11
ENG
pRack +0300025EN rel. 1.3 - 17.12.2015
2.2 Technical specifi cations
2.2.1 Physical specifi cations
Dimensions
SMALL 13 DIN modules 110 x 227,5 x 60 mm
MEDIUM, LARGE, 18 DIN modules 110 x 315 x 60 mm
BUILT-IN DRIVER 18 DIN modules 110 x 315 x 75 mm
Plastic case
Assembly fi tted on DIN rail in accordance with DIN 43880 CEI EN 50022
Material technopolymer
Flammability V2 (UL94) and 850 °C (in accordance with IEC 60695)
Ball pressure test 125 °C
Resistance to creeping current ≥ 250 V
Colour White RAL 9016
Built-in terminal PGD1 (132x64 pixel) with backlit keypad
Other features
Operating conditions
PRK300*3**, PRK300*0**(w/o built-in terminal): -40T70 °C, 90% RH non-condensing(*)
PRK300*3*0 (with built-in terminal): -20T60 °C, 90% RH non-condensing
(*) with Ultracap module fi tted: -40T60°C
Storage conditions
PRK300D*** (w/o built-in terminal): -40T70 °C, 90% RH non-condensing
PRK300D*** (with built-in terminal): -30T70 °C, 90% RH non-condensing
Ingress protection
Models with USB port and/or with Ultracap module: IP20 on the front panel only
Models without USB port and without Ultracap module: IP40 on the front panel only
Environmental pollution 2
Class according to protection against electric shock
to be integrated into Class I and/or II appliances in the versions without valve driver,
class I in the versions with valve driver
PTI of the insulating materials PCB: PTI 250 V; insulating material: PTI 175
Period of stress across the insulating parts long
Type of action 1C; 1Y for SSR versions
Type of disconnection or microswitching microswitching
Heat and fi re resistance category Category D (UL94-V2)
Ageing characteristics (operating hours) 80,000
Number of automatic operating cycles 100,000 (EN 60730-1); 30,000 (UL 873)
Overvoltage category category II
Tab. 2.d
2.2.2 Electrical specifi cations
Power supply SMALL, MEDIUM, LARGE: use a dedicated 50 class II safety transformer VA.
BUILT IN DRIVER: use a dedicated 100 VA class II safety transformer.
Vac P (Vac) Vdc P (Vdc)
SMALL 24 Vac (+10/-15%),
50/60 Hz protected
by an external 2.5 A
type T fuse
45 VA 28 to 36 Vdc
(-20/+10%) protected
by an external 2.5 A
type T fuse
30 W
MEDIUM
LARGE
(EXTRALARGE)
BUILT-IN DRIVER
(DRIVER VALVE INTEGRATED)
90 VA Not allowed
Important: only power “PRK300TD***” with alternating current. The power transformer secondary must be earthed.
Terminal block with male/female plug-in connectors
Cable cross-section min 0.5 mm
2
- max 2.5 mm
2
CPU 32 bit, 100 MHz
Non-volatile memory (FLASH) 2 M byte Bios + 11 Mbyte application program
Data memory (RAM) 3.2 Mbyte (1.76 Mbyte Bios + 1.44 Mbyte application program)
T buff er memory (EEPROM) 13 kbyte
P parameter memory(EEPROM) 32 kbyte (not available to the pLAN)
Clock with battery standard, precision 100 ppm
Battery CR2430 3 Vdc lithium button battery (size 24x3 mm)
Software class and structure Class A
Category of immunity to voltage
surges (EN 61000-4-5)
Category III
Device not designed to be hand-held when powered
Tab. 2.e