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MMU2-16LE Series
SmartMonitor
®
NEMA TS-2 MMU2 Enhanced
Malfunction Management Unit
Operations Manual
THIS MANUAL CONTAINS TECHNICAL INFORMATION FOR THE MMU2-16LE and
®
MMU2-16LEip SmartMonitor
SERIES MALFUNCTION MANAGEMENT UNIT.
Firmware Version 7.4 (vXX74)
- NOTE -
EDI ECCOM SOFTWARE MUST BE UPDATED TO VERSION 4.1 OR
GREATER FOR COMPATIBILITY WITH THIS FIRMWARE VERSION.
THE ECCOM SOFTWARE IS AVAILABLE AT NO CHARGE AT
WWW.EDITRAFFIC.COM
REVISION: NOVEMBER 2016
pn 888-2116-001
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Table of Contents
Summary of Contents for EDI SmartMonitor MMU2-16LE Series
- Page 1 MMU2-16LEip SmartMonitor SERIES MALFUNCTION MANAGEMENT UNIT. Firmware Version 7.4 (vXX74) - NOTE - EDI ECCOM SOFTWARE MUST BE UPDATED TO VERSION 4.1 OR GREATER FOR COMPATIBILITY WITH THIS FIRMWARE VERSION. THE ECCOM SOFTWARE IS AVAILABLE AT NO CHARGE AT WWW.EDITRAFFIC.COM...
- Page 2 INFORMATION CONTAINED HEREIN IS PROPRIETARY TECHNICAL INFORMATION OF EBERLE DESIGN INC. PUBLICATION, REPRODUCTION OR USE IN WHOLE OR PART IS NOT PERMITTED EXCEPT UNDER TERMS AGREED UPON IN WRITING. © COPYRIGHT 2016 EDI. Canadian Patent No. 2,574,101 U.S. Pat. No. 7,246,037 U.S.
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Page 3: Table Of Contents
Table of Contents Section 1 General ......................1 1.1 Description ......................1 1.1.1 NEMA TS-2 MMU2 (FYA) Configuration ............1 1.2 Advanced Feature Overview ................... 1 1.2.1 Liquid Crystal Status and Field Display ............1 1.2.2 Menu Driven Operation .................. 1 1.2.3 Context Sensitive Help System .............. - Page 4 3.11.6 Flash Rate Detection ................. 28 3.11.7 FYA Yellow Trap Conflict Detection ............28 Section 4 ECcom Interface ..................... 29 4.1 EDI ECcom Monitor Reports ................. 29 General Data ......................29 Current Status (S) ....................29 Previous Fault (PF) Event Log ................29 AC Line (AC) Event Log ..................
- Page 5 Section 6 Installation ...................... 34 6.1 General ......................... 34 6.2 Program Card Programming ................. 34 6.2.1 Permissive Channel Programming ............... 34 6.2.2 Minimum Flash Time Programming .............. 35 6.2.3 Minimum Yellow Change Disable Programming ........... 35 6.2.4 Voltage Monitor Latch Programming ............35 6.3 Enhanced Function Programming .................
- Page 6 Section 8 Specifications ....................45 8.1 Electrical ....................... 45 8.1.1 Power Requirements ................... 45 8.1.2 AC Voltage Monitors ..................45 8.1.3 Power Fail Monitor ..................45 8.1.4 DC Voltage Monitor..................45 8.1.5 Logic Inputs ....................45 8.2 Mechanical ......................45 8.3 Environmental .......................
