94 P/N 133487
Banner Engineering Corp. • Minneapolis, U.S.A.
www.bannerengineering.com • Tel: 763.544.3164
SC22-3 Safety Controller
Instruction Manual
Appendix A
A.10.2 SC22-3 Bypass Switch Hookup Options
The device(s) is shown not actuated or in the Off state.
Dual-Channel (2 terminals or 3 terminals): This circuit
typically can meet ISO 13849-1 category 2 or category 3
requirements depending on the safety rating and installation of
the bypass switch(es). Dual-channel 3-terminal hookup uses
pulse monitoring and can detect a short circuit to another source
of power. Both 2- and 3-terminal hookup can detect a short
between channels when the contacts are open if the short is
present longer than 2 seconds.
Bypass Switches - Dual Channel
2-Ch, 2 Terminals 2-Ch, 3 Terminals 2-Ch, 4 Terminals
24V
2-Ch, 2 Terminals
2 PNP
Bypass Switches - 2x Dual Complementary
2x Complementary,
4 Terminals
24V
2x Complementary,
5 Terminals
20-Sept-06 Rev. D - Moved 24V, ON and OFF text closer to drawings.
21-Nov-06 Rev E - Added + sign to 2-Ch, 3 Terminals; 2-Ch, 4 Terminals; 2x Complementary, 4 Terminals
10-Jan-07 Rev F - Changed + sign text to outlines
25-May-07 Rev G - Changed all PNP drawings and 2x Complementary, 5 Terminals (moved + sign)
OFFOFF
Bypass Switches - Dual Complementary
Complementary,
2 Terminals
Complementary,
3 Terminals
Complementary,
2 Terminals, 2 PNP
24V
ONOFF
2x Complementary,
4 Terminals, 2 PNP
ONOFF ONOFF
Bypass Switches - Dual Channel
2-Ch, 2 Terminals 2-Ch, 3 Terminals 2-Ch, 4 Terminals
24V
2-Ch, 2 Terminals
2 PNP
Bypass Switches - 2x Dual Complementary
2x Complementary,
4 Terminals
24V
2x Complementary,
5 Terminals
20-Sept-06 Rev. D - Moved 24V, ON and OFF text closer to drawings.
21-Nov-06 Rev E - Added + sign to 2-Ch, 3 Terminals; 2-Ch, 4 Terminals; 2x Complementary, 4 Terminals
10-Jan-07 Rev F - Changed + sign text to outlines
25-May-07 Rev G - Changed all PNP drawings and 2x Complementary, 5 Terminals (moved + sign)
OFFOFF
Bypass Switches - Dual Complementary
Complementary,
2 Terminals
Complementary,
3 Terminals
Complementary,
2 Terminals, 2 PNP
24V
ONOFF
2x Complementary,
4 Terminals, 2 PNP
ONOFF ONOFF
Dual-Channel (PNP device): This circuit can meet ISO 13849-1
category 2, 3, or 4 requirements depending on the safety rating,
installation, and the fault detection (e.g., short circuit) capabilities
of the bypass switch(es). The SC22-3 does not provide short
circuit detection in this configuration.
Bypass Switches - Dual Channel
2-Ch, 2 Terminals 2-Ch, 3 Terminals 2-Ch, 4 Terminals
24V
2-Ch, 2 Terminals
2 PNP
Bypass Switches - 2x Dual Complementary
2x Complementary,
4 Terminals
24V
2x Complementary,
5 Terminals
20-Sept-06 Rev. D - Moved 24V, ON and OFF text closer to drawings.
21-Nov-06 Rev E - Added + sign to 2-Ch, 3 Terminals; 2-Ch, 4 Terminals; 2x Complementary, 4 Terminals
10-Jan-07 Rev F - Changed + sign text to outlines
25-May-07 Rev G - Changed all PNP drawings and 2x Complementary, 5 Terminals (moved + sign)
OFFOFF
Bypass Switches - Dual Complementary
Complementary,
2 Terminals
Complementary,
3 Terminals
Complementary,
2 Terminals, 2 PNP
24V
ONOFF
2x Complementary,
4 Terminals, 2 PNP
ONOFF ONOFF
Dual-Channel (4 terminals): This circuit can meet ISO 13849-1
Category 2, 3, or 4 requirements depending on the safety rating
and the installation of the bypass switch(es). This circuit can
detect a short circuit between channels or to another source of
power.
