Rockwell Automation 900 Temperature Controller Communications Functions - Series B - Manual (Page 13)

Publication 900-UM004D-EN-E - July 2010
About Communications Methods 1-5
Communications
parameters The 900-TCx's communications specifications are set/configured in the
Communications Setting function group. These parameters are set on the
900-TCx's front panel.
The table below shows the communications parameters and their ranges.
Note: Highlighted values indicate default settings.
The communications data length for Modbus must be 8 bits.
Table 1.2 Communication Parameters and Ranges
Parameter Displayed
Characters Setting Range Set Value
(
Blue highlighted
characters indicate
defaults)
Communication protocol psel cwf /mod
Communications unit
number u-no 0…99 0, 1 …99
Baud rate bps 1.2 / 2.4 / 4.8 /
9.6 /19.2 / 38.4
/ 57.6 (kbps) 1 .2 / 2.4 / 4.8 /
9.6 /19.2/38.4/57.6 (kbps)
Communications data
length len 7/8(bit) 7 /8 (bit)
Communications stop bit sbit 1/2 1/ 2
Communications parity prty None/even/odd none/ even /odd
Send data wait time sdwt 0…99 0…99 ms, default time:
20 ms