Iskra MT 511 User Manual page 11

B
ASIC DESCRIPTION AND OPERATION
User's Manual
Type differences
Different types differ on functionality and equipment as shown in the following table.
Differences in hardware
Feature
Internal flash memory
Real time clock (RTC) with battery
Communication interface
RS232 and Ethernet/USB
I/O 1 AN/AL /PO/DI
I/O 2 AN/AL /PO/DI
Automatic voltage / current range
Universal power supply LO / HI
LED indicator: Power/Comm
AN-analogue out, AL-alarm/digital out, PO-pulse out, DI-digital in
Software functions
Functions
MODBUS protocol
Programmable alarms
Alarms recording
Measurements recording
Supported measurements
Basic measurements
Voltage U
1
Current I
1
Active power P
1
Reactive power Q
1
Apparent power S
1
Power factor PF
1
Power angle φ
1
THD of phase voltage U
THD of phase current I
Frequency
Internal temperature
Date & Time
MD
Counter 1
Counter 2
Counter 3
Counter 4
● – serial × − not supported
MT 511
UMT 511
8Mb
●
●/○
○/○/○/○
○/○/○/○
●/●
○/●
●/●
MT 511
UMT 511
●
16
●
●
MT 511
UMT 511
●
●
●
●
●
●
●
●
f1
●
1
●
●
●
●
●
●
●
●
MT 510 MT 516
UMT 510 UMT 516
× ×
× ×
●/○ ●/○
○/○/○/○ ○/○/×/○
○/○/○/○ ○/○/×/○
●/● ●/×
○/● ○/●
●/● ●/●
MT 510 MT 516
UMT 510 UMT 516
● ●
16 16
× ×
× ×
MT 510 MT 516
UMT 510 UMT 516
● ●
● ×
● ×
● ×
● ×
● ×
● ×
● ●
● ×
● ●
● ●
× ×
● ●
● ×
● ×
● ×
● ×
MT 518
UMT 518
×
×
●/○
○/○/×/○
○/○/×/○
×/●
○/●
●/●
MT 518
UMT 518
●
16
×
×
MT 518
UMT 518
×
●
×
×
×
×
×
×
●
●
●
×
●
×
×
×
×
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