Cycling timers

Cycling timers

Impulse and pause times configurable independent from each other

Clocks from DOLD are important components of traffic light control systems, automatic ovens, et cetera. They have the same function as flasher relays with the difference that the impulse and pause times for time-dependent control systems are different from each other and can thus be set separately.

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Nominal voltage AC

Nominal voltage AC/DC

Nominal voltage DC

Approvals

Enclosure design

Width

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Cyclic timer MK 7854N

• According to IEC/EN 61 812-1
• 8 time ranges from 0.05 s to 300 h selectable via rotational switches
• Impulse and break time separately adjustable
• Selectable start with impulse or break
• Voltage range AC/DC 12 ... 240 V
• Adjustment aid for quick setting of long time values
• Suitable for 2-wire proximity sensor control
• LED indicators for operation, contact position and time delay
• 2 changeover contacts
• Wire connection: also 2 x 1.5 mm2 stranded ferruled, or
2 x 2.5 mm2 solid DIN 46 228-1/-2/-3/-4
• As option 1 changeover contact instantaneously programmable
• As option connection of 2 remote potentiometers
• As option with time interruption / time adding input
• As option with pluggable terminal blocks for easy exchange
of devices
- with screw terminals
- or with cage clamp terminals
• 22.5 mm width

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Cyclic timer IK 7854

• According to IEC/EN 61 812-1
• 8 time ranges from 0.05 s to 300 h selectable via rotational switches
• Impulse and break time separately adjustable
• Selectable start with impulse or break
• Voltage range AC/DC 12 ... 240 V
• Adjustment aid for quick setting of long time values
• Suitable for 2-wire proximity sensor control
• LED indicators for operation, contact position and time delay
• 1 changeover contact
• As option connection of 2 remote potentiometers 10 kΩ
• Devices available in 2 enclosure versions:
IK 7854: depth 59 mm, with terminals at the bottom for installation
systems and industrial distribution systems according to
DIN 43 880
SK 7854: depth 98 mm, with terminals at the top for cabinets with
mounting plate and cable duct
• 17.5 mm width

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Cyclic timer SK 7854

• According to IEC/EN 61 812-1
• 8 time ranges from 0.05 s to 300 h selectable via rotational switches
• Impulse and break time separately adjustable
• Selectable start with impulse or break
• Voltage range AC/DC 12 ... 240 V
• Adjustment aid for quick setting of long time values
• Suitable for 2-wire proximity sensor control
• LED indicators for operation, contact position and time delay
• 1 changeover contact
• As option connection of 2 remote potentiometers 10 kΩ
• Devices available in 2 enclosure versions:
IK 7854: depth 59 mm, with terminals at the bottom for installation
systems and industrial distribution systems according to
DIN 43 880
SK 7854: depth 98 mm, with terminals at the top for cabinets with
mounting plate and cable duct
• 17.5 mm width

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Cyclic timer BC 7937N

• According to IEC/EN 61 812-1
• With 10 time ranges from 0.05 s ... 300 h
• Impulse and break time separately adjustable
• Selectable start with impulse or break
• AC/DC 24 ... 240 V
• Control input for interruption of the time elapse
• LED indication for voltage supply and contact position
• Flashing function during elapse of time
• 1 changeover contact
• Wire connection: also 2 x 1.5 mm2 stranded ferruled (isolated),
DIN 46 228-1/-2/-3/-4 or
2 x 2.5 mm2 stranded ferruled DIN 46 228-1/-2/-3
• Width 22.5 mm

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Cyclic timer BA 7864

• According to IEC/EN 61 812-1
• Time range up to 32 h
• Seperate setting of impulse- and space time
• For impulse- and space time 4 time ranges each
• Repeat accuracy < ± 0.5 %
• Setting on relative scale
• Dual-voltage-version
• Programmable for start with impulse or space
• LED indication for operation and contact position
• BA 7864 available with remote potentiometer contact Z1-Z2, Z3-Z4
• EO 7864 with 11-pole socket
• Available with 1 or 2 changeover contacts,
or semiconductor output (BA 7864)
• BA 7864: width 45 mm
EO 7864: front size 35 x 48 mm

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Cyclic timer, 11-pole socket EO 7864

• According to IEC/EN 61 812-1
• Time range up to 32 h
• Seperate setting of impulse- and space time
• For impulse- and space time 4 time ranges each
• Repeat accuracy < ± 0.5 %
• Setting on relative scale
• Dual-voltage-version
• Programmable for start with impulse or space
• LED indication for operation and contact position
• BA 7864 available with remote potentiometer contact Z1-Z2, Z3-Z4
• EO 7864 with 11-pole socket
• Available with 1 or 2 changeover contacts,
or semiconductor output (BA 7864)
• BA 7864: width 45 mm
EO 7864: front size 35 x 48 mm

More information

Clocks from DOLD with independently configurable impulse and pause times for time-dependent control systems.

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