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8.6
Supervisor Module
The Supervisor Module is designed to identify a fault condition within a subnet (max. 127
nodes) of a twisted pair LONWORKS™ network. Meaning one or more nodes on the
subnet lose the ability to communicate, due to a bad node hardware or a broken wire.
In the latter case, the Supervisor Module automatically restores communication by closing
the relay bus switch and thus reconnecting the both sides of the open circuit. Either fault
condition is indicated by individual fault relays and reported to an optional monitoring
station.
The Supervisor Module contains four relays with SPDT contacts and one dedicated power
loss relay with SPST contact for activation of external alarm devices.
The relays can be operated in either energized or deenergized condition. All relay states
are indicated by LEDs. Network configuration data is customer specific and is programmed
into nonvolatile memory.
Technical Specifications
Power Requirements
voltage
consumption
Network
data transmission
wiring topologies
Wiring
Relay Outputs
contacts
max. ratings
Status Indication
Physical Dimensions
size
weight
Mounting
Housing Protection Class
RFI / EMC
Operating Conditions
temperature
humidity
Part Number
Satellite XT FTT Versions
Reference Information - Section 8
12 ... 24 VDC
max. 1.9 W
Standardized LonTalk™ protocol
78 kBit per second
free, e.g. Bus, Star, Loop, or mixed
4-wire shielded cable 2x2x1.0 mm 2 / 17 AWG
2 x SPDT: Bus Switch
1 x SPDT: Node Failure
1 x SPDT: Broken Wire
1 x SPST: Power Loss
(SPDT = single-pole-double-throw)
(SPST = single-pole-single-throw)
250 VAC / 30 VDC, 8 A
4 red relay state LEDs
1 green status LED
1 yellow service LED
45 x 80 x 105 mm
1.8" x 3.1" x 4.1"
220 g
7.8 oz
DIN rail
IP 20
EN 55022
Switch
EN 61000-6-2
Switch
0 °C ... +40 °C
+32 °F ... +104 °F
Fault
20 ... 90 % r.h.
Node
Fault
9660-0120
Power Requirements:
Relay Ratings:
(W x H x D)
(W x H x D)
Power
Loss
NO
C
NC
C
N+
1
2
3
4
not
NO
C
NC
used
N–
7
8
9
10
not
NO
C
NC
used
Bus
13
14
15
16
NO
C
NC
NO
19
20
21
22
12 ... 24 VDC, max. 2 W
250 VAC / 30 VDC, 8 A
SBS
Power
P+
P–
5
6
P+
P–
11
12
Network
N+
N–
17
18
N+
N–
23
24
8-6
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