O.
6 24
25
7
N.C.
Alarm
8 26
Relay#1
N.O.
9
27
19
20
L1
21
L2/N
22
4
N.C.
Alarm
23
Relay#2
5
N.O.
6 24
25
7
N.C. Alarm
Relay#1
8 26
N.O.
1
9
27
Installation
Cool Relay Load
Load
Supply
Heat Relay Load
Power
1
+
Controller Load
Current Output
4–20 mA
0-1000 ohms
–
27