Kramer Electronics TP-185 - Manual (Page 12)

Connecting and Configuring the TP-185
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6.4 Connecting Multiple TP-185 Units via the RS-485 Bus
You can connect up to 8 TP-185 units via the RS-485 bus with control from a PC or
serial controller.
To connect up to 8 TP-185 units via RS-485 (see Figure 3 ):
1. Connect the RS-485 terminal block of the first TP-185 to the RS-485 terminal
block of the second TP-185, and so on (see Section 6.3
2. Set each TP-185 Machine number to be a unique number (see
), connecting all the
TP-185 units via the RS-485 terminal blocks.
Section 7.1.3
3. On the first and last TP-185 physical devices on the RS-485 bus, set the
RS-485 TERM DIP-switch ON (terminating the RS-485 line at 120
Ω, see
).
Section 7.1.1
4. On all other TP-185 units, ensure that the RS-485 Term DIP-switch is OFF.
).
Figure 3: Connecting Multiple TP-185 Units via RS-485