Danfoss Controller unit and expansion module Installation guide

Installation Guide

Controller unit and expansion module

<![if ! IE]> <![endif]>148R9637											<![if ! IE]> <![endif]>148R9637
							GD unit		GD unit
		Controller		Expansion
		unit		module
									Up to 7 expansion modules per controller.
									In total up to 96 sensors connected via Field bus
									per controller - regardless of number of expansion
				GD unit					modules.

<![if ! IE]> <![endif]>Danfoss 148H145 02-2018	GD unit

1

Controller unit		R		R = Resistor 560 Ohm
			Segment 1	24 V DC for each address is needed
			max. cable length: 900 m

		R
		Segment 2
	R	max. cable length: 900 m
Expansion		R
module
		Segment 3
	R	max. cable length: 900 m
		R
		Segment 4
R	R	max. cable length: 900 m

Danfoss 148H146_02-2018

2

© Danfoss | Climate Solutions | 2022.03

AN272543970480en-000201 | 1

Wiring configuration

Relay

Relay

Relay

Relay

Relay

Fault

AR 01

AR 02

AR 03

AR 04

X1

1

2

3

5

X2

2

3

4

5

6

X2

7

8

9

10

11

12

13

14

15

<![if ! IE]> <![endif]>X Bus

<![if ! IE]> <![endif]>X Bus

<![if ! IE]> <![endif]>0 VDC

<![if ! IE]> <![endif]>Relay

D1

D2

D3

D4

DRF

Digital output

Controller unit

Power

Field Bus

Analog

Analog

Digital

<![if ! IE]> <![endif]>Power/ Main Bus

input

output

input

-

<![if ! IE]> <![endif]>MainBus A

<![if ! IE]> <![endif]>MainBus B

<![if ! IE]> <![endif]>< 24 VDC

<![if ! IE]> <![endif]>0 VDC

<![if ! IE]> <![endif]>< 24 VDC

<![if ! IE]> <![endif]>0 VDC

<![if ! IE]> <![endif]>FieldBus A

<![if ! IE]> <![endif]>FieldBus B

<![if ! IE]> <![endif]>AI 01

<![if ! IE]> <![endif]>AI 02

<![if ! IE]> <![endif]>AI 03 AI 04

<![if ! IE]> <![endif]>AO 01

<![if ! IE]> <![endif]>AO 02

<![if ! IE]> <![endif]>DI 01

<![if ! IE]> <![endif]>DI 02 DI 03 DI 04

<![if ! IE]> <![endif]>X10

+

<![if ! IE]> <![endif]>X11

1

2

3

4

<![if ! IE]> <![endif]>X12

1

2

3

4

1

2

3

4

5

6

7

8

9

10

11

12

24 VDC

<![if ! IE]> <![endif]>A B

0 VDC

<![if ! IE]> <![endif]>_ _

<![if ! IE]> <![endif]>Main Bus

<![if ! IE]> <![endif]>Main Bus

<![if ! IE]> <![endif]>0 VDC

<![if ! IE]> <![endif]>FieldBus A

<![if ! IE]> <![endif]>FieldBus B

<![if ! IE]> <![endif]>24VDC

<![if ! IE]> <![endif]>mA20-4

<![if ! IE]> <![endif]>VDC24

<![if ! IE]> <![endif]>mA20-4

<![if ! IE]> <![endif]>VDC24

<![if ! IE]> <![endif]>mA20-4

<![if ! IE]> <![endif]>VDC24

<![if ! IE]> <![endif]>mA20-4

<![if ! IE]> <![endif]>VDC24

A

Output Main bus for PLC/PC etc.

B

AP 01

AP 02

AP 03

AP 04

Output Field bus

<![if ! IE]>

<![endif]>Danfoss 148H144_02-2018

3

Service

Relay

Relay

Relay

Relay

tool

AR 05

AR 06

AR 07

AR 08

X1

X2

2

3

4

5

6

X2

7

8

9

10 11 12 13 14 15

<![if ! IE]> <![endif]>2018

<![if ! IE]> <![endif]>01-

D1

D2

D3

D4

<![if ! IE]> <![endif]>Danfoss 148H138

Digital output

Expansion Module

Analog

Analog

<![if ! IE]> <![endif]>Main Bus

- FieldBusA

<![if ! IE]> <![endif]>Field Bus B

input

output

<![if ! IE]> <![endif]>Power/

<![if ! IE]> <![endif]>24 VDC

<![if ! IE]> <![endif]>0 VDC

<![if ! IE]> <![endif]>AI 01

<![if ! IE]> <![endif]>AI 02

<![if ! IE]> <![endif]>AI 03 AI 04

<![if ! IE]> <![endif]>AO 03

<![if ! IE]> <![endif]>AO 04

+

<![if ! IE]> <![endif]>X10

1

2

3

4

<![if ! IE]> <![endif]>X11

<![if ! IE]> <![endif]>X12

1

2

3

4

5

6

7

8

9

10 11 12

24 VDC

<![if ! IE]> <![endif]>A B

0 VDC

<![if ! IE]> <![endif]>_ _

<![if ! IE]> <![endif]>Field Bus

<![if ! IE]> <![endif]>Field Bus

<![if ! IE]> <![endif]>24 VDC

<![if ! IE]> <![endif]>0 VDC

<![if ! IE]> <![endif]>Field Bus A

<![if ! IE]> <![endif]>Field Bus B

B

Field bus

<![if ! IE]> <![endif]>4-20 mA

<![if ! IE]> <![endif]>24 VDC

<![if ! IE]> <![endif]>4-20 mA

<![if ! IE]> <![endif]>24 VDC

<![if ! IE]> <![endif]>4-20 mA

<![if ! IE]> <![endif]>24 VDC

<![if ! IE]> <![endif]>4-20 mA

<![if ! IE]> <![endif]>24 VDC

C

AP 05

AP 06

AP 07

AP 08

Field bus

4

© Danfoss | Climate Solutions | 2022.03

AN272543970480en-000201 | 2