Optical Sensors and Protective Stop - Dual Channel
Optical Sensors and Protective Stop - Single Channel
2-Ch, 2 Terminals 2-Ch, 3 Terminals 2-Ch, 4 Terminals
24V
2-Ch, 2 Terminals
2 PNP
Muting Sensor Pair - Dual Complementary
Complementary,
2 Terminals
Complementary,
3 Terminals
Complementary PNP
24V
01-Aug-2007 Optical Sensors and Protective Stop Circuit drawings are the same
OFFOFF
ONOFF
24V
1-Ch.
1 Terminal
1-Ch.
2 Terminals
1-Ch.
1 Term, PNP
Revision History
Complementary (2 terminals or 3 terminals): This circuit can
meet ISO 13849-1 category 2, 3, or 4 requirements depending
on the safety rating and the installation of the bypass switch(es).
This circuit can detect a short circuit between channels. In the
actuated condition (e.g., S1 open/S2 closed, as shown below)
a short across the closed contact can cause the response
time to increase based on the debounce time. In this situation,
the response time could be longer as specified, based on the
(selected) debounce time, see Section 3.2.2.
Enabling Device Circuit Diagrams - Dual Channel
2-Ch, 2 Terminals 2-Ch, 3 Terminals 2-Ch, 4 Terminals
24V
2-Ch, 2 Terminals
2 PNP
Enabling Device Circuit Diagrams - 2x Dual Complementary
2x Complementary,
4 Terminals
24V
2x Complementary,
5 Terminals
Revision History
OFFOFF
Enabling Device Circuit Diagrams - Dual Complementary
Complementary,
2 Terminals
Complementary,
3 Terminals
Complementary,
2 Terminals, 2 PNP
24V
ONOFF
2x Complementary,
4 Terminals, 2 PNP
ONOFF ONOFF
S1 S2
Enabling Device Circuit Diagrams - Dual Channel
2-Ch, 2 Terminals 2-Ch, 3 Terminals 2-Ch, 4 Terminals
24V
2-Ch, 2 Terminals
2 PNP
Enabling Device Circuit Diagrams - 2x Dual Complementary
2x Complementary,
4 Terminals
24V
2x Complementary,
5 Terminals
Revision History
OFFOFF
Enabling Device Circuit Diagrams - Dual Complementary
Complementary,
2 Terminals
Complementary,
3 Terminals
Complementary,
2 Terminals, 2 PNP
24V
ONOFF
2x Complementary,
4 Terminals, 2 PNP
ONOFF ONOFF
S1 S2
Complementary (PNP device): This circuit can meet ISO
13849-1 category 2, 3, or 4 requirements depending on the
safety rating and the installation of the bypass switch(es).
This circuit can detect a shortcircuit between channels. In the
actuated condition (e.g., S1 OFF/S2 ON, as shown below) a
short across the closed contact can cause the response time
to increase based on the debounce time. In this situation, the
response time could be longer than specified, based on the
(selected) debounce time, see Section 3.2.2.
Two-Hand Operation
2-Ch, 2 Terminals 2-Ch, 2 Terminals2-Ch, 3 Terminals 2-Ch, 4 Terminals
2-Ch, 2 Terminals
2 PNP
Two Hand Operation - 2x Dual Channel Complementary
2x Complementary,
4 Terminals
2x Complementary,
5 Terminals
2x Complementary,
4 Terminals, 4 PNP
Revision History
Rev C - Corrected “OFF” and “ON” on Two-hand Operation - 2x Dual Channel Complementary, 2x Complementary, 4 Terminals, 4 PNP
20-Sept-06 Rev. D - Moved 24V, ON and OFF text closer to drawings.
