Pinnacle Systems Universal Safety Controller HUB - Manual (Page 10)

Page 5 of 18
Determining Safety Level
EN954-1
Category Level will determine the type of E-Stop Circuit(s)
used.
Category #2 2 Wire
Category #3 3 Wire
Category #4 4 Wire
Solid-State Output Light Curtains can use the 2 Wire
configuration in a Category #4 installation as long as
the Light Curtains Outputs are Self-Checking. (The
Microguard Model SS Light Curtain has Self-Checking
Outputs)
Output Devices
Channel C1-3 and Channel D1&2 are the only Safety
Output Devices.
Latching Relay Output. To force a Safety Output
Channel to latch upon opening of any Safety device, you
must add a RST Button device. To then Reset a Safety
Output Channel, you must cycle the RST Button (see .....
diagram for wiring example).
External Device Monitoring (EDM). EDM is
required if you want to add external mechanical Safety
Relays to either Channel C or Channel D. Most likely EDM
will find use with Channel D, since Channel C already has
monitored Safety Relays built in.
EDM is wired in series through N.C. Contacts of both
external Safety Relays. EDM inputs should be closed
when the output is OFF (open). The EDM inputs should be
open when the Output is ON (closed). (see .... diagram
for wiring example)
Status Outputs. Solid-State Channel E outputs 1-8
provide non-safety status. Channel E1 is always indicating
the Status of Output Channel D. (E1 on = Channel D on).
The remaining 7 outputs can be tied to any particular Input
Device. The Auxiliary Dry contact Channel C4 output can
be used as a status Channel C.
Auxiliary Channel C4 Dry Relay Contact. A
non-monitored form C N.O. & N.C. dry 5A relay contact
is provided as Channel C4 and can be used to indicate
status of the Channel C outputs.
Timers. Use a Timer to hold an output On or Off for a
user programmable amount of time. See Page 12 of 18
for Timer programming.
The five categories range from the simplest category “B” through to category
“1” up to category “4” this being the most stringent in acknowledgment of the
higher risk anticipated.
British Standard publishes a category assessment chart in BS EN 954-1
based on the factors above.
The following assessment chart extracted from BS EN 954-1 determines the
category.
Key
Categories
B 1 2 3 4
� �
� � � �
� � � �
� �
� �
S1 Severity of injury – Slight (i.e. cut or bruise)
S2 Severity of injury – Serious (i.e. hospital treatment to fatal)
F1 Frequency of exposure to hazard – seldom or often but short exposure
F2 Frequency of exposure to hazard – continuous or frequent with long exposure
P1 Possibility of avoiding hazard – possible or slow moving hazard
P2 Possibility of avoiding hazard – not possible or fast moving hazard
Possible category requiring further measures
� � Preferred category
Measures exceeding requirements for risk involved
S1
S2
F1
F2
P1
P2
P1
P2
The five categories range from the simplest category “B” through to category
“1” up to category “4” this being the most stringent in acknowledgment of the
higher risk anticipated.
British Standard publishes a category assessment chart in BS EN 954-1
based on the factors above.
The following assessment chart extracted from BS EN 954-1 determines the
category.
Key
Categories
B 1 2 3 4
� �
� � � �
� � � �
� �
� �
S1 Severity of injury – Slight (i.e. cut or bruise)
S2 Severity of injury – Serious (i.e. hospital treatment to fatal)
F1 Frequency of exposure to hazard – seldom or often but short exposure
F2 Frequency of exposure to hazard – continuous or frequent with long exposure
P1 Possibility of avoiding hazard – possible or slow moving hazard
P2 Possibility of avoiding hazard – not possible or fast moving hazard
Possible category requiring further measures
� � Preferred category
Measures exceeding requirements for risk involved
S1
S2
F1
F2
P1
P2
P1
P2
S1 Severity of injury – Slight (i.e. cut or bruise)
S2
Severity of injury – Serious (i.e. hospital
treatment to fatal)
F1
Frequency of exposure to hazard – seldom or
often but short exposure
F2
Frequency of exposure to hazard – continuous
or frequent with long exposure
P1
Possibility of avoiding hazard – possible or
slow moving hazard
P2
Possibility of avoiding hazard – not possible or
fast moving hazard
Possible category requiring further measures
Preferred category
Measures exceeding requirements for risk
involved
The five categories range from the simplest category “B” through to category
“1” up to category “4” this being the most stringent in acknowledgment of the
higher risk anticipated.
British Standard publishes a category assessment chart in BS EN 954-1
based on the factors above.
The following assessment chart extracted from BS EN 954-1 determines the
category.
Key
Categories
B 1 2 3 4
� �
� � � �
� � � �
� �
� �
S1 Severity of injury – Slight (i.e. cut or bruise)
S2 Severity of injury – Serious (i.e. hospital treatment to fatal)
F1 Frequency of exposure to hazard – seldom or often but short exposure
F2 Frequency of exposure to hazard – continuous or frequent with long exposure
P1 Possibility of avoiding hazard – possible or slow moving hazard
P2 Possibility of avoiding hazard – not possible or fast moving hazard
Possible category requiring further measures
� � Preferred category
Measures exceeding requirements for risk involved
S1
S2
F1
F2
P1
P2
P1
P2
The five categories range from the simplest category “B” through to category
“1” up to category “4” this being the most stringent in acknowledgment of the
higher risk anticipated.
British Standard publishes a category assessment chart in BS EN 954-1
based on the factors above.
The following assessment chart extracted from BS EN 954-1 determines the
category.
Key
Categories
B 1 2 3 4
� �
� � � �
� � � �
� �
� �
S1 Severity of injury – Slight (i.e. cut or bruise)
S2 Severity of injury – Serious (i.e. hospital treatment to fatal)
F1 Frequency of exposure to hazard – seldom or often but short exposure
F2 Frequency of exposure to hazard – continuous or frequent with long exposure
P1 Possibility of avoiding hazard – possible or slow moving hazard
P2 Possibility of avoiding hazard – not possible or fast moving hazard
Possible category requiring further measures
� �
Preferred category
Measures exceeding requirements for risk involved
S1
S2
F1
F2
P1
P2
P1
P2