GB
3. Unit description
The RS232/RS422-RS485 interface converter is independent electrical equipment with external
power supply via a 24V AC power supply unit. It can be loosely installed or mounted to clamping
profile bars in distributor boxes. By internal DIP switches and plug bridges different operational
modes can be set. The settings necessary for operating temperature chambers of the BINDER
GmbH have already been pre-set by the BINDER GmbH.
The operating mode for BINDER RS422 chambers according to the original W&T user manual
is "RS422, RS 485, 4-wire-bus-master". The operating mode for BINDER RS485 chambers
according to the original W&T user manual is "RS485, 2-wire
without echo, with automatic
control". For standard settings for BINDER chambers refer to Figure 3.
The connection to a RS232 interface is established using a Zero-Modem cable. The connection
to a temperature chamber of the BINDER GmbH or to a plug distributor for connecting several
temperature chambers is established using a 9-poles Sub-D socket and a special cable. Both
connection cables and the power supply unit are included with the scope of delivery.
The connected temperature chamber(s) are addressed via this COM interface and the address
that can be individually adjusted at each chamber controller.
Figure 1: Connected interface converter
Connection of converter RS232/RS422-RS485 09/2016
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