Interlock Switches
Non contact Switches
Ferrocode
Specifications (continued)
Utilization Category (AC)
4A/250V AC/1000VA at COSϕ=1
Max Switched DC Current/Volt 2A/30V DC/60W
Min Switched DC Current/Volt 10mA/10V
Max Output Fuse
Indication
Max Drop Out Time
Impulse withstand Voltage
Operating Temperature
Contamination Level
Humidity
5A quick acting
Green = Power ON
Green = Output closed
<50mS
2500V
-10°C to +55°C (14°F to 131°F)
3
90% RH
IP40 DIN 0470
IP20 DIN 0470
1 x 2.5mm
2
(14 AWG) stranded with
sleeve stripped 8mm,1 x 4mm
2
(14AWG) solid conductor
Plus-minus terminal screws M3.5
Box terminal with wire protection
314g (0.69lbs)
530g (1.17lbs)
Red polycarbonate
16 way D = 120 H = 73 W = 45.5
C in accordance with VDE 0110
35mm DIN rail
24V DC +/– 15%
<1VA
1A output fuse
ON = 7mm, OFF = 9mm
ON = 9mm, OFF = 14mm
1 N.O. & 1 N.C.
0.5A/120V AC/60VA at COSϕ =1
Description
A two-channel system, the Ferrocode setup consists of an actuator
and a separate safety switch head that is connected to a monitoring
control unit. The Ferrocode uses electromagnetic coding, which
provides a higher level of security over magnetic coding systems. To
further prevent possible override of the system, both sensor and
actuator are supplied with tamper-resistant mounting hardware.
The absence of moving parts and direct physical contact between
sensor and actuator eliminate mechanical wear.
A Ferrocode sensor may be used without the control unit for low
power/low risk applications. However, risks should be thoroughly
evaluated prior to application of this method.
The control unit should be used when monitoring and checking of
the circuit is required. Up to 6 Ferrocode switches can be interfaced
with the 110/230V control unit and up to 15 Ferrocode switches
with the 24V version. A control unit may also be used in conjunction
with electromechanical safety devices such as limit switches, gate
interlocks and emergency stops with two contacts, 1 N.O. & 1 N.C.
Degree of Enclosure
Protection
Terminal Isolation
Max Conductor Size
Terminals
Weight 24V DC unit
110/230V unit
Material & Colour
Housing
Installation Group
Fixing Details
Switching Head
Power Supply
Power Consumption
Internal Fuse
Safety Distance
Aux. Distance
Outputs
Utilization Category (AC)
Features
• Electro-magnetic tamper resistant coding
• Interfaces directly to a safety relay control unit
Specifications
Standards
EN954-1, ISO13849-1, IEC/EN60204-
1, NFPA79, EN1088, ISO14119,
IEC60947-5-1, ANSI B11.19,
AS4024.1
Cat. 3 per EN954-1 (Sensors with
controller)
CE marked for all applicable directives
and cULus
24V AC/DC or 110/230V AC
<6VA
Normally closed contactor loop
1 N.O. & 1 N.C. from Ferrocode head
500 mAT replaceable supply fuse
Mains selector switch
2 N.O. & 1 N.C. T
Ü
V approved
Max Switched DC Current/Volt 1A/28V DC/28W
Min Switched DC Current/Volt 10mA/10V
Max Output Fuse
Indication
Impulse withstand Voltage
Operating Temperature
Contamination Level
Humidity
Degree of Protection
1A quick acting
LED 1
2500V
-10°C to +55°C (14°F to 131°F)
3
90% RH
IP67 (NEMA 6P)
Green 1 = Guard closed
Category
Approvals
Power Supply
Power Consumption
X1-X2 Contactor Monitor
Loop
Safety Inputs
Internal Fuse
Internal Switches
Relay Output
Weight (not including cable)
Switch 30g (0.07lbs)
Actuator 40g (0.09lbs)
Material & Colour
Fixing Details
Cable
Red moulded ABS plastic
M4
0.2 mm
2
(24AWG) 6 wire; Braided
PVC Jacket OD 6mm (0.23in)
3-68
Interlock Switches
Non contact Switches
Ferrocode
Typical Wiring Diagrams
+24V DC
Reset
L1 L2 L3
B1 S13 S21 A1 13 23 31 X1
Sensor 3
Sensor 2
Actuator
Actuator
Actuator
Sensor 1
Ferrocode
K1
K2
B2 S14 S22 A2 14 24 32 X2
K1 K2
Ground
Aux
M
Multiple Sensor Input, Manual Reset,
Dual-Channel Output, Monitored Output
L1
L1 L2 L3
B1 S13 S21 A1 13
Actuator
Sensor 1
23 31 X1
K1
Ferrocode
K2
B2 S14 S22 A2 14 24
K1
N
K2
32 X2
Aux
M
Single Sensor Input, Automatic Reset,
Dual-Channel Output, Monitored Output
Ferrocode Sensor
Red
+
24V DC
Supply
–
Blue
Black
Safety
N.C.
