Hardware Overview - Schweitzer Engineering Laboratories SEL-787-2 Manual

26

Hardware Overview

Power Supply
110–240 Vac
24–48 Vdc
110–250 Vdc
IRIG-B Time Source
1–12 RTDs
≤ 1000 m
SEL-2600 Series
External RTD Module
With ST Option
FO Cable**
(Optional)
** SEL Fiber-Optic Cables
240-1506 — 1 m (3.3 ft) ST/ST
240-1507 — 5 m (16.4 ft) ST/ST
240-1508 — 15 m (49.2 ft) ST/ST
Other lengths available by request
Figure 37 SEL-787-3E Wiring Diagram
SEL-787-2, -3, -4 Data Sheet
A01 A02 A03 A04 A05 A06 A07 A08 A09 A10
+/H -/N
OUT101
INPUT POWER OUTPUT CONTACTS
Front
5 4 3 2 1
Transformer Protection Relay
9 8 7 6
Port 3
5 4 3 2 1
9 8 7 6
(Optional
485)
IRIG-B
Optional Ethernet (single or dual)
OR
RX
SEL 2812 compatible ST
Fiber-Optic Serial Port
(Optional)
TX
V–
CAN_L
SHIELD
CAN_H
V+
TX+
TX–
RX+
RX–
SHIELD
PHASE AND NEUTRAL CURRENTS AND VOLTAGE INPUTS
IAW3 IBW3 ICW3 IN VA VB
E01 E02 E03 E04 E05 E06 E07 E08 E09
A11
OUT103 IN101 IN102
CONTROL INPUTS
SEL-787-3E
Optional Input/Output Cards
+ + + + +
4 Digital Inputs / 4 Digital Outputs
8 Digital Outputs
3 Digital Inputs / 4 Digital Outputs / 1 Analog Output
4 Analog Inputs / 4 Analog Outputs
4 Digital Inputs / 3 Digital Outputs
8 Digital Inputs
CURRENT INPUTS
VC N IAW1 IBW1 ICW1
E10 E11 E12 Z01 Z02 Z03 Z04 Z05
Schweitzer Engineering Laboratories, Inc.
A12 C01 C02 C03 C04
OUT301
OUTPUT CONTACTS
(Optional)
10 RTDs
+ + + + +
IAW2 IBW2 ICW2
Z06 Z07 Z08 Z09 Z10 Z11 Z12