User manual

Technical Information
Installation
5
Recommended procedure:
1. Be sure that all the units and controllers are switched off
2. For RS-485 the cabling please refer to following pin out and to
the controller’s manual; the RS-485 cable has to be connected in
this way (note that only 3 wires are needed and not 5):
3. Connect the Profibus cable.
4. Set the address by rotational switches on the Profibus gateway.
5. To avoid some seconds time delay (up to 50 sec) after power-on
due to the “controller address search phase” please follows the
advice here below.
a Configure the TSP controller to operate in RS-485 mode with
a different serial address, only 01-02-03-04 values are
permitted.
b Power on the ProfiBus interface only when the controllers
are ready to receive data on his serial port (internal self-test
passed).
6. Ready to configure your network.
Each TSP connected to the RS-485 sub-network is acknowledged by
the Profibus as an individual “module”. The “TSP Profibus Gateway”
must therefore be configured with a number of modules equivalent to
the TSP connected to it.
TSP Agilent
Controller
Gnd
Gnd
A+
B-
TSP Agilent
Controller
Gnd
A+
B-
A+
B-
TSP ProfiBus Gateway
Figure 3
TSP Profibus Gateway User Manual / 87-900-119-01 (C) 35/58