Manual 37140A
MFR 11 - Protection Relay
© Woodward
Page 3/80
Revision History
Rev. Date
Editor Changes
NEW 03-03-26 Tr
Release
A
07-07-18 TP
Update to reflect new format, minor corrections, and language revision
INACTIVE – FOR REFERENCE ONLY
The information in this publication is no longer current, and may not reflect changes or safety issues
that have occurred since the publication was originally released.
Refer to the MFR 11 Packages manual 37351 for more recent information about the MFR 11 unit.
Contents
C
HAPTER
1. G
ENERAL
I
NFORMATION
.........................................................................................7
Introduction .............................................................................................................................................7
Measurement Value Logging ..................................................................................................................8
Extent of Functions .................................................................................................................................9
C
HAPTER
2. E
LECTROSTATIC
D
ISCHARGE
A
WARENESS
...........................................................10
C
HAPTER
3. I
NSTALLATION
.....................................................................................................11
Wiring Diagram Optional Models 100 Vac and 400 Vac ......................................................................11
Wiring Diagram Optional Models 690 Vac............................................................................................12
Power Supply (Standard)......................................................................................................................13
Wide Range Power Supply (
Option N
) .................................................................................................13
Measuring Inputs...................................................................................................................................14
Voltage........................................................................................................................................14
Discrete Inputs ......................................................................................................................................16
Outputs..................................................................................................................................................16
Relay Outputs (Standard /
Option R
)..........................................................................................16
Analog Outputs (
Options A1 to A8
) ............................................................................................17
Interface (
Options SU/SB/SF
)...............................................................................................................18
CAN Bus Shielding .....................................................................................................................18
CAN Bus Topology .....................................................................................................................19
DPC - Direct Configuration Interface ..........................................................................................20
C
HAPTER
4. F
UNCTIONAL
D
ESCRIPTION
..................................................................................21
Control Inputs........................................................................................................................................21
Control Outputs .....................................................................................................................................22
Alarms ...................................................................................................................................................23
Alarm Messages .........................................................................................................................23
Alarm Acknowledgement ............................................................................................................23
C
HAPTER
5. D
ISPLAY AND
O
PERATING
E
LEMENTS
...................................................................24
Brief Description of LEDs and Push Buttons ........................................................................................24
LEDs......................................................................................................................................................25
Push Buttons.........................................................................................................................................26
LC Display.............................................................................................................................................27
Display in Automatic Mode (First Line of the Display: Measured Values)..................................27
Display in Automatic Mode (Second Line of the Display: Measured Values) ............................27
Display in Automatic Mode (Second Line of the Display: Alarm Indication)...............................28
