Rockwell Automation 900-TC32 Digital Temperature Controllers, Series B - Manual (Page 254)

Publication 900-UM007D-EN-E - January 2011
5-26 Parameter Functions & Definitions
Communications Writing
Conditions of Use: An RS-232 (900-TC8 only) or RS-485 (900-TC8 and/or
900-TC16 and/or 900-TC32) communication option unit must be mounted in
the controller.
Function: This parameter enables/disables writing of parameters to the
temperature controller from a personal computer using communications.
Note: For 900-TC8 and 900TC16: This parameter is not displayed in the
Adjustment function group if communications write Enable/Disable is
configured for execution using an Event Input Assignment 1 and 2.
Note: 900BuilderLite software can write to the controller regardless of the
Communications Writing status.
ON: Writing enabled
OFF: Writing disabled
Note: The default is OFF
Related Parameters
• MB Command Logic Switching (Advanced function group, page 5-82)
• Communication Unit No., Baud Rate, Data Bit, Parity, Stop Bit
(Communications Setting function group, page 5-110)
Heater Current 1 Value Monitor
(900-TC8, 900-TC16)
Conditions of Use: Heater burnout, heater short, and heater overcurrent
detection must be supported. Alarm 1 must be assigned. The Heater Burnout
ON/OFF or Heater Overcurrent use parameter must be configured to ON.
Function: This parameter measures and displays the current value in amps (A)
of the heater by using a single current transformer (CT) input. The single CT
hardware is also used to detect a heater burnout, heater short, or heater
overcurrent condition.
cmwt
ct1