Caron 6044 - Manual (Page 21)

6024 & 6044 Series Operations Manual Rev F 02/14/12 Page 21 of 56
to 247 controllers (Modbus) or 16 controllers (Standard Bus). Chambers have three
controllers each.
Connect shielded
wires to the RS-485 Communications terminal blocks.
Communications wires should be shielded and routed away from power wires.
Maximum distance of total wire is 2000 feet. When connecting multiple chambers, route
wires in a daisy chain fashion. A termination resistor of 120 ohms may be placed across
RS-485(-) and RS-485(+) of the last chamber in the daisy chain.
For PC’s having an RS-232 serial port (9-pin D-Sub) connection, an RS-485 to RS-232
converter may be used. Recommended sources are B&B Electronics (P/N 4850I9TB)
and CMC-Connecticut Micro Computer (ADA485L).
SFTW301 software is available from CARON to load onto a PC to monitor and record
data. This data storage is not 21CFR Part 11 compliant.