2.2.6
ཚ႑
(Com)
ST ZSI
ࢅ
GF ZSI
ჽ้ݔྷڇ܀ยዃLj๑ᆩᇑՔጚጎዃ၎ཞ
ڦݔྷࢅၜă
থڟ
ZSI
้Ljฉᆴୟഗॽଣ้ჽຨ้
(I)
ԍࢺጎዃ
ฉڦཌቄۯፕLjڟူᆴጎዃಇأࠤቱă
Mpro N
႙ۉጱྃ੩ഗᅜስದԢ
Modbus
ཚ႑ၹᅱăྺ
ඓԍጎዃኟሏႜLjՂႷྺۉጱྃ੩ഗದԢ
+24 VDC
ྔևۉ
ᇸă
ཚࡗ༬ݴದڦথۅথ
Modbus
Ljথۅ࿋ᇀҾጎሞ
ME09
ୟഗۥևڦՔጚ܋ጱӱฉă
ۉጱྃ੩ഗྜඇޙࢇ
Modbus
ၹᅱăᆶ࠲
Modbus
ၹᅱڦၘ
ဦ႑တLj൩֖ለ
Modbus
ၹᅱࡀݔăኧଇ၍
Modbus
485
ă
૾থዷऐᅜሞ
300
Ă
600
Ă
1200
Ă
2400
Ă
4800
Ă
9600
ई
19200
հ༬୲ཉॲူሏႜă
ᆶ࠲ཚ႑֖ຕࢅस٪ഗڦ߁ຎLj൩֖ለԨ֩ڼ
2.5
বă
TRIP UNIT
ཌቄڇᇮ
֡ፕ
2
.
2
2.2-07
2.2.6 Communica
Ɵ
on (Com)
TBoth the ST ZSI as the GF ZSI Delay Bands are set independently
using the same bands and op
Ɵ
ons as the standard device.
When a ZSI input received an upstream breaker will temporarily
delay it' s tripping on the Instantaneous (I) device un
Ɵ
l the fault
is cleared by the downstream device.
The Mpro N type Trip Unit can op
Ɵ
onally be equipped with the
Modbus communica
Ɵ
on protocol. For this device to func
Ɵ
on
cor24 VDC external power must supply the trip unit.
The connec
Ɵ
on to Modbus are made via speci
Į
cally assigned
connec
Ɵ
on points located on the standard terminal block
ĮƩ
ed
on the top of the ME09 circuit breaker.
The Trip Units are fully compliant with Modbus Protocol. Full
details of the Modbus protocol can be found in the Modbus
Protocol Speci
Į
ca
Ɵ
on.Two wire Modbus 485 are supported.
The link Host may operate at a 300, 600, 1200, 2400, 4800, 9600
or 19200-baud rate. An overview of the communica
Ɵ
on
parameters and register is included in Sec
Ɵ
on 2.5 of this
manual.
Ta ble 2.9
Input
Input Assignment
Summary Description
1
OFF
No action taken.
TRIP
Causes the breaker to trip.
RELT
C a us es unit to us e the
RELTsetpoint a s long a s
input isactive.
Note: RELT must be set to
REMOTE
2
OFF
No action taken.
TRIP
Causes the breaker to trip.
Group
Assignment
Description
ࠀీ߁ᄲ
1
Overcurrent Trip
(LT,ST I or GF)
An Overcurrent trip will
set the relay to ‘ ON’ .
Health status
Relay contact will be
closed or opendepending
on the hea lth c onta c t
setting.
2
Reduced
Instantaneous
Output relay contact
closes when the RELT
pickup is enabled.
Ta ble 2.10
ݴ ದ
० ᄲ ຫ
2
PGGDŽ ਸ Dž
ۯ ፕ ă
USJQDŽ ཌ ቄ Dž
ڞ ዂ ୟ ഗ ཌ ቄ ă
SFMU
๑ ۉ ጱ ྃ ੩ ഗ ሞ ഔ ᆩ
้ ๑ ᆩ !SFMU!ย ዃ ۅ ă
ጀ ǖ SFMU!Ղ Ⴗ ย ዃ ྺ !
SFNPUFDŽ ᇺ ײ Dž ă
3
PGGDŽ ਸ Dž
ۯ ፕ ă
USJQDŽ ཌ ቄ Dž
ڞ ዂ ୟ ഗ ཌ ቄ ă
ፇ ݴ ದ
ຫ
ࠀ ీ ߁ ᄲ
2
ࡗ ۉ ୁ ཌ ቄ DŽ MUĂ
TU!J!ई !HGDž
ॽ ी ۉ ഗ ย ዃ ྺ Đ ഔ
ۯ đ ă
ሏ ႜ ጒ
ी ۉ ഗ ة ۅ ॽ ߵ ኟ
ة ۅ ย ዃ Կ ࢇ ई ਸ ă
3
३ ณ ڦ ຨ ้
ी ۉ ഗ ة ۅ ሞ !SFMU!
๔ ۯ ۉ ୁ ഔ ᆩ ้ Կ ࢇ ă
2 .9
2 .1 0
NF1:ဣଚگუഘୟഗ