White
Note:
External Fuse is recommended
when switch is not powered by a
Ferrocode control unit. Recommend
using 24V DC or 110V AC, 300mA fuse.
Yellow
Safety
N.O.
Green
3-70
Interlock Switches
Non contact Switches
Ferrocode
Typical Application Details
On presenting the actuator to the
switch, the high-intensity
electromagnetic field together with a
resonant frequency signal causes the
contacts to close. On removing the
actuator (opening the door) the safety
contacts open, isolating the machine.
The switch can not be overridden by
magnets, tools, etc.
Safety contact operating distance:
make 7mm, break 9mm
Auxiliary contact operating distance:
make 9mm, break 14mm
Application Details
Actuator Spacing
>25mm
Switch
Actuator Approach Directions
Switch
Actuator
Actuator
On hinged doors, install switch at the opening edge.
Where 2 switches are mounted adjacent, they should
be no closer than 25mm. Recommend a 2mm spacing
between switch and actuator.
Typical Configurations
The Ferrocode switch can
be used without a control
unit for low risk/low power
applications.
Six Ferrocode switches can be used with one control
unit for high risk applications. Connect the N.C.
contacts (black and white wires) in series and the N.O.
contacts (green and yellow wires) in parallel.
One Ferrocode switch
used with a control unit
provides a higher
integrity system.
Wigan WN2 4HR
0942 55166
A1 A2 X1 X2 B1 B2 S13 S14
SUPPLY
Red
Blue
Black
White
Wigan WN2 4HR
Wigan WN2 4HR
Wigan WN2 4HR
Wigan WN2 4HR
Wigan WN2 4HR
Wigan WN2 4HR
0942 55166
0942 55166
0942 55166
0942 55166
0942 55166
0942 55166
A1 A2 X1 X2 B1 B2 S13 S14
SUPPLY
Red
Blue
Black
White
Wigan WN2 4HR
0942 55166
SEE SIDE FOR SUPPLY
Made in the EC
SEE SIDE FOR SUPPLY
Made in the EC
Ferrocode
Safety
Switch
1A 28Vdc
0.5A 120Vac
IP 67
Made in
England
Ferrocode
Actuator
Wigan WN2 4HR
FERROCODE
POWER
Control Unit
TAMPER PROOF
SAFETY SYSTEM
pr EN 1088
EN 60204 pt.1
AUXILIARY
SAFETY 1
Ferrocode
Safety
Switch
1A 28Vdc
0.5A 120Vac
IP 67
Made in
England
Ferrocode
Safety
Switch
1A 28Vdc
0.5A 120Vac
IP 67
Made in
England
Ferrocode
Safety
Switch
1A 28Vdc
0.5A 120Vac
IP 67
Made in
England
Ferrocode
Safety
Switch
1A 28Vdc
0.5A 120Vac
IP 67
Made in
England
Ferrocode
Safety
Switch
1A 28Vdc
0.5A 120Vac
IP 67
Made in
England
Ferrocode
Safety
Switch
1A 28Vdc
0.5A 120Vac
IP 67
Made in
England
FERROCODE
POWER
Control Unit
TAMPER PROOF
SAFETY SYSTEM
pr EN 1088
EN 60204 pt.1
AUXILIARY
SAFETY 1
Ferrocode
Safety
Switch
1A 28Vdc
0.5A 120Vac
IP 67
Made in
England
Ferrocode
Actuator
Wigan WN2 4HR
OUTPUT
ISOLATE BEFORE
REMOVING COVER
SAFETY 2
Green
Yellow
OUTPUT
ISOLATE BEFORE
REMOVING COVER
SAFETY 2
Green
Yellow
!
!
0942 55166
Made in
England
0942 55166
31 32 13 14 23 24 S21S22
31 32 13 14 23 24 S21S22
Made in
England
Typical Applications
Sliding Guard
Note:
Removable guards using Non contact
switches may require two switches, one at either
side of the guard, or the use of a flap to prevent
initial lifting of the non-interlocked edge.
Removable Guard
Hinged Guard
3-71
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