Honeywell UDC 3300 Input #1/Input #2 connections, Thermocouple MV or Volts, Except 0-10 Volts

Input #1/Input #2 connections

Figure 2-6 shows the wiring connections for Input #1 and Input #2.

Figure 2-6

Input #1/Input #2 Connections

INPUT #2

3

Refer to Table 2-4 for Input 2 Jumper selections.

Thermocouple

mV or Volts

RTD

except 0-10 Volts

Use Thermocouple

1

mV or Volt

1

extension wire only

22 R

22 R

source

The 250Ω load resistor for

22 R

23 +

23 +

+

23 +

4-20 mA or the voltage divider

for 0-10 volts or the 500 ohm

24 –

24 –

–

24 –

C/J compensation resistor is

Remove screw and

supplied with the controller

install C/J on the "R" terminal,

2

when the input is specified.

connect tang to "–" terminal.

These items must be installed

0-10 Volts

4-20 milliamps

when you wire the controller

before start-up.

+

22 R

–

22 R

Input #2 is not

0–10

100K

1

available with

Xmitter

1

Volt

1

2

23 +

+

23 +

Position

250Ω

source

Proportional

Power

–

100K 3

24 –

24 –

Output.

10

1

+

–

L1

Supply

11

2

R

L2/N

12

3

22

13

4

+

23

14

5

–

24

15

6

R

25

16

7

+

26

17

8

–

27

9

INPUT #1 3

Thermocouple		Carbon, mV or Volts
	RTD	except 0-10 Volts

2

When installing the cold junction (Part number 30757088-001) for a T/C

Use Thermocouple	1
extension wire only

Remove screw and

install C/J on the "R" terminal, connect tang to "–" terminal.

25 R 26 +

27 –

2

25 R 26 +

27 –

Carbon, mV or Volt source

+

–

25 R 26 +

27 –

input, remove the screws from terminals 25 and 27 (Input 1) or 22 and 24 (Input 2), and install the assembly into place.

3

For Relative Humidity option, use Input 1 as the

0-10 Volts					4-20 milliamps
0–10 +		100K 1	25	R	–		25 R
					Xmitter	1
Volt		2	26		+		26 +
	1			+		250Ω
source
	–	100K 3	27	–	Power		27 –
					+	–
					Supply

wet bulb input and Input 2 as the dry bulb input.

For Carbon Potential option, use Input 1 as the Carbon Probe input.

24159

20 UDC 3300 Controller Product Manual 4/00