Sel 787 - Typical Connections; Input;Output Card Wiring; Communication and Time Source Wiring

2
E01 E02 E03 E04 E09 E10 Z01 Z02 Z03 Z04 Z05 Z06 Z07 Z08 Z09 Z10 Z11 Z12
RX
TX
5 4 3 2 1
9 8 7 6
5 4 3 2 1
9 8 7 6
Port 4 DeviceNet
(Optional)
V–
CAN_L
SHIELD
CAN_H
V+
A
C
B
Typical Wiring
Prot.
Alarm
OUT101 OUT102 OUT103
A01 A02 A03 A04 A05 A06 A07 A08 A09 A10 A11 A12 C01 C02 C03 C04
IRIG-B
-/N+/H
IAW1 IBW1 ICW1 IAW2NVCVBVA
TX+
TX–
RX+
RX–
SHIELD
(Optional)
Port 4A EIA-485
IRIG-B Time Source
≤ 1000 m
F
O Cable**
1–12 RTDs
Front
Port 3
86T
Optional Input/Output Cards
+
—
+
—
+
—
+
—
+
—
+
—
+
—
+
—
+
—
+
—
10 RTDs
4 Digital Inputs / 4 Digital Outputs
3 Digital Inputs / 4 Digital Outputs / 1 Analog Output
4 Analog Inputs / 4 Analog Outputs
8 Digital Inputs
4 Digital Inputs / 3 Digital Outputs
(+)
(–)
86T
IN101 IN102
CONTROL INPUTSINPUT POWER
OUTPUT CONTACTS
SEL-787
Transformer Protection Relay
A diagram for a four-wire wye
connection is also available
in the instruction manual.
** 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
Power Supply
110–230 Vac
24–48 Vdc
110–250 Vdc
(Optional
485)
SEL 2812 compatible ST
Fiber-Optic Serial Port
(Optional)
52-1
OUT301
OUT302
OUTPUT CONTACTS
(Optional)
TC
TC
IBW2 ICW2
XFMR
(+) (+)(–) (–)
86T
86T
52-2
a
52-1
a
52-2
Optional Ethernet (single or dual)
Copper Wire
OR
VOLTAGE AND NEUTRAL CURRENT INPUTS
(Optional)
CURRENT INPUTS
Open Delta PT
IN
Multimode Fiber
52-1
a
52-2
a
(–)(+) (+)
SEL-2600 Series
External RTD Module
With ST Option
(Optional)
Typical Connections