Figure 2-7 Input 2 Connections; Figure 2-8 Electromechanical Relay Output - Honeywell UDC2500 Product Manual

Installation
Input #2
1
Load
Supply
Power
Load
Supply
Power
Load
Supply
Power
Load
Supply
Power
1 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.
2
Customer should size fuses accordingly. Use Fast Blo fuses only.
See Table 2-6 for relay terminal connections for other Output Algorithm Types.
24
Volts Input
mV or Volt
Voltage
source
22 mA+
source
+
23 V+
–
24 –
The dropping resistor for milliamp inputs is internal to the controller.

Figure 2-7 Input 2 Connections

Time Simplex
L1
L2/N
4
Relay Load
5
To terminal
6
4 or 6
2
7
Relay Load
8
To terminal
9
7 or 9
2
Time Duplex
L1
L2/N
4
Relay Load
5
To terminal
6
4 or 6
2
7
Relay Load
8
To terminal
9
7 or 9
2

Figure 2-8 Electromechanical Relay Output

UDC2500 Universal Digital Controller Product Manual
Milliamps Input
–
22 mA+
Xmitter
+
23 V+
Power
+ –
24 –
Supply
19
N.C.
Output
20
Relay Load
Relay#1
N.O.
21 To terminal
19 or 21
22
N.C.
Alarm
23
Relay#2
N.O.
24
25
N.C.
Alarm
26
Relay#1
N.O.
27
19
N.C.
Output
Relay Load
20
Relay#1
N.O.
To terminal
21
19 or 21
22
N.C.
Output
Relay#2 23
N.O.
1
24
25
N.C.
Alarm
Relay#1
26
N.O.
27
1
Load
Supply
Power
2
Load
Supply
Power
2
4/07