SIEMENS RWD 82,32 CONTROLLER PARAMETERS

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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 1000Ω temperature sensor	Ni 1000Ω: -50.150°C (unchangeable)
X2LS	X2 is Landis & Staefa Ni 1000Ω temperature sensor	Ni 1000Ω: -50.150°C (unchangeable)
X1Pt	X1 is Platinum Pt 1000Ω temperature sensor	Pt 1000Ω: -20.180°C (unchangeable)
X2Pt	X2 is Platinum Pt 1000Ω temperature sensor	Pt 1000Ω: -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 Ω

 

 

 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