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Mini-mite Tube Furnace
Communication Option
The factory installed optional RS 485 Digital Communications Port allows controller to be
connected to a PC for remote monitoring and control of the furnace. The equipment with
communication option (COM) is equipped with two DB9 serial ports (1 Male port & 1
Female port). These ports are intended for connection to the PC or a Laptop & making a
communication chain of furnace with communication option (COM) Capability. The
RS 485 communication allows multiple devices (up to 30) to communicate at half-duplex
on a single pair of wires, plus a ground wire.
NOTE The RS 485 pin should match with your DB9 to USB or 232 adapters for the
communication option to work.
Furnace
RS 485 Output
DB9-Pinout
Pin 2
A / D-
Pin 3
B / D+
Pin 5
Ground
Adapters - RS 485 to RS 232/USB
The communication option requires an RS 485 to USB Adapter or RS 485 to RS 232
Adapter to for the furnace to communicate with the PC or Laptop. The RS 485 to USB or
RS 485 to RS 232 adapter with terminal block is recommended for free wire connections.
RS 485 adapter is suggested as pin connections vary with different adapter
manufacturers and may not work properly if they don't match with the above DB9 pinout
of the furnace.
NOTE Please ensure the adapter is compatible with the operating system of your
PC/Laptop. Some adapter needs driver softwares & port access privileges on your
PC/Laptop for proper functioning. Please contact your local IT for assistance.
NOTE Contact Thermo Fisher Scientific for availability for serial cable connections.
Host Computer & Software
The host computer can communicate with furnaces with communication option (COM).
A data logging & control software is required for data logging & control of the furnace
using the RS 485 communication. Thermo Fisher Scientific does not providie any
software - please refer to specialized software suppliers like SpecView or Eurotherm.
These softwares can communicate with either a single Furnace or a network of Furnaces
with the communication option.
Communication Option |
DB-9 Male
Chapter 7
DB-9 Female
304243H02 | 7-46
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