Honeywell UDC2500 User Manual

Installation
4/07 UDC2500 Universal Digital Controller Product Manual 27
A
larm
Relay#1
Out Relay#1
L1
L2/N
4
5
7
8
9
N.O.
N.C.
N.O.
Cool Relay Load
Load
Supply
Power
Time Duplex with a Dual Relay Board
1
1
Dual Electromechanical relays are rated at 2 Amps @120 Vac or 240 Vac or 30 Vdc. Customer should size
fuses accordingly. Use Fast Blo fuses only.
N.O.
19
20
21
22
23
24
25
26
27
To terminal
4 or 6
A
larm
Relay#2
N.C.
N.O.
6
Relay Load
To terminal
7 or 9
Relay Load
2
2
Load
Supply
Power
Load
Supply
Power
Heat Relay Load
Out Rela
y
#2
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.
Figure 2-11 Dual Electromechanical Relay Option Output
See Table 2-6 for relay terminal connections for other Output Algorithm Types.
A
larm
Relay#1
L1
L2/N
4
5
7
8
9
N.C.
N.O.
2
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.
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
6
To terminal
7 or 9
Relay Load
2
Load
Supply
Power
+
Controller Load
0-1000 ohms
–
Current Output
4–20 mA
1
1
To terminal
4 or 6
A
larm
Relay#2
N.C.
N.O.
Relay Load
2
Load
Supply
Power
Figure 2-12 Current Output
See Table 2-6 for relay terminal connections for other Output Algorithm Types.

Honeywell UDC2500 Specifications

General

Type	Universal Digital Controller
Alarm Relays	Up to 2 alarm relays
Communication	RS485 Modbus RTU
Mounting	Panel Mount
Display	Dual 4-digit LED
Input Types	Thermocouple, RTD, mA, V
Control Modes	On/Off, PID
Output Types	Relay, mA, V
Power Supply	100-240 VAC, 24V DC
Dimensions	96x96x132 mm