13-Oct-06 Rev. E Gray lines moved below the black lines
21-Nov-06 Rev. F - Added + sign to 2-Ch, 3 Terminals, 2-Ch, 4 Terminals, 2x Dual Channel Complementary, 5 Terminals
10-Jan-07 Rev. G - Changed + sign text to outlines, changed gray lines to 6 pt. dashed lines
25-May-07 Rev H - Changed 2-Ch, 2 Terminals 2 PNP; 2x Complementary, 5 Terminals (centered arrow) and 2x Complementary, 4 Terminals, 4 PNP
20-Sept-07 Rev I - Added another 2-ch, 2 Terminal for the manual
24V
24V
OFFOFF
ONOFF ONOFF
24V
S1 S2
2x Complementary (4 terminals or 5 terminals): This circuit
can meet ISO 13849-1 category 4 requirements depending on
the design and installation of the bypass switch(es). This circuit
can detect a short circuit between channels. In the guard closed
condition (e.g., S1 open/S2 closed) a short across the closed
contact can cause the response time to increase based on the
debounce time. In this situation, the response time could be
longer than specified, based on the (selected) debounce time,
see Section 3.2.2.
Enabling Device Circuit Diagrams - Dual Channel
2-Ch, 2 Terminals 2-Ch, 3 Terminals 2-Ch, 4 Terminals
24V
2-Ch, 2 Terminals
2 PNP
Enabling Device Circuit Diagrams - 2x Dual Complementary
2x Complementary,
4 Terminals
24V
2x Complementary,
5 Terminals
Revision History
OFFOFF
Enabling Device Circuit Diagrams - Dual Complementary
Complementary,
2 Terminals
Complementary,
3 Terminals
Complementary,
2 Terminals, 2 PNP
24V
ONOFF
2x Complementary,
4 Terminals, 2 PNP
ONOFF ONOFF
S1 S2
Bypass Switches - Dual Channel
2-Ch, 2 Terminals 2-Ch, 3 Terminals 2-Ch, 4 Terminals
24V
2-Ch, 2 Terminals
2 PNP
Bypass Switches - 2x Dual Complementary
2x Complementary,
4 Terminals
24V
2x Complementary,
5 Terminals
20-Sept-06 Rev. D - Moved 24V, ON and OFF text closer to drawings.
21-Nov-06 Rev E - Added + sign to 2-Ch, 3 Terminals; 2-Ch, 4 Terminals; 2x Complementary, 4 Terminals
10-Jan-07 Rev F - Changed + sign text to outlines
25-May-07 Rev G - Changed all PNP drawings and 2x Complementary, 5 Terminals (moved + sign)
OFFOFF
Bypass Switches - Dual Complementary
Complementary,
2 Terminals
Complementary,
3 Terminals
Complementary,
2 Terminals, 2 PNP
24V
ONOFF
2x Complementary,
4 Terminals, 2 PNP
ONOFF ONOFF
S1 S2
2x Complementary (PNP device): This circuit can meet ISO
13849-1 category 4 requirements depending on the design and
installation of the bypass switch(es). This circuit can detect a
short circuit between channels. In the actuated condition (e.g.,
S1 OFF/S2 ON) a short across the closed contact can cause
the response time to increase based on the debounce time. In
this situation, the response time could be longer than specified,
based on the (selected) debounce time, see Section 3.2.2.
Enabling Device Circuit Diagrams - Dual Channel
2-Ch, 2 Terminals 2-Ch, 3 Terminals 2-Ch, 4 Terminals
24V
2-Ch, 2 Terminals
2 PNP
Enabling Device Circuit Diagrams - 2x Dual Complementary
2x Complementary,
4 Terminals
24V
2x Complementary,
5 Terminals
Revision History
OFFOFF
Enabling Device Circuit Diagrams - Dual Complementary
Complementary,
2 Terminals
Complementary,
3 Terminals
Complementary,
2 Terminals, 2 PNP
24V
ONOFF
2x Complementary,
4 Terminals, 2 PNP
ONOFF ONOFF
S1 S2
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