Siemens RWD44U User guide

RWD Controllers

Application Guide

Quick Reference

Document No. 125-3511

March 28, 2005

RWD44U/45U/62U/68U/82U

The RWD Controllers have standard, pre-configured applications. The respective application and setting parameters

are entered via push buttons on the controller or a software tool. See the individual Application Guides (available

online) or the Installation and Commissioning Guide for additional information. Use Tables 1 through 12 to determine

the appropriate controller model and application number.

Example: Select an application that controls two stages of electric heat and two stages of digital cooling, and

includes remote setpoint and an alarm to signal dirty air filters.

1. Select a controller based on the number of outputs and characteristics required. In this example, four digital

outputs are required. Select the RWD44U Controller (see Table 1).

Table 1. Controller Models.

Outputs

Controller Model Analog 0 to 10 Vdc Digital

RWD82U 0 2

RWD62U 2 0

RWD68U 1 1

RWD44U 0 4

RWD45U 1 4

2. Determine the main control loop. Select an application number based on the output characteristics. For the

RWD44U Controller, main control loop 1X (application group 10 through 19) contains the output characteristics

that match this example (see Table 3).

3. Determine the auxiliary control loop. In this example, an auxiliary control loop (X1) is required to readjust the

setpoint remotely (see Table 4).

The controller model and application number needed for this example is RWD44U, Application #11.

Table 2. Legend.

Digital Output (DO)

cooling

RV Reversing valve cooling Analog control loop, DA

Digital Output (DO)

heating

RV Reversing valve heating Analog control loop, RA

Siemens Building Technologies, Inc.

Application Guide Quick Reference RWD Controllers 44U/45U/62U/68U

Document Number 125-3511

March 28, 2005

Table 3. RWD44U Controller Application Numbers.

Main Loop

H = Heating

C = Cooling

Cr = Compressor

RV = Reversing valve

Auxiliary Loop #1x (2H & 2C) #2x (3-stage Cr + RV cool) # 3x (3-stage Cr + RV heat)

#x0 (Standby) #10 #20 #30

#x1 (Remote setpoint) #11 #21 #31

#x2 (Alarm) #12 #22 #32

#x3 (Filter alarm) #13 #23 #33

#x4 (Comp. shift) #14 #24 #34

#x5 (Avg. X1, X2) #15 #25 #35

#x6 (Win/Sum digital) #16 #26 #36

#x7 (Win/Sum analog) #17 #27 #37

#x8 (Sensor select) #18 #28 #38

#x9 (Active input) #19 #29 #39

Table 4. RWD44U Controller Input Configurations – X1, X2, and D1.

Applications 10 Through 39

D1 Options

X2 Filter Alarm Alarm Day/Night Standby

#x0 (Standby) Main Standby ♦♦♦–

#x1 (Remote setpoint) Main Remote setpoint ♦♦♦♦

#x2 (Alarm) Main Alarm ♦– ♦♦

#x3 (Filter alarm) Main Filter alarm – ♦♦♦

#x4(Comp. Shift) Main Compensation ♦♦♦♦

#x5 (Avg. X1, X2) Main Main ♦♦♦♦

#x6 (Win/Sum Digital) Main Win/Sum ♦♦♦♦

#x7 (Win/Sum Analog) Main Win/Sum ♦♦♦♦

#x8 (Sensor select) Main Main ♦♦♦♦

#x9 (Active input) Main Standby

♦♦♦–

Table 5. RWD44U Controller Output Configurations – Digital Outputs Q1, Q2, Q3, and Q4.

Application

Numbers

Q1 Q2 Q3 Q4

10 through 19 Heating Stage 2 (H2) Heating Stage 1 (H1) Cooling Stage 1 (C1) Cooling Stage 2 (C2)

20 through 29

30 through 39 Reversing Valve (RV) Compressor Stage 1 (Cr1) Compressor Stage 2 (Cr2) Compressor Stage 3 (Cr3)

Page 2 Siemens Building Technologies, Inc.

RWD44U/45U/62U/68U/82U Controllers Application Guide Quick Reference

Document Number 125-3511

March 28, 2005

Table 6. RWD45U Controller Application Numbers.

