Interlock Switches
Non contact Switches
Sipha Control Units
Specifications (continued)
Safety Inputs
Sipha 1 1 N.C. & 1 N.O.
Sipha 2 & 6 6 x (1 N.C. & 1 N.O.)
Maximum Input Resistance
Terminals 1 – 4 200Ω
Terminals 2 – 3 150Ω
Minimum Approach Speed
Safety Outputs
Sipha 1 1 N.O.
Sipha 1 2 N.O.
Sipha 6 2 N.O. + 1 N.O. Delayed (0.6 to 30sec)
Output Rating
Minimum Switched Current/
Voltage
Maximum Recommended
Output Fuse
B300, AC-15, 4A/250V AC
P300, DC-15, 2A/30V DC
10mA/10V
5A quick blow AC, 3A quick blow DC
17mm/s (0.67in/s)
Description
With the increasing speed and complexity of applications a simple
magnetic switch may be insufficient to meet the increased risks,
therefore Sipha’s design incorporates several magnetically sensitive
elements which must be triggered in a particular sequence to operate
correctly. The Sipha sensor, designed to operate with its own
actuator, helps prevent defeatability by a simple magnet.
The control unit is available in three types. The Sipha 1 control unit
operates on 24V AC/DC and offers 1 N.O. safety output and 1 N.C.
solid state auxiliary output. The Sipha 2 control unit operates on
either 24V AC/DC, 110V AC or 230V AC and offers 2 N.O. safety
outputs and 1 N.C. auxiliary output. The Sipha 6 has wiring
terminals for up to 6 sensors, a delayed output for Category 1 stops
and offers the same wide range of power supply capability as the
Sipha 2 control unit. Between 2 and 6 Sipha sensors can be directly
connected to the Sipha 6 control unit. An internal DIP switch mutes
the unused connections to sensors 1, 2, 3 and 4. This allows for
individual monitoring to each interlock and provides enhanced
safety integrity when compared to six interlocks running off a single
Sipha 2 control unit.
The Sipha control units are designed to operate with the Sipha
sensors and actuators. The controllers have automatic reset.
Auxiliary Outputs (not for
safety use)
Sipha 1 1 N.C. Photovoltaic MOSFET (on
resistance typically 36Ω)
Sipha 2 & 6 1 N.C.
Auxiliary Output Switching
Capability
Sipha 1 100mA/230V AC, 100mA/24V DC
Sipha 2 & 6 2A/230 V AC, 2A/24 V DC
Indication LEDs
Impulse Withstand Voltage
Installation Group
Pollution Degree
Operating Temperature
Humidity
Torque Settings—
Terminal Screws
Conductor Size
Case Material
Mounting
Weight
Sipha 1 140g (0.31lbs)
Sipha 2 410g (0.90lbs)
Sipha 6 675g (1.49lbs)
Electrical Life
220V AC/4A880VA
cosϕ=.35
220V AC/1.7A375VA/
cosϕ=.6
30V DC/2A60W
10V DC/0.01A/0.1W
Mechanical Life
Vibration
Shock
100,000 operations
500,000 operations
1,000,000 operations
2,000,000 operations
2,000,000 operations
1mm, 10 to 55Hz
30g, 11ms half-sine
Green LED = Power on
Green LED = Output closed
2500V
C in accordance with VDE 0110
3
-10°C to +55°C (+14° to +131°F)
90% RH
1N
⋅
m (8.85lb
⋅
in)
0.2-2.5mm
2
(24-14AWG)
Red Polycarbonate
35mm DIN Rail
Features
•
•
•
•
Non contact actuation
Magnetic coded sensing
Control Unit acts as safety relay
Four types of switches
Specifications
Standards
EN954-1, ISO13849-1, IEC/EN60204-1,
NFPA79, EN1088, ISO14119,
IEC60947-5-1, ANSI B11.19, AS4024.1
Sipha 1 & 2 Cat. 3 per EN954-1
Sipha 6 Cat. 4 per EN954-1
Approvals
Power Supply
Sipha 1 24V AC/DC
Sipha 2 & 6 24V AC/DC and 110/230V AC
Power Consumption
Sipha 1 <2VA
Sipha 2 & 6 <4VA
CE marked for all applicable directives,
cULus and T
Ü
V
Category
3-56
Embedded System
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