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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 ...................................................................... 1
1.2.3.1 Set-up Wizard ....................................................................................... 2
1.2.3.2 Diagnostic Wizard ................................................................................. 2
1.2.4 Program Card Memory .................................................................................. 2
1.2.4.1 MMU2 Program Card Memory Backward Compatibility ........................ 2
1.2.5 RMS Voltage Reporting ................................................................................. 2
1.2.6 ECcom Software Interface ............................................................................. 2
1.2.7 NEMA TS-1 Operation With SDLC Mode ....................................................... 3
1.2.8 Flashing Yellow Arrow (FYA) Protected-Permissive Movement ...................... 3
1.3 General ................................................................................................................... 3
1.4 Field Signal Terminals ............................................................................................. 4
1.4.1 LEDguard
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LED Field Signal Sensing ............................................................ 5
1.4.2 Type Select Input ........................................................................................... 5
1.4.2.1 Type 12 With SDLC Mode .................................................................... 5
1.4.2.2 Force Type 16 Mode............................................................................. 6
Section 2 Standard Functions .......................................................................................... 7
2.1 Conflict Monitoring .................................................................................................. 7
2.2 Red Fail Monitoring ................................................................................................. 7
2.2.1 Red Enable Input ........................................................................................... 7
2.2.2 Walk Disable Option ...................................................................................... 7
2.3 Voltage Monitoring .................................................................................................. 8
2.3.1 +24Vdc Supply Monitoring ............................................................................. 8
2.3.1.1 +24Vdc Monitor Inhibit Input ................................................................. 8
2.3.1.2 +24Vdc Monitor Latch Input .................................................................. 8
2.3.1.3 +24Vdc Monitor II 12Vdc Mode ............................................................. 8
2.3.2 Controller Voltage / Fault Monitor Input .......................................................... 8
2.3.2.1 CVM Monitor Latch Input ...................................................................... 9
2.3.2.2 CVM Log Disable .................................................................................. 9
2.3.3 VM Monitor 3x/Day Latch ............................................................................... 9
2.4 Local Flash Status Input .......................................................................................... 9
2.5 Minimum Yellow Change / Red Clearance Monitoring ............................................. 9
2.5.1 Minimum Yellow Change Interval ................................................................... 9
2.5.1.1 Minimum Yellow Clearance Disable .................................................... 10
2.5.1.2 Minimum Yellow Plus Red Interval ...................................................... 10
2.5.1.3 Minimum Yellow Plus Red Clearance Disable..................................... 10
2.6 MMU Power Failure Detection ............................................................................... 10
2.7 Port 1 Communications ......................................................................................... 11
2.7.1 Port 1 Timeout ............................................................................................. 11
2.7.2 Port 1 Disable Input ..................................................................................... 12
2.8 Type 129 Response Frame ................................................................................... 12
2.9 Output Relay Recovery ......................................................................................... 12
2.10 Internal Diagnostics ............................................................................................. 12
2.10.1 Memory Diagnostics .................................................................................. 12
2.10.2 Microprocessor Monitor .............................................................................. 13
2.10.3 Internal Hardware Monitor .......................................................................... 13
Section 3 Enhanced Features ......................................................................................... 14
3.1 Hardware Features ............................................................................................... 14
3.2 Dual Indication Monitoring ..................................................................................... 14
3.2.1 Walk Disable Option .................................................................................... 15
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