Raytech TraceTek TTDM-128 - Identifying TTDM-128 Features

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Identifying TTDM-128 Features
External View [A]
LCD display gives up-to-date information regarding the
condition of the system
Icons and LEDs:
Monitoring LED - green
Service Required LED - Yellow
Leak LED - Red
Fault LED - Red
(Self) Test key
Silence key
Reset key
Menu keys
Internal View [B]
User interface (UI) board
4-20 mA board (optional)
Sensor Interface (SI) board
Motherboard (MB)
Power supply board
Fuse (500 mA, 250 V)
Power cable terminal block
Voltage selector 110/220 volts
Spare fuse
Ground (earth) stud
Gland plate
Fault relay terminals (removable)
Leak relay terminals (removable)
Service relay terminals (removable)
4-20 mA port terminals (removable)
RS-232/485 external communications serial port terminals
(removable)
Sensing cable terminals (removable)
RS-485 TT-SIM network terminals (removable)
Ribbon cable
RS485/232 toggle switch
Test Port (DB-9 connector for temporary connection)
Reset pins
Volume adjustment
LCD contrast adjustment
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TTDM-128
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