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Page 7: Section 1 General
® MMU2-16LE Series SmartMonitor Malfunction Management Unit Operations Manual Section 1 General 1.1 DESCRIPTION ® The MMU2-16LE SmartMonitor series Malfunction Management Unit (MMU) is a device used in a Traffic Controller Assembly to accomplish the detection of, and response to, improper and conflicting signals and improper operating voltages in a Controller Assembly caused by malfunctions of the Controller Unit (CU), load switches, ®... -
Page 8: Set-Up Wizard
NEMA standard and enhanced-feature programming is automatically transferred to the replacement unit when the EDI Program Card is inserted. The EDI Program Card is completely compatible with other MMU models compliant with the NEMA TS-2 Standard. -
Page 9: Nema Ts-1 Operation With Sdlc Mode
The MMU2-16LE SmartMonitor stores these signal records for the last five fault events. The EDI ECcom software (Version 3.8.0 or greater is required) is available at no charge from the EDI web site at www.EDItraffic.com. 1.2.7 NEMA TS-1 OPERATION WITH SDLC MODE ®... -
Page 10: Field Signal Terminals
® MMU2-16LE Series SmartMonitor Malfunction Management Unit Operations Manual signal inputs between any two or more channels not assigned to be permissive on the Program Card. The RED ENABLE input, when activated, enables the Red Fail Monitoring functions of the unit causing the monitor to trigger when it detects the absence of voltage on all three (four) of the field signal inputs of a channel. -
Page 11: Ledguard ® Led Field Signal Sensing
® MMU2-16LE Series SmartMonitor Malfunction Management Unit Operations Manual to the unit between the MMU input and AC NEUTRAL (See Sections 5.5.3.9 and 6.2.4 of NEMA Standards Publication TS2-2003 (R2008) v02.06). ® 1.4.1 LEDGUARD LED FIELD SIGNAL SENSING ® The Eberle Design MMU2-16LE SmartMonitor can be configured to use a technique ®... -
Page 12: Force Type 16 Mode
® MMU2-16LE Series SmartMonitor Malfunction Management Unit Operations Manual MMU operation in the following areas (terminology and procedure may vary with different brands of CU): Enable the MMU in the CU Port 1 setup. Add the Ped channels to the CU ring structure with the following assignments: Ped Phase MMU Channel... -
Page 13: Section 2 Standard Functions
® MMU2-16LE Series SmartMonitor Malfunction Management Unit Operations Manual Section 2 Standard Functions 2.1 CONFLICT MONITORING When voltages on any conflicting channels are sensed as active for more than the ® Conflict Fault time (Section 9), the MMU2-16LE SmartMonitor will enter the fault mode, transfer the OUTPUT relay contacts to the Fault position, and display the ®... -
Page 14: Voltage Monitoring
® MMU2-16LE Series SmartMonitor Malfunction Management Unit Operations Manual active signals on the Walk outputs will not cause a Dual Indication when concurrent with active Red or Yellow signals. This function is enabled by the Unit Option called "WALK DISABLE" in the SET / VIEW CONFIG menu. See Section 6.3.4.2. 2.3 VOLTAGE MONITORING 2.3.1 +24VDC SUPPLY MONITORING The +24V MONITOR I and +24V MONITOR II inputs are provided for monitoring two... -
Page 15: Cvm Monitor Latch Input
® MMU2-16LE Series SmartMonitor Malfunction Management Unit Operations Manual ® restored to the input. The MMU2-16LE SmartMonitor will remain in the fault mode for at least the time determined by the Minimum Flash programming. A CVM failure during the programmed Minimum Flash time or during an MMU Power Failure will not cause a fault condition. -
Page 16: Minimum Yellow Clearance Disable
® MMU2-16LE Series SmartMonitor Malfunction Management Unit Operations Manual Minimum Yellow Change Monitoring will be disabled when the RED ENABLE input is not active. 2.5.1.1 MINIMUM YELLOW CLEARANCE DISABLE A set of soldered wire jumpers is provided on the Programming Card to disable Minimum Yellow Change Monitoring on a per channel basis. -
Page 17: Port 1 Communications
® MMU2-16LE Series SmartMonitor Malfunction Management Unit Operations Manual This expanded operating voltage range for cabinet components allows the MMU2-16LE ® SmartMonitor to place the intersection into flash and return to normal operation in an orderly manner when the AC LINE voltage is sufficient for proper operation. The ®... -