Main LoopH = Heating

C = Cooling

Cr = Compressor

RV = Reversing valve

Eco = Economy

Auxiliary Loop #1x (2H2C + Eco Cool) #2x (3-stage Cr + RV cool + Eco Cool) # 3x (3-stage Cr + RV heat + Eco Cool)

#x0 (Standby) #10 #20 #30

#x1 (Remote setpoint) #11 #21 #31

#x2 (Alarm) #12 #22 #32

#x3 (Filter alarm) #13 #23 #33

#x4 (Comp. shift) #14 #24 #34

#x5 (Avg. X1, X2) #15 #25 #35

#x6 (Win/Sum Digital) N/A N/A N/A

#x7 (Win/Sum Analog) N/A N/A N/A

#x8 (Sensor select) #18 #28 #38

#x9 (Active input) #19 #29 #39

Main LoopH = Heating

C = Cooling

Cr = Compressor

RV = Reversing valve

Eco = Economy

Auxiliary Loop #4x (2H2C + Eco Heat) #5x (3-stage Cr + RV cool + Eco Heat) #6x (3-stage Cr + RV heat + Eco Heat)

#x0 (Standby) #40 #50 #60

#x1 (Remote setpoint) #41 #51 #61

#x2 (Alarm) #42 #52 #62

#x3 (Filter alarm) #43 #53 #63

#x4 (Comp. shift) #44 #54 #64

#x5 (Avg. X1, X2) #45 #55 #65

#x6 (Win/Sum Digital) N/A N/A N/A

#x7 (Win/Sum Analog) N/A N/A N/A

#x8 (Sensor select) #48 #58 #68

#x9 (Active input) #49 #59 #69

Main LoopH = Heating

C = Cooling

Cr = Compressor

RV = Reversing valve

Ind = Independent

Auxiliary Loop #7x (2H2C + Ind Y) #8x (3-stage Cr + RV cool + Ind Y) #9x (3-stage Cr + RV heat + Ind Y)

#x0 (Standby) #70 #80 #90

#x1 (Remote setpoint) #71 #81 #91

#x2 (Alarm) #72 #82 #92

#x3 (Filter alarm) #73 #83 #93

#x4 (Comp. shift) #74 #84 #94

#x5 (Avg. X1, X2) #75 #85 #95

#x6 (Win/Sum Digital) #76 #86 #96

#x7 (Win/Sum Analog) #77 #87 #97

#x8 (Sensor select) #78 #88 #98

#x9 (Active input) #79 #89 #99

NOTE: The dotted lines indicate that the applications can be configured for either reverse or direct acting.

Siemens Building Technologies, Inc. Page 3

Application Guide Quick Reference RWD Controllers 44U/45U/62U/68U

Document Number 125-3511

March 28, 2005

Table 7. RWD45U Controller Input Configurations – X1, X2, X3 and D1.

Applications 10 Through 69

D1 Options

X3 Filter

Alarm

Alarm Day/Night Standby

#x0 (Standby) Main Standby Eco ♦♦♦–

#x1 (Remote

setpoint)

Main Remote setpoint Eco ♦♦♦♦

#x2 (Alarm) Main Alarm Eco ♦– ♦♦

#x3 (Filter alarm) Main Filter alarm Eco – ♦♦♦

#14, 24, 34 (Comp.

Shift) *

Main Comp. + Eco

(cool)

Standby ♦♦♦–

#44, 54, 64 (Comp.

Shift)

Main Comp. Eco

(heat)

♦♦♦♦

#x5 (Avg. X1, X2) Main Main Eco ♦♦♦♦

#x6 (Win/Sum

Digital)

N/A N/A N/A – – – –

#x7 (Win/Sum

Analog)

N/A N/A N/A – – – –

#x8 (Sensor select) Main Main Eco ♦♦♦♦

#x9 (Active input) Main Standby Eco ♦♦♦–

* For Applications 14, 24, and 34, the X2 sensor (outside air temperature) is used for both economizer and compensation shift.

