Quantum Instruments Splitter Boxes manual Derating, General rules to be complied with, ABL 7CEM

Page 64

Output characteristics

Power supplies

Power supplies for d.c. control circuits

Phaseo® regulated switch mode power supplies

Derating

The ambient temperature is a determining factor which limits the power that an electronic power supply can deliver continuously. If the temperature around the electronic components is too high, their life will be significantly reduced. Conversely, a power supply can deliver more than its nominal power if the ambient temperature remains largely below the rated operating temperature.

The rated ambient temperature for Phaseo power supplies is 50 °C (+ 122 °F). Above this, derating is necessary up to a maximum temperature of 60 °C (+ 140 °F).

The graph below shows the power (in relation to the nominal power) which the power supply can deliver continuously, according to the ambient temperature.

P/Pn (%)

 

 

 

 

 

 

 

140

 

 

 

 

 

 

 

120

 

 

 

 

 

 

 

100

 

 

 

 

 

 

 

80

 

 

 

 

 

 

 

 

 

 

 

3

2

 

1

60

 

 

 

 

 

 

 

50

 

 

 

 

 

 

 

40

 

 

 

 

 

 

 

20

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

0

10

20

30

40

50

60

70

Maximum operating temperature (°C)

1 ABL 7RE, ABL 7RP, ABL 7U mounted vertically

2 ABL 7CEM mounted vertically

3 ABL 7CEM mounted horizontally

Derating should be considered in extreme operating conditions:

-intensive operation (output current permanently close to the nominal current, combined with a high ambient temperature),

-output voltage set above 24 V (to compensate for line voltage drops, for example),

-parallel connection to increase the total power.

General rules to be complied with

Intensive operation

See derating on above graph.

 

Example for ABL 7RE:

 

- without derating, from 0 °C to 50 °C (+ 32 to + 122 °F),

 

- derating of nominal current by 2 %, per additional °C, up to 60 °C (+ 140

 

°F).

 

 

Rise in output

The nominal power is fixed.

voltage

Increasing the output voltage means that the current delivered must be

 

reduced

Parallel connection

The total power is equal to the sum of the power supplies used, but the

to increase the

maximum ambient temperature for operation is 50 °C (+ 122 °F).

power (except

To improve heat dissipation, the power supplies must not be in contact

ABL 7CEM)

with each other

 

 

In all cases, there must be adequate convection round the products to ensure easier cooling. There must be a clear space of 50 mm (1.97") above and below Phaseo power supplies and of 15 mm (0.59") at the sides.

Presentation :

References :

Dimensions :

Schemes :

pages 58, 59

page 67

page 68

page 69

 

 

 

 

64

Courtesy of Steven Engineering, Inc. ● 230 Ryan Way, South San Francisco, CA 94080-6370 ● General Inquiries: (800) 670-4183 ● www.stevenengineering.com

