Schweitzer Engineering Laboratories, Inc. SEL-2241 Data Sheet
5
Specifications
Compliance
Designed and manufactured under an ISO 9001 certified quality
management system
UL Listed to U.S. and Canadian safety standards (File E220228;
NRAQ, NRAQ7)
CE Mark
General
Operating Temperature Range
–40° to +85°C (–40° to +185°F)
Note: 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
Dimensions
Refer to Section 2: Installation in the SEL-2240 Instruction Manual for
relay dimensions.
Weight (Fully Populated Node)
7.26 kg (16 lb
CPU
Processing and Memory
Processor Speed: 533 MHz
Memory: 1024 MB DDR2 ECC RAM
Storage: 4 GB (2 GB reserved)
Security Features
Account Management:
User Accounts
User Roles
LDAP Central Authentication
RADIUS Central Authentication
Strong Passwords
Inactive Account Logouts
Intrusion Detection: Access/Audit Logs
Alarm LED
Alarm Contact
Encrypted
Communication: SSL/TLS, SSH, HTTPS
Automation Features
Protocols
Client: DNP3 Serial, DNP3 LAN/WAN, Modbus
RTU, Modbus TCP, SEL ASCII, SEL
Fast Messaging, LG 8979, IEEE C37.118,
IEC 61850 MMS, CP2179, IEC 60870-5-
101/104, SNMP, CDC Type II, Courier,
IEC 60870-5-103, EtherNet/IP Explicit
Message Client
Server: DNP3 Serial, DNP3 LAN/WAN, Modbus
RTU, Modbus TCP, SEL Fast Messaging,
LG 8979, SES-92, IEEE C37.118,
IEC 61850 MMS, IEC 60870-5-101/104,
FTP, SFTP, CDC Type II, EtherNet/IP
Implicit Message Adapter
Peer-to-Peer: SEL M
IRRORED BITS Communications,
IEC 61850 GOOSE, Network Global
Variables (NGVL)
Fieldbus: EtherCAT Client (in RTAC), EtherCAT
Server (I/O modules)
Engineering Access
Modes: SEL Interleaved, Direct
Port Server: Map Serial Ports to IP Ports
Secure Web Server: Diagnostic and Communications Data
Time-Code Input (Modulated IRIG-B)
Input Impedance: 2 k
Accuracy: 500 µs
Time-Code Input (Demodulated IRIG-B)
On (1) State: V
ih
> 2.2 V
Off (0) State: V
il
< 0.8 V
Input Impedance: 2 k
Accuracy: 500 ns
Time-Code Output (IRIG-B)
On (1) State: V
oh
> 2.4 V
Off (0) State: V
ol
< 0.8 V
Load: 50
Network Time Protocol (NTP) Modes
NTP Client: As many as three configurable servers
NTP Server
Precise Time Protocol (PTP)
PTP Client: Peer delay request and end-to-end path
delay supported
Communications Ports
Ethernet Ports (To Backplane)
Ports: 1
Data Rate: Automatic
Protocols: Dedicated EtherCAT port
Ethernet Ports (Terminal Side)
Ports: 2
Data Rate: 10 or 100 Mbps
Connector: RJ45 Female or LC Fiber Single-Mode or
Multimode (100 Mbps only)
Fiber-Optic Ports (Class 1 LASER/LED)
Wavelength: 1300 nm
Optical Connector Type: LC
Multimode Option
Link Budget: 11 dB
Min. TX Power: –20 dBm
Min. RX Sensitivity: –31 dBm
Fiber Size: 50–200 µm
Approximate Range: 2 km
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