Page 18: Port 1 Disable Input
® MMU2-16LE Series SmartMonitor Malfunction Management Unit Operations Manual input. Loss of AC Line after the third Port 1 fault will exit the fault state and reset the Port 1 fail count to 2. A PORT 1 timeout failure during the programmed Minimum Flash time or during an MMU Power Failure will not cause a latched fault condition. -
Page 19: Microprocessor Monitor
® MMU2-16LE Series SmartMonitor Malfunction Management Unit Operations Manual 2.10.2 MICROPROCESSOR MONITOR ® The MMU2-16LE SmartMonitor contains circuitry which monitors the operation of the internal microprocessor. This monitoring circuit receives a logic transition signal from the microprocessor every 5 msec. When this logic transition is not received for 300 ®... -
Page 20: Section 3 Enhanced Features
® MMU2-16LE Series SmartMonitor Malfunction Management Unit Operations Manual Section 3 Enhanced Features The following enhanced features are provided on the Eberle Design MMU2-16LE ® SmartMonitor for additional monitoring functions and to increase the reliability of the ® MMU2-16LE SmartMonitor monitor operation. -
Page 21: Walk Disable Option
® MMU2-16LE Series SmartMonitor Malfunction Management Unit Operations Manual Dual Indication Monitoring may anticipate and prevent a possible conflicting signal display in the intersection in the event that a proceed signal on the current phase hangs up and is constantly detected as active. An open or no load condition (i.e., burned-out bulb) may be also detected as an active signal depending on the output impedance characteristics of the load switch (i.e. -
Page 22: Display Led Test
® MMU2-16LE Series SmartMonitor Malfunction Management Unit Operations Manual ® A continuously activated RESET input will not prevent the MMU2-16LE SmartMonitor from monitoring any fault condition and/or transferring the OUTPUT relay contacts to the fault position. This function prevents the Cabinet Assembly from being operated with the monitor unit disabled due to a faulty RESET button or EXTERNAL RESET input. -
Page 23: Field Check Monitoring
® MMU2-16LE Series SmartMonitor Malfunction Management Unit Operations Manual ® MMU2-16LE SmartMonitor only during power-up initialization or when the unit is reset by the RESET button or EXTERNAL RESET input. The Type Select configuration of ® the MMU2-16LE SmartMonitor can only be modified when the unit is reset by the RESET button or EXTERNAL RESET input. -
Page 24: Diagnostic Wizard
® MMU2-16LE Series SmartMonitor Malfunction Management Unit Operations Manual status and timing a Field Check Fault if the sensed field signal input states do not correspond to the Type 0 message data from the Controller Unit. When a Conflict, Red ®... -
Page 25: Mmu2 Flashing Yellow Arrow (Fya) Protected-Permissive Monitoring
® MMU2-16LE Series SmartMonitor Malfunction Management Unit Operations Manual NEXT EXIT Diagnostic Wizard Screen #2 Diagnostic Wizard Screen #3 In Type 16 mode, the next steps pinpoint known faulty signals. Type 12 operation does not have the benefit of Field Checking (screen #2) unless the Type 12 with SDLC mode ®... -
Page 26: Mmu2 Fya Backward Compatibility
® MMU2-16LE Series SmartMonitor Malfunction Management Unit Operations Manual • Modes E, F, I, and J require the Controller Unit to remap IO to drive a signal from the Pedestrian Yellow load switch output. These modes can be considered when the cabinet facilities do not provide enough load switches. Two MMU2 channels are required for each FYA approach. -
Page 27: Mmu2 Fya Modes A, B, C, D
® MMU2-16LE Series SmartMonitor Malfunction Management Unit Operations Manual 3.11.2.4 MMU2 FYA MODES A, B, C, D Table 3-1 describes four modes that do not require any mapping functionality. The cabinet must provide two load switches per FYA approach. Modes A and B assign the protected turn phases to channels 1, 3, 5, and 7, and the permissive turn overlap phases to either channels 9, 10, 11, 12 or 13, 14, 15, and 16. -
Page 28: Mmu2 Fya Modes E, F
® MMU2-16LE Series SmartMonitor Malfunction Management Unit Operations Manual Table 3-1 FYA Channel Configurations (Remap = No) Ch: 1 Protected Turn Opposing Permissive Turn Green Arrow Signal Mode D Channels Through Channels Driver Source (Ga) Channels (Ra, Ya, fYa) 13 Green 14 Green 15 Green 16 Green... -
