M-2001D and M-2001C Comparison
M-2001D and M-2001C Comparison
Learn more about the differences between the M-2001D and M-2001C below.
Communications
M-2001D
RS-485 SCADA
Yes – Optically Isolated
Serial Fiber Optic SCADA
Yes, with Link and Speed indicator LEDs
Wireless HMI Interface
Yes with Optional Bluetooth
Ethernet
Optional 100 Base-T wired Ethernet or 100 Base FX Fiber Optic Ethernet port that permits up to eight simultaneous session connections at up to 100 Mbps throughput
IEC 61850
Yes
M-2001C
RS-485 SCADA
Yes
Serial Fiber Optic SCADA
Yes
Wireless HMI Interface
–
Ethernet
Optional 10 Base-T wired Ethernet with throughput the same as the serial communications ports
IEC 61850
–
Sampling
M-2001D
Samples/Cycle
64 samples/cycle
Type
Full-Wave
A/D Converter Resolution
12 Bit
M-2001C
Samples/Cycle
16 samples/cycle
Type
Half-Wave
A/D Converter Resolution
10 Bit
Measurement Accuracy
M-2001D
Measurement Accuracy
+/- 0.3% from -40C to +85C
M-2001C
Measurement Accuracy
+/- 0.3% from -30C to +65C
Microprocessor
M-2001D
Microprocessor
32 Bit
M-2001C
Microprocessor
16 Bit
Menu Control (HMI)
M-2001D
Menu Control (HMI)
7 Button: Up, Down, Right, Left, Enter, Exit, VR
M-2001C
Menu Control (HMI)
4 Button: Up, Down, Enter, Escape
Front Panel Communications Port
M-2001D
Front Panel Communications Port
USB 1.1 and Smart FLASH SD card slot for the upload and download of setting files, logged data, and power quality event data. It also supports firmware updates.
M-2001C
Front Panel Communications Port
DE-9; BECO 2200 Protocol
Inputs
M-2001D
Source side VT Input
120 VAC Nominal 50/60 Hz
Source side PT Input
Yes
Counter Input
(2) Binary Input
M-2001C
Source side VT Input
–
Source side PT Input
–
Counter Input
(1) Binary Input
Outputs
M-2001D
Raise/Lower
Relay Contacts 6A, 120/240 VAC
M-2001C
Raise/Lower
Solid State Triacs 6A, 120/240 VAC
Time Delay
M-2001D
Autodaptive
Yes
M-2001C
Autodaptive
–
Reverse Power Operation
M-2001D
Bias Setting and Modes
3 Bias Settings: 5 Modes
(3) Regulate Reverse
(4) Return to Neutral
(5) Distributed Generation
M-2001C
Bias Setting and Modes
3 Bias Settings: 4 Modes
(3) Regulate Reverse
(4) Return to Neutral
Paralleling
M-2001D
Types
(4) Circulating Current, Delta Var 1/2, Master/Follower (Peer to Peer)
Breaker Status Inputs
3
M-2001C
Types
(3) Circulating Current, Delta Var 1/2
Breaker Status Inputs
0
Power Quality
M-2001D
Harmonics
1 to 31, odds and evens, real-time, V or I, Harmonic Waveforms
Sequence of Event Recording
Up to 132 Events
Oscillography
All monitored waveforms at 16, 32, or 64 samples per cycle
Monitoring
Motor current monitoring with peak and average RMS currents
Alarms
When outside the CBEMA response curve
M-2001C
Harmonics
1 to 31 , odds, V or I
Sequence of Event Recording
–
Oscillography
–
Monitoring
–
Alarms
–
VAr Bias
M-2001D
VAr Bias
Yes – For influencing downstream capacitor controls
M-2001C
VAr Bias
–
Memory
M-2001D
Memory
Store 138 days of logged data taken on 1 minute samples
M-2001C
Memory
Store 6 days of logged data taken on 1 minute samples
Internal Real-Time Clock
M-2001D
Internal Real-Time Clock
Yes with Auto Daylight Savings Update
M-2001C
Internal Real-Time Clock
Yes
Warranty
M-2001D
Warranty
10 Year
M-2001C
Warranty
5 Year