Rockwell Automation 900-TC32 Digital Temperature Controllers, Series B - Manual (Page 38)

Publication 900-UM007D-EN-E - January 2011
1-14 Bulletin 900 Input & Output Overview
Basic Keypad Functions
The following describes the basic functions of the front panel keys.
Key Definition Function
Function (Auto/Manual) 900-TC8 Only:
This is a function key. When it is pressed for at least 1 second, the function configured in the PF
Setting parameter will operate. Example: When A-M (auto/manual) is selected in the PF Setting
parameter (initial value: A-M), the key operates as an auto/manual switch, switching between
Auto Mode and Manual Mode. If the key is pressed for more than 1 second (regardless of key
release timing), the mode will switch.
Function Group Select Press this key to select the desired function group. The groups are selected in the following order:
Operation function group
←→ Adjustment function group, Initial Setting function group ←→
Communications Setting function group.
Mode Select Press this key to select the various parameters within each function group. The selection of
parameters can be reversed by holding this key down.
Up Each press of this key increments values displayed on the No. 2 (SV) display. Holding down this
key continuously increments values.
Down Each press of this key decrements values displayed on the No. 2 (SV) display. Holding down this
key continuously decrements values.
Key Combination —
Function Group and Mode Select This key combination settings the Bulletin 900 to the Protect function group. For details on the
Protect function group, refer to Chapter 5 , Parameter Functions & Definitions.
Key Combination —
Function Group and Up or
Function Group and Down To restrict changing parameter values and to prevent accidental or incorrect operations, these
keys require simultaneously pressing of the
key along with the or key.
The key applies only to the parameter configured for the Password to Move to Protect
function group . Refer to Chapter 5 for more detailed information on this function group.
PF
A/M
+
+
+
or