Page 29: Mmu2 Fya Configuration Modes (G - L)
® MMU2-16LE Series SmartMonitor Malfunction Management Unit Operations Manual Table 3-2 FYA Channel Configurations (Remap = Yes) Ch: 1 Protected Turn Opposing Permissive Turn Green Arrow Signal Mode Channels Through Channels Driver Source (Ga) Channels (Ra, Ya, fYa) 13 Yellow (Ped) 14 Yellow (Ped) 15 Yellow (Ped) 16 Yellow (Ped) -
Page 30: Opposing Through Channel
® MMU2-16LE Series SmartMonitor Malfunction Management Unit Operations Manual For modes G and H, the flashing Yellow arrow (fYa) indication will be displayed as the Yellow input of the Pedestrian channel of the associated Opposing Through Channel. 3.11.3.3 OPPOSING THROUGH CHANNEL An Opposing Through channel is also associated with the FYA channel pair. -
Page 31: Mmu2 Fya Alternate Modes I, J
® MMU2-16LE Series SmartMonitor Malfunction Management Unit Operations Manual 3.11.3.5 MMU2 FYA ALTERNATE MODES I, J Table 3-4 describes two modes that can be used when the back panel does not provide enough load switches. These modes do require the Controller Unit to provide a mapping functionality. -
Page 32: Configuring The Smartmonitor Fault Parameters For Fya
® MMU2-16LE Series SmartMonitor Malfunction Management Unit Operations Manual Table 3-5 FYA Channel Alternate Configurations (Remap = No) Ch: 1 Protected Turn Opposing Permissive Turn Flashing Yellow Mode Channels Through Channels Arrow Signal Driver (Ra, Ya, Ga) Channels (fYa) Source 9 Green 10 Green 11 Green... -
Page 33: Red Fail
® MMU2-16LE Series SmartMonitor Malfunction Management Unit Operations Manual 3.11.4.1.2 PERMISSIVE YELLOW CHANGE INTERVAL CONFLICT During the Yellow change interval of the Permissive Turn channel (flashing Yellow ® arrow), the MMU2-16LE SmartMonitor will verify that no conflicting channels to the solid Yellow arrow channel (clearance) are active as determined by the Program Card compatibility programming of the Permissive Turn channel (flashing Yellow arrow). -
Page 34: Red And Yellow Input Enable
® MMU2-16LE Series SmartMonitor Malfunction Management Unit Operations Manual H). This allows the CU to sequence from the Permissive Left turn channel directly to the Protected Left Turn channel without a solid Yellow arrow clearance interval. 3.11.5 RED AND YELLOW INPUT ENABLE The Red and Yellow outputs of the sparse channel of an FYA channel pair are typically not loaded with a signal head and thus left floating. -
Page 35: Section 4 Eccom Interface
Operation of the ECcom software package is described in EDI ECcom Software Operations Manual (pn 888-1000-001) and will not be covered in this manual. The EDI ECcom software is available at no charge from the EDI web site at www.EDItraffic.com. -
Page 36: Manual Reset (Mr) Event Log
The optional Ethernet port must be configured with specific network parameters such as an IP address and Subnet Mask. The network port parameters are set or changed using the EDI ECcom Signal Monitor Communications software. See the "EDI ECcom Software Operations Manual" ETHERNET LAN SETTINGS Section 3.2.1.2 for details. -
Page 37: Section 5 Menu Operation
® MMU2-16LE Series SmartMonitor Malfunction Management Unit Operations Manual Section 5 Menu Operation 5.1 MAIN STATUS MENU The menu driven user interface follows the map shown below. At the top level, the NEXT button selects whether Current Status details or the main Menu selections are displayed. -
Page 38: Status
® MMU2-16LE Series SmartMonitor Malfunction Management Unit Operations Manual 5.2.1 STATUS Pressing the SELECT button from the top level provides further details regarding the current state including Field Check status (if applicable), Recurrent Pulse Status (if applicable), Field Voltages, and Cabinet Voltages. 5.2.2 MENU Pressing the NEXT button followed by the SELECT button from the top level provides the main Menu structure for selecting the following functions:... -
Page 39: Clear Logs
Port 1 SDLC communications. The day and date clock will automatically adjust for Daylight Savings time. The week and month that this occurs can be programmed via the ECcom interface (see EDI ECcom Software Operations Manual). -
Page 40: Section 6 Installation
Minimum Flash time, Minimum Yellow Change Disable, +24V Latch Enable, and CVM Latch Enable inputs. The special EDI Program Card provided with the unit also has a small non-volatile memory device that contains all the enhanced configuration programming not defined by the standard NEMA jumpers. -
