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SEL-2243 Data Sheet

Schweitzer Engineering Laboratories, Inc.

2

Mechanical Installation

Each SEL-2242 chassis/backplane has ten slots, labeled

A

 through 

J

. Only slots 

A

B

, and 

C

 support the SEL-2243

Power Coupler module. 

Figure 2

Notch for Module Alignment

To install the power coupler, tip the top of the module
away from the chassis, align the notch on the bottom of
the module (shown in 

Figure 2

) with the slot you have

selected in the chassis, and place the module on the bot-
tom lip of the chassis (

Figure 3

). The module is aligned

properly when it rests entirely on the lip of the chassis.

Figure 3

Proper Module Placement

Next, carefully rotate the module into the chassis, mak-
ing sure that the alignment pin fits into the corresponding
slot at the top of the chassis (refer to 

Figure 4

). Finally,

press the module firmly into the chassis and tighten the
chassis retaining screw.

Figure 4

Final Module Alignment

Connections

Power

DANGER

Contact with this circuitry may cause electrical shock that can result in 
injury or death.

CAUTION

Capacitors should be safely discharged during decommissioning.

The power terminals on the high-voltage power coupler
(1 (+/H) and 2 (–/N)) must connect to 120

/

240 Vac with

the proper polarity or to 125/250 Vdc. The power
terminals on the low-voltage power coupler (1 (+/H) and 2
(–/N)) must connect to 24/48 Vdc. The power terminals
are isolated from the chassis ground. Use 16

14 AWG

(1.5–2.5 mm

2

) wire of sufficient current capacity and

insulation voltage ratings to connect to the power
terminals.

Grounding (Earthing)

Connect the ground terminal labeled 

GND (3)

 on the

power coupler to a rack frame or switchgear ground for
proper safety and performance. Use 14 AWG (2.5 mm

2

)

wire of sufficient current capacity and insulation voltage
ratings that is less than 2 m (6.6 feet) in length for the
ground connection.

EtherCAT Ports

NOTE:

 Always ensure that power couplers are not connected to any 

Ethernet switches or other Ethernet devices, including RJ45-to-fiber-
optic converters. The power coupler EtherCAT ports are only for direct 
connections between power couplers of the same type or to an RTAC 
EtherCAT port. Connecting a power coupler to any other Ethernet device 
can cause the EtherCAT network to stop communicating completely or 
have unpredictable behavior.

Содержание SEL-2243

Страница 1: ...power couplers in a node both modules actively share load and provide the necessary power for node functions If one SEL 2243 becomes unavailable there is zero switching delay or power loss to the node EtherCAT Operation Each SEL 2243 provides two dedicated ports for Ether CAT networks The ports will either be standard 10 100BASE T or optional 100BASE FX Ethernet ports EtherCAT is a real time field...

Страница 2: ...pacitors should be safely discharged during decommissioning The power terminals on the high voltage power coupler 1 H and 2 N must connect to 120 240 Vac with the proper polarity or to 125 250 Vdc The power terminals on the low voltage power coupler 1 H and 2 N must connect to 24 48 Vdc The power terminals are isolated from the chassis ground Use 16 14 AWG 1 5 2 5 mm2 wire of sufficient current ca...

Страница 3: ...te Not applicable to UL applications Operating Environment Pollution Degree 2 Overvoltage Category II Insulation Class 1 Relative Humidity 5 95 noncondensing Maximum Altitude 2000 m EtherCAT Ports Ports 2 Data Rate Automatic Connector RJ45 Female or LC Fiber Protocols Dedicated EtherCAT Fiber Optic Ports Class 1 LASER LED Wavelength 1300 nm Optical Connector Type LC Multimode Option Link Budget 11...

Страница 4: ...rs Damp Heat Cyclic IEC 60068 2 30 2005 25 C to 55 C 6 cycles 95 relative humidity Dielectric Strength and Impulse Tests Impulse IEC 60255 5 2000 Severity Level 0 5 Joule 5 kV IEEE C37 90 2005 Severity Level 0 5 Joule 5 kV Dielectric HiPot IEC 60255 5 2000 Severity Level 3100 Vdc on power supply for 1 minute IEEE C37 90 2005 Severity Level 3100 Vdc on power supply for 1 minute Insulation IEC 60255...

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