Timers
Multi-function
Type S 1201
• 4 selectable functions: - Delay on operate
- Interval timer
- Symmetrical recycler
(ON- or OFF-time first)
• 20 selectable time ranges: 0.15 s to 220 h
• Automatic start
• Knob-adjustable time within range
• Oscillator-controlled time circuit
• Repeatability deviation:
≤
1%
• Output: 10 A SPDT or 8 A DPDT relay
• Plug-in type module
• S-housing
• LED-indication for relay and power supply on
• AC or DC power supply
Product Description
Multi-function, plug-in time
relays with 20 selectable time
ranges up to 220 h and 4
selectable modes of opera-
tion. Available in various volt-
ages to cover applications
monitored by power supply.
Ordering Key
Housing
Type/function
Output
Power supply
S 1201 156 024
Type Selection
Plug
Circular
Output
SPDT
DPDT
Time range
0.15 s-220 h
0.15 s-220 h
Supply: 24 VAC
S 1201 156 024
S 1201 166 024
Supply: 115 VAC
S 1201 156 115
S 1201 166 115
Supply: 230 VAC
S 1201 156 230
S 1201 166 230
Supply: 24 VDC
S 1201 156 724
S 1201 166 724
Time Specifications
Time ranges
Selectable by DIP-switch
0.15 s - 1.5 s
0.3 s - 3 s
0.6 s - 6 s
1.2 s - 12 s
2.5 s - 25 s
5s
- 50 s
10 s
- 100 s
20 s
- 200 s
40 s
- 400 s
1.3 m - 13 m
2.6 m - 26 m
5m
- 50 m
10 m
- 100 m
20 m
- 200 m
40 m
- 400 m
1.4 h - 14 h
2.8 h - 28 h
5.5 h - 55 h
11 h
- 110 h
22 h
- 220 h
0 to +10% on max.
min. actual time
≤
set time
≤
1%
≤
0.05%/V
≤
0.2%/°C
Power supply interruption min.
200 ms
Supply Specifications
Power supply AC types
Rated operational voltage
through pins 2 & 10
230
115
024
Dropout tolerance
Rated insulation voltage
Rated transient protection volt.
Power supply DC type
Rated operational voltage 724
Rated insulation voltage
Rated transient protection volt.
Consumption
AC supply
DC supply
Installation cat. III (IEC 60664)
230 VAC ± 15%, 45 to 65 Hz
115 VAC ± 15%, 45 to 65 Hz
24 VAC ± 15%, 45 to 65 Hz
≥
40 ms
≥
2.0 kVAC (rms)
(supply/elec.)
4 kV (1.2/50 µs)
(line/neutral)
Installation cat. III (IEC 60664)
24 VDC ± 15% (pin 2 pos.)
None
4 kV (1.2/50 µs)
2.5 VA
1.5 W
Time range accuracy
Repeatability deviation
Time variation
Within rated power supply
and ambient temperature
Reset
Time and/or relay
Specifications are subject to change without notice (07.01.00)
1
S 1201
Output Specifications
S 1201 156
Output
SPDT relay
Basic electrical insulation
250 VAC (rms) (contact/electronics)
Contact ratings
(AgCdO)
µ (micro gap)
Resistive loads
AC 1 10 A/250 VAC (2500 VA)
DC 1 1 A/250 VDC (250 W)
or
10 A/25 VDC (250 W)
Small inductive loads AC 15 2.5 A/230 VAC
DC 13 5 A/24 VDC
Mechanical life
≥
30 x 10
6
operations
Electrical life
AC 1
≥
2.5 x 10
5
operations (at max. load)
Operating frequency
≤
7200 operations/h
Insulation voltages
Rated insulation voltage
≥
2.0 kVAC (rms) (contact/electronics)
Rated transient protection volt. 4 kV (1.2/50 µs) (contact/electronics) (IEC 60664)
S 1201 166
DPDT relay
250 VAC (rms) (contacts/elec., contact/contact)
µ (micro gap)
8 A/250 VAC (2000 VA)
0.4 A/250 VDC (100 W)
4 A/25 VDC (100 W)
2.5 A/230 VAC
5 A/24 VDC
≥
30 x 10
6
operations
≥
2.5 x 10
5
operations (at max. load)
≤
7200 operations/h
≥
2.0 kVAC (rms) (contact/electronics)
4 kV (1.2/50 µs) (contact/electronics) (IEC 60664)
General Specifications
Power ON delay
Power OFF delay
Indication for
Power supply ON
Output ON
Environment
Degree protection
Pollution degree
Operating temperature
Storage temperature
Weight
AC types/DC types
Approvals
CE-marking
≤
200 ms
≥
200 ms
LED, green
LED, red
IP 20 B
2 (IEC 60664)
-20° to +50°C (-4° to +122°F)
-50° to +85°C (-58° to +185°F)
200 g/125 g
UL, CSA
Yes
Wiring Diagram
Power supply
S 1201 156, S 1201 166
Mode of Operation
Delay on operate
The time period starts when
power supply is applied. At the
end of the set time period, the
relay operates and does not
release until power supply is
interrupted for at least 200 ms.
Interval timer
The relay operates and the
time period starts when power
supply is applied. At the end
of the set time period, the relay
releases. Operation starts a-
gain when reapplying power
supply after an interruption of
at least 200 ms.
Symmetrical recycler
ON-time period first
When power supply is applied
the relay operates and the
time period starts. At the end
of the first set time period, the
relay releases. At the end of
the second set time period (of
the same duration as the first),
the relay operates again.
This sequence continues with
equal long ON- and OFF-time
periods until power supply is
interrupted.
Symmetrical recycler
OFF-time period first
The time period starts when
power supply is applied. At the
end of the first set time period,
the relay operates. At the end
of the second set time period
(of the same duration as the
first), the relay releases.
This sequence continues with
equal long OFF- and ON-time
periods until power supply is
interrupted.
Accessories
Sockets◊
Hold down spring◊
Mounting rack
Socket covers
Front mounting bezel
Potentiometer lock
S 411
HF
SM 13
BB 4
FRS2
PL 3
For further information refer to "Accessories".
For other AC/DC voltages refer to "General Information".
2
Specifications are subject to change without notice (07.01.00)
Embedded System
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