Applications 70 Through 99

D1 Options

X3 Filter

Alarm

Alarm Day/Night Standby

#x0 (Standby) Main Standby Ind ♦♦♦–

#x1 (Remote

setpoint)

Main Remote setpoint Ind ♦♦♦♦

#x2 (Alarm) Main Alarm Ind ♦– ♦♦

#x3 (Filter alarm) Main Filter alarm Ind – ♦♦♦

#x4 (Comp. Shift) Main Comp. Ind ♦♦♦♦

#x5 (Avg. X1, X2) Main Main Ind ♦♦♦♦

#x6 (Win/Sum

Digital)

Main Win/Sum digital Ind ♦♦♦♦

#x7 (Win/Sum

Analog)

Main Win/Sum analog Ind ♦♦♦♦

#x8 (Sensor select) Main Main Ind ♦♦♦♦

#x9 (Active input) Main Standby Ind ♦♦♦–

Page 4 Siemens Building Technologies, Inc.

RWD44U/45U/62U/68U/82U Controllers Application Guide Quick Reference

Document Number 125-3511

March 28, 2005

Table 8. RWD 45U Controller Output Configurations – Digital Outputs Q1, Q2, Q3, Q4, and Y1.

Application

Numbers

Q1 Q2 Q3 Q4 Y1

10 through 19 Eco Cool

40 through 49 Eco Heat

70 through 79

Heating Stage 2 (H2) Heating Stage 1 (H1) Cooling Stage 1 (C1) Cooling Stage 2 (C2)

Ind

Application

Numbers

Q1 Q2 Q3 Q4 Y1

20 through 29 Reversing Valve (RV)

Cool

30 through 39 Reversing Valve (RV)

Heat

Eco Cool

50 through 59 Reversing Valve (RV)

Cool

60 through 69 Reversing Valve (RV)

Heat

Eco Heat

80 through 89 Reversing Valve (RV)

Cool

90 through 99 Reversing Valve (RV)

Heat

Compressor Stage 1

(Cr1)

Compressor Stage 2

(Cr2)

Compressor Stage 3

(Cr3)

Ind

Table 9. RWD62U Controller Application Numbers.

Main Loop

H = Heating

C = Cooling

SP = Setpoint

(First digit =

Main control loop

Second digit = Auxiliary

control loop) SP

SP SP

Auxiliary Loop #1 ×

H Sequence

#2 ×

H + H

Sequences

# 3 ×

H + C Sequences

#4 ×

C Sequence

#5 ×

C + C

Sequences

#x0 (No auxiliary) #10 #20 #30 #40 #50

#x1 (Remote setpoint) #11 #21 #31 #41 #51

#x2 (Absolute limiter) #12 #22 #32 #42 #52

#x3 (Relative limiter) #13 #23 #33 #43 #53

#x4 (Comp. shift) #14 #24 #34 #44 #54

#x5 (Cascade) #15 #25 #35 #45 #55

#x6 (Win/Sum Digital) #16 #26 #36 – –

#x7 (Win/Sum Analog) #17 #27 #37 – –

#x8 (Maximum priority) – – #38 #48 #58

#x9 Main loop (Active input) #19 #29 #39 #49 #59

NOTES:

1. The heating sequence output is set to Direct Acting (default). This is typically used for normally open valves.

Output can be set to reverse acting by changing the MIN and MAX value.

2. The cooling sequence output is set to Direct Acting (default). This is typically used for normally closed valves.

Output can be set to reverse acting by changing the MIN and MAX value.

Siemens Building Technologies, Inc. Page 5

Application Guide Quick Reference RWD Controllers 44U/45U/62U/68U

Document Number 125-3511

March 28, 2005

Table 10. RWD68U Controller Application Numbers.

H = Heating,

C = Cooling,

(1st digit = Main Control

Loop,

2nd digit = Auxiliary

Control Loop)

Main

Loop

Auxiliary Loop #1x

Sequence

#2x

H + H

Dependent

#3x

H + H

Independent

#4x

Digital H +

Analog C

#5x

Analog H +

Digital C

#6x

C + C or

D + D

Dependent

#7x

C + C

Independent

#8x

Sequence

#x0 No auxiliary #10 #20 #30 #40 #50 #60 #70 #80

#x1 Remote setpoint #11 #21 #31 #41 #51 #61 #71 #81

#x2 Absolute limiter #12 #22 #32 #42 #52 #62 #72 #82

#x3 Relative limiter #13 #23 #33 #43 #53 #63 #73 #83

#x4 Compensation shift #14 #24 #34 #44 #54 #64 #74 #84

#x5 Cascade - #25 #35 #45 #55 #65 #75 -

#x6 Win/Sum digital #16 - #36 #46 #56 - - -

#x7 Win/Sum analog #17 - #37 #47 #57 - - -

#x8 Max. priority - - - #48 - #68 #78 -

#x9 Main loop (active

input)

#19 #29 #39 #49 #59 #69 #79 #89

NOTES:

1. The analog heating sequence output is set to Direct Acting (default). This is typically used for normally open valves.

