Property of Schneider Electric
Simply reliable. Simply available.
Zelio Control and Zelio Time
Electronic Relay briefing
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Relays offers overview — Zelio
Electronic relays ERM SSR
Counters
XBKT5
RC87
XBKP5/6
XBKH7
Analog
converters
RMTJ/K/P
RMC
Control
relays
RM84
RM22
RM17
RM35
Timer
relays
RE88857RE88867
RENF
RE48REXL
RE22RE17
ABR
Electromechanical
relays
RXGRSL RSB
RXM
SS
RUM
RPF RPM
Solid state relays
SSM1 SSM3
SSP3SSP1
ABSSSL SSLM
Where to install?Machines, process, HVAC, vending machines, WWW, electrical switchboards, lifts, escalators, genset, etc.
The Zelio Time/Control are used in the majority of automated processes, electrical process,
and building controls. Operators can adjust machine cycles easily.
Targeted applications
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System parameters
Monitor Control
Through
input
Through
output
System
Activate/deactivate
other equipment
or devices
Provide signal to other
equipment to do
necessary actions
Front panel setting:
Set conditions
to trigger output
What is a control relay?
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1P Voltage
Speed
Current
3P voltage
Temperature
Liquid Lev
Frequency
MeaningUpon detecting voltage >270 V
or <200 V, the product’s output
will trigger after a 3-second delay
to de-energize the contactor
What is a control relay?
Voltage De-energize contactor
Front panel condition setting:
Overvoltage threshold = 270 V
Undervoltage threshold = 200 V
Output time delay = a 3-second delay
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Monitor Control
Through
input
Through
output
Example
Zelio RM17
• 1-phase control
• Voltage control
• Current control
• 1C/O or 2C/O output 5 A
Zelio RM35
• 1-phase and 3-phase control
• Voltage control
• Current control
• Frequency/speed/level
• Pump/lift/temperature
• 1C/O or 2C/O, 2N/O output
Zelio RM22 (35 + 2 ref)
• 3-phase control
• Voltage control
• Current control
• Liquid level control
• 1C/O or 2C/O output 8 A
Zelio ControlThe worldwide leading range – offer features
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Voltage range selector
Power supply LED
Relays output status LED
Time delay control
potentiometer Tt
Undervoltage/overvoltage
potentiometer ∆U
Asymmetry potentiometer Asy
Mount directly
on a Din rail
RM17 Electronic control relay
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• Optimized catalog • Dial pointer LED to make
setup easier at dark ambience
• “Diagnostic button” to check
downstream circuit
immediately, shorten the
commission and
troubleshooting time• Surge immunity at Level 3
• IP50 front cover against
dust
• Operating temperature
between -20 ºC and 60 ºC
RM22 Electronic control relay
Easy to select
Robustness
Time saving
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Featured! The One and Only in the market
Power supply LED
Relays output status LED
Overvoltage adjustment
potentiometer >U
Undervoltage adjustment
potentiometer <U
Asymmetry threshold
potentiometer AsyTime delay control
Potentiameter Tt
Detected equipment fault LED
Mount directly
on a Din rail
RM35TF30 Electronic control relay
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Voltage range selector
• Power supply
• Supplies the applied voltage
to the internal system
• Control signal/control contact
• Receives signals from input devices,
and outputs the signals to the timing section
Timing setting:
Clocks the time and outputs
a signal to the output section
at the specified time
• Relay/solid state output to control
other equipment
• Outputs signals to output devices
e.g., set timing function to be A – delay on
energization in delay starting of a fan to avoid
current peak.
There are many timing functions.
You can find all available functions
with their code letters in the
appendix of this document.
What is a timer?
Page 14Property of Schneider Electric |
Zelio RE17/22
• Modular and Din rail mount
• Timing ranges 0.05 s to 300 h
• 1C/O and 2C/O 8A relay outputs or
0.7A solid state relay output
• Multifunction
- A, At, B, C, H, Ht, D, Di, Ac, Bw
- Ad, Ah, N, O, P, Pt, T, Tt, W
- A, At, B, C, H, Ht, D, Di
• Dual function
- A, At/H, Ht/L, Li
• Single function
- A / B / C / H
Zelio RE48
• Panel mount or plug-in
• Timing range 1.2 s to 300 h
• 2C/O 5A relay output
• Multifunction
- A1, A2, H1, H2
- A, B, C, Di
• Dual function
- L, Li
• Single function
- A
• IP64 protective cover from dust
and water spray
Zelio REXL miniature
• Plug-in
• Timing ranges 0.1 s to 100 h
• 2C/O 5A and 4C/O 5A relay output
• Single function A
Zelio TimeThe worldwide leading range – offer features
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All our timers are suitable for: Industrial applications – residential – electrical equipment
Zelio RE17
• Mount directly on Din rail
• Compact design saves space 17 mm
• Single/dual/multifunction
Zelio RE48
• Mount on a front panel or plug in to Din
rail-mounted socket
• Easy to use (big knob for time adjustment)
• Single/dual/multifunction
• IP64 protective cover from dust and water
spray
Zelio REXL miniature
• Plug in to a Din rail mounted socket
• Compact design 21 mm
• Optimum device, single function
dedicated for simple application
Zelio TimeCustomer benefits:
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Clearly labeled terminals
Large legible scales
Potentiometer for
adjustment without tool
Connection and
timing function
diagrams
Lead sealable cover
LED indicator for
power and relay
output timing
Saves space – only 17.5 mm in width
GL
International standards
RE17 Electronic timer relay Simple – great features
Easy to set up
Safer
Easy to install
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Time delay range
Time function selector
• INST: instantaneous, when the arrow is
pointed at INST position
• TIMED: same time delay setting with R1,
when the arrow is pointed at any part of
the scale line R2 is with time delay
Relays output R1 status LED
Relays output R2 status LED
RE22 Electronic timer relay
• Optimized catalog
• Surge immunity at Level 3
• IP50 front cover against dust
• Operating temperature between
-20 ºC and 60 ºC
Easy to select
Robust
• Dial pointer LED to make setup
easier at dark ambience
• “Diagnostic button” to check
downstream circuit immediately,
shorten the commission and
troubleshooting time
Time saving
Featured! The One and Only in the market
Page 19Property of Schneider Electric |
Output R2 time delay selector
Time base selector
• Option 1: 0.2…12
• Option 2: 0.5…30
Time unit selector
• 0.1 s
• 1 sec
• 10 s
• 1 min
• 10 m
• 1 h
• 10 h
Large potentiometer
dial for fine tuning
Power supply LED
Relay output LED
Timing function selector
Direct reading of time
RE48 Electronic timer relay
Easy to set up
Clear indication
Page 20Property of Schneider Electric |
Timing range selector
(at bottom)
Relay output LED
Time-setting dial2C/O and 4C/O relay output
Time Function - A:
Delay on energization
Power supply LED
REXL Electronic timer relay miniature plug-in
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