Belimo VRP-M - Technical Data Sheets; VRP-M Adaptive, Digital PID VAV Controller

Technical data sheet VRP-M VAV controller
www.belimo.eu Product information S4-VRP-M VAV • en • v2.0 • 11.2006 • Subject to changes 7 / 28
Adaptive digital PID VAV controller
for VRP-M system solutions
• For pressure-independent VAV and
CAV systems
• Control:
DC 0 ... 10 V / 2 ... 10 V or bus
• Diagnostics socket for VRP-M-Tool
Technical data
Electrical data
Nominal voltage AC 24 V, 50/60 Hz
DC 24 V
Power supply range AC ±20% / DC ±10%
Power consumption In operation
For wire sizing
1.1 W (incl. VFP-.. sensor, without actuator)
2.6 VA (incl. VFP-.. sensor, without actuator)
Connection Actuator
Pressure sensor
Terminals 1 ... 7
VRP-M-Tool
Plug, 6-pin
Plug, 4-pin
Screw terminals, 7-pin, 0.5 mm
2
... 1.5 mm
2
Plug, 3-pin
Functional data
VAV reference signal w (terminal 3)
Range: 
min
... 
max
Input impedance >200 kΩ
– DC 0 ... 10 / 2 ... 10 V or
– 0 ... 20 / 4 ... 20 mA (with 500 Ω resistance)
Volumetric flow actual value U5 (terminal 5)
Range 0 ... 100% 
nom
DC 0 ... 10 / 2 ... 10 V, max. 5 mA
OPEN operating step – z1 (terminal 6) OPEN, input impedance >300 kΩ
CAV operating steps z2 (terminal 7) CLOSED / 
min
/ 
mid
/ 
max
, contact current <1 mA
Control characteristics PID, adaptive
Control tolerance ±5% of 
nom
Ranges 
nom

max

min
*

mid
(intermediate position) **
Nominal volumetric flow (manufacturer-specific)
30 ... 100% of 
nom
0 ... 100% of 
nom
0 ... 100% of 
min
... 
max
LED indicator AC/DC 24 V supply
Volume too high / too low, sensor zero
MP-Bus function (terminal 4) ***
Address in bus operation
Functionality
MP 1 ... 8 (classic control: PP)
Adjustable with VRP-M-Tool and address pushbutton
Slave
Operation / service VRP-M-Tool
Safety
Protection class III Safety extra-low voltage
Degree of protection IP42
EMC CE according to 89/336/EEC
Mode of operation Type 1 (to EN 60730-1)
Ambient temperature range 0 ... +50°C
Non-operating temperature –20 ... +80°C
Ambient humidity range 5 ... 95% r.H., non-condensating (EN 60730-1)
Maintenance Maintenance-free
Dimensions/weight
Dimensions See «Dimensions» on page 25
Weight Approx. 250 g (without sensor)
* See «Creep flow limitation and minimum setting limit», page 9
** Not available with DC 24 V supply
*** For bus operation, see pages 16...18