SEL-487B Data Sheet
Schweitzer Engineering Laboratories, Inc.
28
PTP—Ethernet Port 5A, 5B
Input:
IEEE 1588 PTPv2
Profiles:
Default, C37.238-2011 (Power Profile)
Synchronization
Accuracy:
±100 ns @ 1-second Sync Intervals when
communicating directly with master
clock
IRIG Time Output
Capable of driving 300 ohm termination with <200 ns propagation
delay
The IRIG time output does not support high-accuracy IRIG-B
timekeeping.
Operating Temperature
–40° to +85°C (–40° to +185°F)
Note: LCD contrast impaired for temperatures below –20° and above
+70°C.
Humidity
5% to 95% without condensation
Weight (Maximum)
4U Rack Unit (TiDL only): 6.4 kg (14.1 lb)
7U Rack Unit:
16.8 kg (36.9 lb)
9U Rack Unit:
20.8 kg (45.9 lb)
Terminal Connections
Rear Screw-Terminal Tightening Torque, #8 Ring Lug
Minimum:
1.0 Nm (9 in-lb)
Maximum:
2.0 Nm (18 in-lb)
User terminals and stranded copper wire should have a minimum
temperature rating of 105°C. Ring terminals are recommended.
Wire Sizes and Insulation
Wire sizes for grounding (earthing), current, voltage, and contact
connections are dictated by the terminal blocks and expected load
currents. You can use the following table as a guide in selecting wire
sizes. The grounding conductor should be as short as possible and
sized equal to or greater than any other conductor connected to the
device, unless otherwise required by local or national wiring
regulations.
Type Tests
Note: These tests do not apply to optoisolated control inputs rated for 24 V.
Electromagnetic Compatibility (EMC)
Electromagnetic
Emissions:
IEC 60255-25:2000
Connection Type
Min. Wire Size
Max. Wire Size
Grounding (Earthing)
Connection
14 AWG (2.5 mm
2
)
N/A
Current Connection
16 AWG (1.5 mm
2
)
10 AWG (5.3 mm
2
)
Potential (Voltage)
Connection
18 AWG (0.8 mm
2
)
14 AWG (2.5 mm
2
)
Contact I/O
18 AWG (0.8 mm
2
)
10 AWG (5.3 mm
2
)
Other Connection
18 AWG (0.8 mm
2
)
10 AWG (5.3 mm
2
)
Electromagnetic Compatibility Immunity
Conducted RF Immunity:
IEC 60255-22-6:2001
Severity Level: 10 V rms
IEC 61000-4-6:2008
Severity Level: 10 V rms
Electrostatic Discharge
Immunity:
IEC 60255-22-2:2008
Severity Level: 2, 4, 6, 8 kV contact; 2,
4, 8, 15 kV air
IEC 61000-4-2:2008
Severity Level: 2, 4, 6, 8 kV contact; 2,
4, 8, 15 kV air
IEEE C37.90.3-2001
Severity Level: 2, 4, 8 kV contact; 4, 8,
15 kV air
Fast Transient/Burst
Immunity:
IEC 60255-22-4:2008, Class A
Severity Level: 4 kV, 5 kHz; 2 kV 5 kHz
on communication ports
IEC 61000-4-4:2011
Severity Level: 4 kV, 5 kHz
Magnetic Field Immunity: IEC 61000-4-8:2009
Severity Level: 900 A/m for 3 s,
100 A/m for 1 min.
IEC 61000-4-9:2001
Severity Level: 1000 A/m
Power Supply Immunity:
IEC 60255-11:2008
IEC 61000-4-11:2004
IEC 61000-4-29:2000
Radiated Digital Radio
Telephone RF
Immunity:
ENV 50204:1995
Severity Level: 10 V/m at 900 MHz and
1.89 GHz
Radiated Radio Frequency
Immunity:
IEC 60255-22-3:2007
Severity Level: 10 V/m
IEC 61000-4-3:2010
Severity Level: 10 V/m
IEEE C37.90.2-2004
Severity Level: 35 V/m
Surge Immunity:
IEC 60255-22-5:2008
Severity Level: 1 kV line-to-line, 2 kV
line-to-earth
IEC 61000-4-5:2005
Severity Level: 1 kV line-to-line, 2 kV
line-to-earth
Damped Oscillatory
Magnetic Field:
IEC 61000-4-10:2001
Severity Level: 100 A/m
Surge Withstand
Capability:
IEC 60255-22-1:2007
Severity Level: 2.5 kV peak common
mode,
1.0 kV peak differential mode
IEEE C37.90.1-2002
Severity Level: 2.5 kV oscillatory, 4 kV
fast transient waveform
Environmental
Cold:
IEC 60068-2-1:2007
Severity Level: 16 hours at –40
C
Damp Heat, Cyclic:
IEC 60068-2-30:2005
Severity Level: 25°C to 55
C, 6 cycles,
Relative Humidity: 95%
Dry Heat:
IEC 60068-2-2:2007
Severity Level: 16 hours at +85
C
Vibration:
IEC 60255-21-1:1988
Severity Level: Class 2 (endurance);
Class 2 (response)
IEC 60255-21-2:1988
Severity Level: Class 1 (shock withstand,
bump); Class 2 (shock response)
IEC 60255-21-3:1993
Severity Level: Class 2 (quake response)
Object Penetration
IEC 60529:2001 + CRGD:2003
Protection Class: IP30