Rockwell Automation 900-TC32 Digital Temperature Controllers, Series B - Manual (Page 21)

Publication 900-UM007C-EN-E - January 2011
Preface P-vii
Communications
Characteristics
Outputs
---
Control output ON/OFF count
alarm
--- MV change rate limiter
Controls
--- 40% AT
---
Automatic cooling coefficient
adjustment for heating/cooling
control
Alarms
--- PV rate of change alarm
---
OC alarm (only for models with
heater burnout detection)
Other ---
Inverting direct/reverse operation
using event inputs or
communications commands
Table P.F — Characteristics
Series A Series B
Table P.G
Series A Series B
Communication
Access Size
Double word access only
Word access and double
word access
Communication
Service
---
Composite Read from
Variable Area and
Composite Write to
Variable Area
Communications
buffer size
40 bytes 217 bytes
Baud rate
38.4 kbits/s max. (900-TC08, 900-TC16)
19.2 kbits/s max. (900-TC32)
57.6 kbits/s max.
External
communications
RS-485/RS-232C external
communications and communications
via 900BuilderLite ™ cannot be used at
the same time.
RS-485/RS-232C external
communications and
communications via
900BuilderLite ™ can be
used at the same time.