Output can be set to reverse acting by changing the MIN and MAX value.

2. The analog cooling sequence output is set to Direct Acting (default). This is typically used for normally closed valves.

Output can be set to reverse acting by changing the MIN and MAX value.

Table 11. RWD82U Controller Application Numbers.

H = Heating

C = Cooling

3P = 3-position

(1st digit = Main Control

Loop, 2nd digit =

Auxiliary Control Loop)

Main

Loop

Auxiliary Loop #1x

H + H

Dependent

#2x

H + H

Independent

#3x

3-Position

#4x

H + C

#5x

C + C

Dependent

#6x

C + C

Independent

#7x

3-Position

#x0 No auxiliary #10 #20 #30 #40 #50 #60 #70

#x1 Remote Setpoint #11 #21 #31 #41 #51 #61 #71

#x2 Absolute limiter #12 #22 #32 #42 #52 #62 #72

#x3 Relative limiter #13 #23 #33 #43 #53 #63 #73

#x4 Compensation shift #14 #24 #34 #44 #54 #64 #74

#x5 Cascade – – #35 – – – #75

#x6 Win/Sum digital – #26 #36 #46 – – –

#x7 Win/Sum analog – #27 #37 #47 – – –

#x8 Max. priority – – – – – – #78

#x9 Main loop (active

input)

#19 #29 #39 #49 #59 #69 #79

NOTES:

1. The heating sequence output is set to Direct Acting (default). This is typically used for normally open valves.

Output can be set to reverse acting by changing the MIN and MAX value.

2. The cooling sequence output is set to Direct Acting (default). This is typically used for normally closed valves.

Output can be set to reverse acting by changing the MIN and MAX value.

Page 6 Siemens Building Technologies, Inc.

RWD44U/45U/62U/68U/82U Controllers Application Guide Quick Reference

Document Number 125-3511

March 28, 2005

Information in this publication is based on current specifications. The company reserves the right to make changes in specifications and models as

design improvements are introduced. Other product or company names mentioned herein may be the trademarks of their respective owners.

Siemens Building Technologies, Inc.

1000 Deerfield Parkway

Your feedback is important to us. If you have

comments about this document, please send them to

Table 12. RWD62U/68U/82U PS 3 Auxiliary Function Parameter Set-up.

Auxiliary Number:

Parameter Description #x1

REM

#x2

LIM

#x3

LIM

#x4

COMP

#x5

CAS

#x6

WIN/SUM

#x7

WIN/SUM

XDZ Dead zone or offset (refer to the above explanation) x

MAX Value to start Limiter cooling x x

MIN Value to start Limiter heating x x

XP-h P-band in Limiter heating x x

XP-c P-band in Limiter cooling x x

TN-h Integrating time heating x x x

TN-c Integrating time cooling x x x

COMP start point heating/reverse acting x

COMP end point heating/reverse acting x

Adjustment in heating/reverse acting x

COMP start point cooling/direct acting x

COMP end point cooling/direct acting x

Adjustment in cooling/direct acting x

MAX Maximum of virtual setpoint x

MIN Minimum of virtual setpoint x

XPh1 First heating/reverse acting P-band in Cascade x

XPc1 First cooling/direct acting P-band in Cascade x

WIN As X2 < WIN, Y1 is reverse acting x

SUM As X2 > SUM, Y1 is direct acting x

T Time elapsed to allow next winter/summer

changeover (Y1 only)

x x

There are no auxiliary function parameters for Applications #x8 and #x9.

Buffalo Grove, IL 60089-4513

U.S.A.

[email protected] Page 7 of 7

Document No. 125-3505

Country of Origin: US

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