SIEMENS RWD 82,32 CONTROLLER PARAMETERS

In This Article we are going to see SIEMENS RWD (HVAC) Controller 82 , 32 Control Parameters.

  

RWD-82

Programming Screen

  1. PS 1 Parameter Setting Mode: Application No. Setup
  2. PS 2 Parameter Setting Mode: Defining Unit, X1 and X2
  3. PS 3 Parameter Setting Mode: Auxiliary Control
  4. PS 4 Parameter Setting Mode: Main Control Loop Setting
  5. PS Next To enter the next Parameter Setting
  6. PS Exit To exit the whole Parameter Setting Mode



PS 1 - Application No. Selection :


Name

Description

Display, Setting Range

LIM ABS

Absolute Limiter

-

WIN/SUM

diG

Winter/Summer changeover by

digital input

-

Act

Active sensor input

-

LIM

rEL

Relative Limiter

-

WIN/SUM

AnLG

Winter/Summer changeover by analogue

input

-

 


 PS 2 - Unit, X1 & X2 sensor type and sensing range definition :


Name

Description

Display, Setting Range

UNT

Unit define

°C, °F, % or ----(no unit display)

X1LS

X1 is Landis & Staefa Ni 1000Ί temperature sensor

Ni 1000Ί: -50.150°C

(unchangeable)

X2LS

X2 is Landis & Staefa Ni 1000Ί temperature sensor

Ni 1000Ί: -50.150°C

(unchangeable)

X1Pt

X1 is Platinum Pt 1000Ί temperature sensor

Pt 1000Ί: -20.180°C

(unchangeable)

X2Pt

X2 is Platinum Pt 1000Ί temperature sensor

Pt 1000Ί: -20.180°C

(unchangeable)

X1 0-10

X1 is 0-10 Vdc input sensor

0-10 Vdc: -100.8000

X2 0-10

X2 is 0-10 Vdc input sensor

0-10 Vdc: -100.8000

ΔX1

Calibration offset for X1 (Ni & Pt sensor only)

-5.5 K or -9°F.9°F

ΔX2

Calibration offset for X2 (Ni & Pt sensor only)

-5.5 K or -9°F.9°F

X2 L

Start point of the X2

(for 0-10 Vdc only)

-100.8000

X1 H

Stop point of the X1

(for 0-10 Vdc only)

-100.8000

X2 H

Stop point of the X2

(for 0-10 Vdc only)

-100.8000

X2VR

Variable Resistor

0.1000 Ί

 

 

 PS 3 - Auxiliary Control Loop Setup :


Name

Description

Display, Setting Range

XP-h

Proportion band for heating

  • Ni: 0.5.180 K
  • Pt: 0.5.180 K
  • Active input: 0.05.7300

XP-c

Proportion band for cooling

  • Ni: 0.5.180 K
  • Pt: 0.5.180 K
  • Active input: 0.05.7300

XP-r

Proportion band for reverse acting

Active input: 0.05.7300

XP-d

Proportion band for direct acting

Active input: 0.05.7300

TN-h

Integral action time for heating

0.4096 sec

TN-c

Integral action time for cooling

0.4096 sec 

TN-r

Integral action time for reverse

acting

0.4096 sec

TN-d

Integral action time for direct acting

0.4096 sec

T

Time elapsed to allow next winter/summer

changeover (Q1 only)

0.4096 sec


Compensation shift (Start point, End point & Shift differential)

-

MAX

Maximum Limiter

-80.8000

MIN

Minimum Limiter

-100.7980

WIN

Winter changeover point

-100.8000

SUM

Summer changeover point

-100.8000

 

 

 PS 4 - Main Control Loop Setup :



Name

Description

Display, Setting Range

T1

Minimum switch off time for Q1

0.255 sec

T2

Minimum switch off time for Q2

0.255 sec

TCYC

Cycle time of the actuator

1.255 sec

ON

Dependent loop. On point of Q1 as a % of total (Q1+Q2) SD

0.100 %

TN3P

I time for 3-point actuator

0.4096 sec

XP3P

P band 3-point actuator

0.05.7300 (Depends on the X1 setting range)

SD

Switching Differential

0.05.7300

 







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