PISA11.CLASS2
PISA11-Series
P
ROTECTION
M
ODULE
24V,
4
O
UTPUTS
P
ROTECTION
M
ODULE
One Input and Four Current Controlled Outputs
NEC Class 2 Compliant Outputs
Ensures Sufficient Supply Voltage for Critical Loads
even in the Event of an Fault
Protects Small Cable Sizes against Overload
Hassle-free Turn-on of Loads with Large Input
Capacitors
Wide Temperature Range between -25°C and +70°C
On/Off Function of Outputs
Compact Design, Width only 45mm
Remote Monitoring and Control Functions
3 Year Warranty
1/19
G
ENERAL
D
ESCRIPTION
This protection module fulfills two basic functions. First it
distributes the current of a large (non NEC Class 2) power
source to four NEC CLASS 2 output channels and therefore
allows for a simpler wiring method and easier approval
process of the entire machine. The second function is to
permit only so much current on the outputs that the input
voltage of this unit (which corresponds to the output
voltage of the power supply) does not fall below 21V.
This ensures a safe and an uninterrupted supply voltage for
sensitive equipments, such as PLCs, controls or sensors, when
they are
connected
directly to the
same power
supply as the
PISA module.
Less critical
loads that are
not affected to short voltage interruptions or that could
even be the cause of a fault on the 24V power supply are
connected to one of the four NEC CLASS 2 output channels
of the PISA module.
S
HORT
-
FORM
D
ATA
Input voltage
DC 24V
Input voltage
range
18 - 30V
Input current
typ. 43mA
At no load
Number of outputs 4
Output currents
4x 3.7A at 24V
4x 3.2A at 28V
Input voltage
protection levels
typ. 21.4V
Temperature range -25°C to +70°C
Operational
-40°C to +85°C
Storage
Type of current
limitation
Active current limitation followed
by a shutdown
Dimensions 45x75x91mm
*)
WxHxD
Non NEC CLASS 2 Load
DC 24V
Power
Supply
NEC CLASS 2 Circuit 2
NEC CLASS 2 Circuit 3
NEC CLASS 2 Circuit 4
NEC CLASS 2 Circuit 1
A1
A2
A4
A3
PISA Protection Module
Safeguard
*) Add 13mm in depth for signal connector.
O
RDER
N
UMBERS
Protection
PISA11.CLASS2
4x NEC CLASS 2
module
outputs
M
ARKINGS
IND. CONT. EQ.
UL 508
UL 60950-1
UL 2367
IEC 60950-1
NEC CLASS 2
EMC, LVD
ATEX
II 3G EX nA nC IIC T4
Class I Div 2, Pending
Feb. 2012 / Rev. 1.3 DS-PISA11.CLASS2 - data sheet -
All parameters are specified at 24Vdc input, 25°C ambient temperature and a 5 minutes run-in time unless otherwise noted.
www.pulspower.com Phone +49 89 9278-0 Germany
