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Conguration Specic Setup
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Remote repeater RS-485 connection diagram
H56874 4/03 www.tycothermal.com +1 (650) 474-7400 9
TTDM-128
User Manual
Single Channel with Remote Repeater (continued ...)
At the Primary (Slave) TTDM
► Perform Basic TTDM-128 Setup (page 7)
► Assign the leak detection channel tag if required (page 7)
► Make sure that the Host Port Mode Selector Switch on the User Interface
board is set to RS485
► Set the host port parameters as follows (page 8):
▪ Set baud rate to 9600
▪ Set TTDM mode to Slave
At the Remote Repeater (Master) TTDM
► Perform Basic TTDM-128 Setup (page 7). Be sure the settings match those of the Primary
TTDM
► Perform the Host Port Setup as required (page 8). Check that the TTDM mode is set to
Master.
► Change the Communication Timeout parameter:
▪ With the TTDM in the Current Event/Status display, press MENU
▪ Use the DOWN arrow key to select General Setup, then press ENTER
▪ Use the DOWN arrow key to select Password, then press ENTER
▪ Input the value 04000, then press ENTER followed by ESC
▪ Use the DOWN arrow key to select Special, then press ENTER
▪ Use the DOWN arrow key to select Comm Timeout, then press ENTER
▪ Use the arrow keys to input the value 660 ms, then press ENTER
▪ Press MENU to return to the Current Event/Status display
► Initialize the SIM network:
▪ With the TTDM in the Current Event/Status display, press M
ENU
▪ Use the DOWN arrow key to select SIM Network, then press ENTER
▪ Use the DOWN arrow key to select Init Network, then press ENTER
► Change the leak detection channel ID tags (page 7) to match what was set at the Primary
TTDM
SINGLE TTDM-128 WITH NETWORK SYSTEM
► Perform Basic TTDM-128 Setup (page 7)
► Perform the Host Port Setup if required (page 8)
► Assign a unique address to each TTSIM (page 7)
► Change the leak detection channel ID tags for each TTSIM if required (page 7)