Ensures machine safety in an explosive atmosphere
EB3N Safety Relay Barrier
Explosion
Protection
Safety
+
Machine
Safety
First ever in the world! Safety relay barrier rated by Japan TIIS ([Exia] II C) and
Machine Safety Standard ISO 13849-1 (PLe, Cat 4)
In an explosive atmosphere, safety input devices can
be connected to the EB3N to build a safety system.
Explosion
Protection Safety
Machine
Safety
EB3N Safety Relay Barrier
Yes
Yes
Conventional Contact
Signal Transducer
Yes
—
EB3N ensures explosion protection safety and machine safety
Safety Input Device EB3N Safety Relay Barrier Safety Control Device Safety Standards
Explosion Protection Safety
Yes
Yes
—
Yes
Machine Safety
Yes
Yes
Yes
Yes
Conventional system does not ensure machine safety
Safety Input Device Contact Signal Transducer (EB3C) Safety Control Device Safety Standards
Explosion Protection Safety
Yes
Yes
—
Yes
Machine Safety
Yes
—
Yes
—
Combining a conventional contact signal transducer with safety input devices, such as emergency stop switches or interlock
switches, and safety control devices such as safety relay modules, safety controllers, or safety PLCs will also meet explosion
protection safety, but does not meet machine safety.
Hazardous Area
Emergency stop switch,
Interlock switch
Non-hazardous Area
EB3N
Safety relay module,
Safety controller
Motor,
etc.
Safety contactor
Intrinsically Safe Explosion-proof
Interlock Switch
Emergency Stop Switch
Hazardous Area
Emergency stop switch,
Interlock switch
Non-hazardous Area
Contact signal
transducer
Safety relay module,
Safety controller
Safety contactor
EB3C relay barrier
Motor,
etc.
By combining the EB3N safety relay barrier with safety input devices, such as emergency stop switches or interlock switches,
and contactors compliant with safety standards, explosion protection safety and machine safety can be achieved. In addition,
safety control devices, such as safety relay modules or safety controllers, can also be combined to build a safety system.
(10/02/05)
