Datasheet

Rotary Switches
27
www.elma.com
16 or 32 detents standard resolution
With or without integrated push button
Rotational life: Up to 1,000,000 revolutions
Excellent indexing feel with 0.5, 1.0, 1.5, 2.0 or 2.5 Ncm
switching torque (remains consistent over life)
Gold plated contacts
Robust metal housing with metal shaft
11.5 x 12.3 x 4.9 mm body size
Optional IP68 front panel sealing
Operating temperature range: -40 to +85°C
Various options and customization
Summary
E33 is a high quality, cost effective incremental encoder available
with or without push button switch. This new, low profile encoder
boasts a unique combination of ruggedness with available op-
tions, while providing an excellent indexing feel. The E33’s ver-
satile and scalable system platform enables Elma’s engineers to
react quickly to requests for customer-specific solutions, even in
small quantities. Elma’s world-famous product quality, perform-
ance and reliability make the E33 an ideal choice for applications
range from industrial automation to defense.
Standard Product Variety
Vertical or horizontal mounting
THT or SMT reflow (vacuum pick & place)
Threaded or non-threaded bushing
3 or 6 N push button force or without push button
32/16, 32/8, 16/16, 16/8 detents/pulses per rev. (PPR)
0.5, 1.5, 2.0 or 2.5 Ncm switching torque or no detents
IP60 or IP68
1
front panel sealing
Shaft mounted, separated or without shaft
Various standard shafts available
Tray or tape & reel packaging
Possible Customization
Shaft dimensions and shape
Switching torque and push button actuation force
Indexing resolution and PPR
Others
Typical Applications
Value and menu control for industrial PLCs
Avionics, instrumentation, test equipment
Frequency and channel selection for two way radios
User interface controls for medical devices
Volume and menu setting for transportation control and
entertainment systems
Recommended System Interfacing
cw
on
o
on
o
A
B
Detents*
S
C
GND
Encoder
PB
E33
VCC
3x 10k (pull up)
3x 10k
Debounce circuit
3x 10nF
GND
74HC14
(Inverting Schmitt-trigger)
S
A
B
S
A
B
Preference Types Selection Chart
2
Push
Button
IP Sealing Resolution Torque
THT Vertical
(Threaded bushing
3
)
SMT Vertical
(Non-threaded bushing)
Yes, 6 N
IP60
32 detents (16 PPR) 2.0 Ncm E33-VT610-M01T E33-SN610-M01T
16 detents (8 PPR) 2.5 Ncm E33-VT630-M01T E33-SN630-M01T
IP68
1
(Shaft & front panel)
32 detents (16 PPR) 2.0 Ncm E33-VT612-M01T E33-SN612-M01T
16 detents (8 PPR) 2.5 Ncm E33-VT632-M01T E33-SN632-M01T
No
IP60
32 detents (16 PPR) 2.0 Ncm E33-VT010-M01T E33-SN010-M01T
16 detents (8 PPR) 2.5 Ncm E33-VT030-M01T E33-SN030-M01T
IP68
1
(Shaft & front panel)
32 detents (16 PPR) 2.0 Ncm E33-VT012-M01T E33-SN012-M01T
16 detents (8 PPR) 2.5 Ncm E33-VT032-M01T E33-SN032-M01T
1
Non-threaded bushing: gasket provides IP65.
2
For other types/options, see type key.
3
Nut supplied.
MIL-STD-202G compliant
SWISS CLICK INDEXING SYSTEM™
*Timing diagram shows 32/16 (16/8) detents/PPR resolution
All these types are tray packed and fitted with standard shaft type 01.
B
S
S
C
A
Incremental Encoder Type E33