–12–
M‑3311A Transformer Protection Relay
Output Contacts
Any of the functions can be individually programmed to activate any one or more of the eight programmable
output contacts OUTPUT1 through OUTPUT8. Any output contact can also be selected as pulsed or latched.
IPSlogic can also be used to activate an output contact.
The optional I/O Expansion Module includes an additional 8 programmable output contacts.
The eight output contacts (six form ‘a’ and two form ‘c’), the power supply alarm output contact (form ‘b’), the
self-test alarm output contact (form ‘c’) and the optional 8 I/O Expansion Module output contacts (form 'a') are
all rated per IEEE C37.90/UL (See Tests and Standards section for details).
Breaker Monitoring
The Breaker Monitoring function calculates an estimate of the per-phase wear on the breaker contacts by
measuring and integrating the current (selected as
I
2
t or
I
t) passing through the breaker contacts during the
interruption interval. The per-phase values are summed as an accumulated total for each phase, and then
compared to a user-programmed threshold value. When the threshold is exceeded in any phase, the relay
can activate a programmable output contact. The accumulated value for each phase can be displayed as an
actual value.
IPSlogic
This feature can be programmed utilizing the IPScom
®
Communications Software. IPSlogic takes the contact
input status and function status, and by employing (OR, AND and NOT) boolean logic and a timer can activate
an output or change setting profiles.
Target/Status Indicators and Controls
The
RELAY OK
LED reveals proper cycling of the microcomputer. The
BRKR CLOSED
LED illuminates when
the breaker is closed (when the 52b contact is open). The
OSC TRIG
LED indicates that oscillographic data
has been recorded in the unit's memory. The corresponding
TARGET
LED will illuminate when any of the relay
functions trip. Pressing and releasing the
TARGET RESET
button resets the
TARGET
LEDs if the conditions
causing the operation have been removed. Pressing and holding the
TARGET RESET
button will allow elements
or functions in pickup to be displayed. The
PS1
and
PS2
LEDs remain illuminated as long as power is applied
to the unit and the power supply is operating properly.
TIME SYNCH
LED illuminates when valid IRIG-B signal
is applied and time synchronization has been established.
Communication
Communication ports include rear RS-232 and RS-485 ports, a front RS-232 port and a rear IRIG-B port
(Ethernet port optional). The communications protocol implements serial, byte-oriented, asynchronous
communication, providing the following functions when used with the Windows™-compatible S-3300 IPScom
®
Communications Software.
• Interrogation and modification of setpoints
• Time-stamped trip target information for the 8 most recent events
• Real-time metering of all measured and calculated quantities, real-time monitoring of percentage
differential characteristics, and vector displays of compensated and uncompensated phasors.
• Downloading of recorded oscillographic data
• Downloading of Through-Fault Event Log
• Downloading Sequence of Events
• MODBUS and DNP3.0 protocols are supported
• The optional Ethernet port can be purchased with MODBUS over TCP/IP, BECO2200 over TCP/IP,
DNP 3.0 protocol or with the IEC 61850 protocol
Detailed documentation on the above protocols is available on the Beckwith Electric website, at www.
beckwithelectric.com
Summary of Contents for M?3311A
Page 1: ...Instruction Book M 3311A Transformer Protection Relay ...
Page 30: ... 29 M 3311A Transformer Protection Relay This Page Left Intentionally Blank ...
Page 55: ...M 3311A Instruction Book 1 6 This Page Left Intentionally Blank ...
Page 87: ...M 3311A Instruction Book 2 32 This Page Left Intentionally Blank ...
Page 89: ...M 3311A Instruction Book 3 2 Figure 3 2 IPScom Main Screen ...
Page 107: ...M 3311A Instruction Book 3 20 Figure 3 22 Setup System Dialog Screen 2 3 Winding ...
Page 108: ...IPScom 3 3 21 Figure 3 23 Setup System Dialog Screen 4 Winding ...
Page 112: ...IPScom 3 3 25 Figure 3 29 I O Map Screen 4 Winding ...
Page 114: ...IPScom 3 3 27 Figure 3 31 Display All Setpoints Screen 4 Winding ...
Page 119: ...M 3311A Instruction Book 3 32 Figure 3 38 View Sequence of Events Recorder Screen ...
Page 127: ...M 3311A Instruction Book 3 40 This Page Left Intentionally Blank ...
Page 150: ...4 23 System Setup and Setpoints 4 Figure 4 14 Setup Sequence of Events Recorder Dialog Screen ...
Page 163: ...4 36 M 3311A Instruction Book Figure 4 15 IPScom Relay Setup System Dialog Screen 2 3 Winding ...
Page 166: ...4 39 System Setup and Setpoints 4 Figure 4 18 IPScom Selection Screen for Input Settings ...
Page 179: ...4 52 M 3311A Instruction Book Figure 4 28 Example of V Hz Capability and Protection Curves ...
Page 187: ...4 60 M 3311A Instruction Book Figure 4 33 49 Function Overload Curves ...
Page 229: ...4 102 M 3311A Instruction Book Table 4 5 Transformer Connections ...
Page 231: ...4 104 M 3311A Instruction Book Table 4 7 Custom Transformer and CT Configuration ...
Page 243: ...M 3311A Instruction Book 5 6 Figure 5 5 Mounting Dimensions for GE L 2 Cabinet H3 and H4 ...
Page 383: ...A 50 M 3311A Instruction Book This Page Left Intentionally Blank ...
Page 389: ...M 3311A Instruction Book B 6 This Page Left Intentionally Blank ...
Page 393: ...D 2 M 3311A Instruction Book Figure D 1 Volts Hz 24IT Inverse Curve Family 1 Inverse Square ...
Page 394: ...Inverse Time Curves Appendix D D 3 Figure D 2 Volts Hz 24IT Inverse Family Curve 2 ...
Page 395: ...D 4 M 3311A Instruction Book Figure D 3 Volts Hz 24IT Inverse Time Curve Family 3 ...
Page 396: ...Inverse Time Curves Appendix D D 5 Figure D 4 Volts Hz 24IT Inverse Curve Family 4 ...
Page 399: ...D 8 M 3311A Instruction Book Figure D 5 Definite Time Overcurrent Curve ...
Page 400: ...Inverse Time Curves Appendix D D 9 Figure D 6 Inverse Time Overcurrent Curve ...
Page 401: ...D 10 M 3311A Instruction Book Figure D 7 Very Inverse Time Overcurrent Curve ...
Page 402: ...Inverse Time Curves Appendix D D 11 Figure D 8 Extremely Inverse Time Overcurrent Curve ...
Page 439: ...F 28 M 3311A Instruction Book This Page Left Intentionally Blank ...