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Page 63 Page 65
Contents IP 67 I/O Splitter Boxes Catalog JanuaryPage 0IP 67 I/O Splitter Boxes Type of signal Type of input/output connectorsHousing type Fieldbus typeModular I/O splitter boxes Advantys, FTM splitter boxes IP 67 passive splitter boxes PresentationDescription Environmental characteristics Channel characteristicsConnection characteristics Substitution tableAccessories ReferencesSplitter boxes only, M12 Separate componentsDimensions Connector connectionABE 9C124 pL pp 16 I/O 8 I/O+ 8 diagnostic I/O 16 I 8 I + 8 diagnostic inputs+ 8 I/O 8 I + 8 diagnostic I/O FTB 1DNpppP0 FTB 1DNpppM0 FTB 1DPpppP0 FTB 1DPpppM0 FTB 1IB Selection of signal type per channel FunctionsFTB Pp16E Pp08E08S Pp12E04S Pp16C 1D p08E08C M12Diagnostics Diagnostics per channel Sensor short-circuitActuator short-circuit Actuator warningCANopen and DeviceNet bus extensions CANopen bus presentationDeviceNet bus presentation CANopen bus configuration ConfigurationDeviceNet bus configuration Cabling accessories Cabling systemProfibus-DP bus Profibus-DP presentationAdvantys Distributed I/O, FTB splitter boxes Profibus-DP bus AddressingProfibus-DP bus connection cables InterBus bus extenson InterBus bus presentationInterBus bus extention InterBus bus extension Fieldbus characteristics Input/output characteristics Input characteristicsOutput characteristics Splitter box typeMonobloc splitter boxes for DeviceNet bus Connection accessories For CANopen/DeviceNet busesFor Profibus-DP bus For InterBus busSeparate components For all bus typesFTB 1CNpppP0, FTB 1DNpppP0, FTB 1DPpppP0 FTB 1IBpppP1 4 elongated holeConnector connection Sensor/actuator connectionCANopen and DeviceNet buses Supply to splitter box Bus input/Bus outputLocal bus, bus input Local bus, bus outputMain bus, bus input Main bus, bus outputBus modules FTM Industrial fieldbus type Degree of protection Bus connector typeMaximum number of digital I/O per bus module Connector type ResolutionDiagnostics Per channel Splitter boxes FTM Digital inputs/outputsPrinciple Compact splitter boxes Expandable splitter boxesDigital I/O splitter boxes Analog I/O splitter boxesFTM 1DD FTM 1DE M12 and M8Functions CANopen bus configuration DeviceNet bus configuration PLC FTM 1DP One bus power supply status LED FTM 1CN/1DN FTM 1DP Cabling accessories for bus modules Internal cabling accessoriesBus module characteristics FTM 1CN10 FTM 1DN10 FTM 1DP10Analog input/output splitter box characteristics Digital input/output splitter box characteristicsCharacteristics FTM 1CN10 Bus modules for modular splitter boxesFTM 1AE04C12C For internal bus FTX CBTL12CD-ROM FTX ES00Bus modules FTM 1pp10 Splitter boxesFTM 1DD16C12 FTM 1DE16C12 FTM 1Dp08C12Input/output connection for analog splitter boxes Auxiliary power supplyBus input/Internal bus output of splitter boxes Switch mode power supplies Applications Nominal powerSignalling Other characteristics MountingABL 7REQ ABL 7UEQ ABL 7UES ABL 7UPS Phaseo modular regulated power supplies Modular switch mode power supplies ABL 7RMTechnical characteristics Operating characteristicsInput circuit Output circuitUpstream protection of power supplies SelectionSchemes GB2 CB pp GB2 CD pp GB2 DB pp GB2 CS ppModular regulated switch mode power supplies ABL 7RM Power supply ABL 7RMppppScheme ABL 7RMppppPhaseo regulated switch mode power supplies ABL 7 power suppliesUsing c 24 Operating voltageABL 7UPS and ABL 7UES ABL 7REQSelection of power supplies Selection according to application characteristics ABLABL 7CEM ABL 7RE ABL 7RP Mtbf General rules to be complied with DeratingABL 7CEM Temporary overloads Load limitSeries or parallel connection ABL 7REQ power supplies protection of the power supply line Type of mains supplyABL 7CEM single-phase regulated switch mode power supplies ABL 7RE single-phase regulated switch mode power suppliesABL 7RP single-phase regulated switch mode power supplies ABL 7REQ 2-phase regulated switch mode power supplies7UPS24100 ABL 7UEQ24200 ABL 7UPS24200ABL 7RE2402/2403 ABL 7RE2405 ABL 7RE2410 ABL 7RP2403 ABL 7CEM24ppp ABL 7REQ24ppp ABL 7RP1205/2405/4803ABL 7UEppppp ABL 7UPSppppp and 7UESProduct Reference Index IP 67 I/O Splitter Boxes Page Schneider Electric Head office Schneider Electric

Splitter Boxes specifications

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