Page 41: Minimum Flash Time Programming
® MMU2-16LE Series SmartMonitor Malfunction Management Unit Operations Manual the Fault position, and display the PGM CARD AJAR status screen. The MMU2-16LE ® SmartMonitor will remain in the fault mode until the Program Card is correctly seated ® and the MMU2-16LE SmartMonitor is reset by the RESET button or the EXTERNAL RESET input. -
Page 42: Enhanced Function Programming
ECcom software. All Enhanced Function programming values are simultaneously stored in the non-volatile memory on the EDI Program Card (see Section 6.3.4.6). 6.3.1 FIELD CHECK ENABLE PROGRAMMING Menu Path: MENU / SET VIEW CONFIG / FIELD CHECK ENABLE The Field Check monitoring function (See Section 3.9) is enabled on a per input basis... -
Page 43: Red Fail Enable Programming
= 12Vdc to the ON state. See Section 2.3.1.3. The Factory Default setting is OFF. 6.3.4.6 PROGRAM CARD MEMORY ENABLE OPTION The nonvolatile memory interface on the EDI Program Card is ENABLED by setting PGM CARD MEMORY to the ON state. See Section 1.2.4. The Factory Default setting is OFF. -
Page 44: Vm Monitor 3X/Day Latch Option
Menu Path: MENU / SET VIEW CONFIG / MONITOR ID, NAME The monitor ID number and text name can be displayed. These settings are read-only and are set or changed using the EDI ECcom software. 6.3.9 VIEW FIRMWARE VERSION Menu Path: MENU / SET VIEW CONFIG / FIRMWARE VERSION The monitor firmware version can be displayed. -
Page 45: Run The Setup Wizard
® MMU2-16LE Series SmartMonitor Malfunction Management Unit Operations Manual 6.3.10 RUN THE SETUP WIZARD Menu Path: MENU / SET VIEW CONFIG / SET-UP WIZARD Menu Path: MENU / SET-UP WIZARD The monitor Setup Wizard can be run from either of these two menu items. See Section 6.3.14. -
Page 46: Flashing Yellow Arrow Monitor
® MMU2-16LE Series SmartMonitor Malfunction Management Unit Operations Manual 6.3.14 FLASHING YELLOW ARROW MONITOR Menu Path: MENU / SET VIEW CONFIG / FLASHING YEL ARROW 6.3.14.1 FYA MODE SELECTION A configuration mode A thru L should be selected from the menu. For Type 12 operation, only modes A, C, G, and K are provided. -
Page 47: Unused Channels
® MMU2-16LE Series SmartMonitor Malfunction Management Unit Operations Manual For applications using Flashing Yellow Arrow (FYA), the FYA parameters should be configured first before running the Set-up Wizard. 6.4.1 UNUSED CHANNELS ® This step selects the channels of the MMU2-16LE SmartMonitor that are not connected to a load switch, that is, unused. -
Page 48: Review Channel Assignments
® MMU2-16LE Series SmartMonitor Malfunction Management Unit Operations Manual 6.4.4 REVIEW CHANNEL ASSIGNMENTS This step provides a review of all the channels assignments selected in the previous steps. The NEXT button moves the ▼ symbol to the next channel number. All channels should be described as VEHICLE, UNUSED, PED, VEH+PED, or PP-TURN function. -
Page 49: Section 7 Front Panel Description
® MMU2-16LE Series SmartMonitor Malfunction Management Unit Operations Manual Section 7 Front Panel Description 7.1 MAIN STATUS DISPLAY ® The Main Status Display of the MMU2-16LE SmartMonitor is used to display the ® current status of the MMU2-16LE SmartMonitor and navigate the menu levels. When the monitor is not in the fault mode, the Main Status display will show current monitor status. -
Page 50: Front Panel Buttons
® MMU2-16LE Series SmartMonitor Malfunction Management Unit Operations Manual 7.4 FRONT PANEL BUTTONS 7.4.1 RESET BUTTON ® Depressing the RESET button resets the MMU2-16LE SmartMonitor after it has been triggered by a fault. When the RESET button is depressed all front panel indicators will be illuminated for 500 msec and the OUTPUT relay and START DELAY relay energized. -
Page 51: Section 8 Specifications
® MMU2-16LE Series SmartMonitor Malfunction Management Unit Operations Manual Section 8 Specifications 8.1 ELECTRICAL 8.1.1 POWER REQUIREMENTS Operating Line Voltage ................75 to 135 Vrms Operating Line Frequency ................60 + _ 3Hz Power Consumption ................10W (nominal) 8.1.2 AC VOLTAGE MONITORS NEMA Green Signal Inputs No Detect ................. -
Page 52: Environmental
