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MPA3 V6.3 MOTOR PROTECTION RELAY MANUAL
Issue: R0, Date: 11/2010, CRN: 8168
MPAB010 Rev0
MPA3 V6.2 Motor Protection Relay Manual
Page 28
23
MPA Comms. Address Table
Modbus
Address
Description
Bitmask
0
(EtherNet/IP
only)
Internal status
1
Note:
Bits set
when
tripped.
Trip Status 1
00F7
Bit0 = Motor O/L Trip
Bit1 = Short Cct Trip
Bit2 = Cur. Bal. Trip
Bit3 = N/A
Bit4 = Earth Leak Trip
Bit5 = Residual Cur. Trip
Bit6 = Thermistor Trip
Bit7 = Under Volts Trip
2
Note:
Bits set
when
tripped.
Trip Status 2
001F
Bit0 = MPA Memory Error
Bit1 = RTD Group1 Trip
Bit2 = RTD Group2 Trip
Bit3 = MCF
Bit4 = Insulat.Test Trip
Bit5 = N/A
Bit6 = N/A
Bit7 = N/A
3
Note:
Bits set
when
tripped
.
Alarm Status 1
00CB
Bit0 = High Cur. Alarm
Bit1 = Over Load Alarm
Bit2 = N/A
Bit3 = Under Cur. Alarm
Bit4 = Earth Leakage Alarm
Bit5 = N/A
Bit6 = RTD Group1 Alarm
Bit7 = RTD Group2 Alarm
4
Note:
Bits set
when
tripped.
Alarm Status 2
0001
Bit0 = Insulat.Test Alarm
Bit1 = N/A
Bit2 = N/A
Bit3 = N/A
Bit4 = N/A
Bit5 = N/A
Bit6 = N/A
Bit7 = N/A
5
Note:
Bits set
when
active.
Status
00C7
Bit0 = Testing Insulat.
Bit1 = Insulat. Test Enable
Open
Bit2 = Insulat. Test OK
Bit3 = N/A
Bit4 = N/A
Bit5 = N/A
Bit6 = Motor Stopped
Bit7 = Motor Running
Modbus
Address
Description
Bitmask
DELIBERATELY LEFT
BLANK
6
Note:
Bits set
when
energised
.
Relay Status
000F
Bit0 = Main Trip Relay (MTR)
Bit1 = Alarm Relay (ALM)
Bit2 = Auxiliary Relay (AUX)
Bit3 = Megger Activated
Bit4 = N/A
Bit5 = N/A
Bit6 = N/A
Bit7 = N/A
7
Note:
Bits set
when open
.
Digital Inputs
00FF
Bit0 = Insulat. Test Enable
Bit1 = Insulat. Test Fitted
Bit2 = Lock
Bit3 = Reset
Bit4 = Estart
Bit5 = MCI
Bit6 = Di1
Bit7 = PTC
8
OC Thermal Accum (0..120%) 00FF
9
RESERVED
0000
10
A Phase Current (0..1000%)
03FF
11
RESERVED
0000
12
B Phase Current (0..1000%)
03FF
13
RESERVED
0000
14
C Phase Current (0..1000%)
03FF
15
RESERVED
0000
16
Residual Current (0..1000%)
03FF
17
E/L Current (0..110%)
00FF
18
Avg. Current
(0..250=0..1000%)
00FF
19
Current Balance (0..100%)
00FF
20
Control Byte from modus
write
00FF
address 65
21
Bits clear
when key
pressed.
Keyboard Data
00FF
Bit0 = Up Arrow
Bit1 = Left Arrow
Bit2 = Enter Key
Bit3 = Right Arrow
Bit4 = Down Arrow
Bit5 = Reset Key
Bit6 = Esc Key
Bit7 = Test Key
22
A Phase Voltage (0..120%)
00FF
23
B Phase Voltage (0..120%)
00FF
24
C Phase Voltage (0..120%)
00FF
25
RTD1 Temp (0..210 degC)
00FF
26
RTD2 Temp (0..210 degC)
00FF