® MMU2-16LE Series SmartMonitor Malfunction Management Unit Operations Manual 8.3 ENVIRONMENTAL Storage Temperature Range ..............-45 to +85 Operating Temperature Range ..............-34 to +74 Main Status LCD Operating Temperature Range ........-20 to +74 Channel Status LCD Operating Temperature Range ....... -34 to +74 Humidity Range (non-condensing) ............ -
Page 53: Section 9 Timing Functions
® MMU2-16LE Series SmartMonitor Malfunction Management Unit Operations Manual Section 9 Timing Functions Conflict No Fault.................. less than 200 msec Fault .................. greater than 450 msec Typical ....................350 msec Red Fail No Fault.................. less than 700 msec Fault .................greater than 1000 msec Typical .................... -
Page 54: Section 10 Wiring Assignments
® MMU2-16LE Series SmartMonitor Malfunction Management Unit Operations Manual Section 10 Wiring Assignments 10.1 TYPE 16 TERMINATIONS 10.1.1 TYPE 16 CONNECTOR MS-A PIN TERMINATIONS Function AC Line Output Relay 1 Open (Stop Time, Closes when fault occurs) Output Relay 2 Closed (FTR Drive, Opens when fault occurs) Channel 12 Green Channel 11 Green... -
Page 55: Type 16 Connector Ms-B Pin Terminations
® MMU2-16LE Series SmartMonitor Malfunction Management Unit Operations Manual Function +24V Monitor Inhibit Output Relay 1 Closed (Stop Time, Opens when fault occurs) Output Relay 2 Open (FTR Drive, Closes when fault occurs) Channel 12 Walk (Type 12 only) Channel 11 Walk (Type 12 only) Channel 9 Walk (Type 12 only) Channel 16 Yellow Channel 15 Yellow... - Page 56 ® MMU2-16LE Series SmartMonitor Malfunction Management Unit Operations Manual Function Output Relay 1 Open (Stop Time, Closes when fault occurs) Output Relay 2 Closed (FTR Drive, Opens when fault occurs) Channel 12 Green Channel 11 Green Channel 10 Green Channel 9 Green Channel 8 Green Channel 7 Green Channel 6 Green...
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Page 57: Type 12 Connector Ms-B Pin Terminations
® MMU2-16LE Series SmartMonitor Malfunction Management Unit Operations Manual Function Channel 6 Walk Channel 4 Walk Spare 2 Type Select 10.2.2 TYPE 12 CONNECTOR MS-B PIN TERMINATIONS Function AC Line Start-Delay Relay Common Start-Delay Relay Open (Closes during Start Delay period) Channel 12 Red Channel 11 Red Channel 9 Red... - Page 58 ® MMU2-16LE Series SmartMonitor Malfunction Management Unit Operations Manual Description Description Description AC Neutral Reset Logic Ground Local Flash Status PORT1 RxC - PORT1 RxC + 24 Volt Inhibit PORT1 RxD - PORT1 RxD + CVM / FM PORT1 TxC - PORT1 TxC + +24 Volt Monitor I PORT1 TxD -...
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Page 59: Programming Card Pin Connections
® MMU2-16LE Series SmartMonitor Malfunction Management Unit Operations Manual 10.5 PROGRAMMING CARD PIN CONNECTIONS 10.5.1 PROGRAMMING CARD P1 CONNECTOR Row A Row B Row C Channel Pair Channel Pair Channel Pair 1-10 1-11 1-12 1-13 1-14 1-15 1-16 2-10 2-11 2-12 2-13 2-14... -
Page 60: Port 1 Connector
® MMU2-16LE Series SmartMonitor Malfunction Management Unit Operations Manual 11-15 11-16 12-13 12-14 12-15 12-16 13-14 13-15 13-16 14-15 14-16 15-16 MYCD-1 MYCD-2 MYCD-3 MYCD-4 MYCD-5 MYCD-6 MYCD-7 MYCD-8 MYCD-9 MYCD-10 MYCD-11 MYCD-12 MYCD-13 MYCD-14 MYCD-15 MYCD-16 Reserved Reserved Reserved Reserved Reserved Reserved... -
Page 61: Eia-232 Connector
Rx DATA GROUND If the monitor DTR Enable option is selected (See EDI ECcom Software Operations Manual) the Data Terminal Ready (DTR) input must be in the high state (>4 Vdc) for the monitor EIA-232 port (DCE device) to be active. DCD, DSR, CTS, and RTS are provided for compatibility with Data Terminal Equipment (DTE device) control signals. -
Page 62: Ethernet Lan Cable
® MMU2-16LE Series SmartMonitor Malfunction Management Unit Operations Manual 10.8.1 ETHERNET LAN CABLE The LAN cable required is a typical Cat-5 network cable using the 8 pin RJ-45 connector. If the connection is from the monitor to a switch or hub, a standard LAN cable is needed.
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how often is the clock updated
The clock on the EDI SmartMonitor MMU2-16LE Series is updated once per second via Port 1 SDLC communications when operating in Type 16 mode.
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