38
tions. The red Clear Key is used to clear the display and cancel Program-
ming Console operations. Key functions are described in detail in the next
section.
3-3-1 The Keyboard
Key Function
FUN
Function Key Designates instructions via function codes or designates Programming Console
functions.
NOT
NOT Key Pressed after the Load, AND, or OR Key to designate a normally closed
condition with the LOAD, AND, or OR instructions.
SHIFT
Shift Key Designates the upper function on keys that have two functions. Used with the
CH/* Key, the Bit/Constant Key, or Numeric Keys 0 through 5.
AND
AND Key Inputs an AND instruction.
OR
OR Key Inputs an OR instruction.
LD
Load Key Inputs a LOAD instruction when pressed alone or an OR LOAD or AND LOAD
instruction when pressed after the OR or AND Key.
OUT
Output Key Inputs an OUTPUT instruction when pressed alone or an OUTPUT NOT
instruction if pressed before the NOT key.
TIM
Timer Key Inputs a TIMER instruction.
CNT
Counter Key Inputs a COUNTER instruction.
LR
Link Bit Key Indicates an LR (link) bit.
DR
Data Bit Key Indicates a DR (data) bit.
CH
*
Word/Indirect
Address Key
Indicates an indirect DR address when pressed without the Shift Key and
designates a word address when pressed after the Shift Key.
CONT
#
Bit/Constant Key Indicates a bit or a constant depending on whether the Shift Key is used.
CHG
Change Key Pressed to change the content of a memory address.
DEL
Delete Key Pressed to delete an instruction in combination with the Up Key.
INS
Insert Key Pressed to insert an instruction in combination with the Down Key.
CLR
Clear Key Normally cancels operations and resets the Programming Console.
ENT
Enter Key Inputs instructions, set values, and other data.
Up Key Pressed when reading programs to scroll the program memory address or
pressed to delete instructions (see Delete Key).
Down Key Pressed when reading programs to scroll the program memory address or
pressed to insert instructions (see Insert Key).
MON
Monitor Key Pressed to monitor bit status or word content.
to
to
Numeric keys Input numeric values, addresses, and other data. The Shift key is pressed
before the 0 through 5 Keys to input hexadecimal numerals A through F.
The Programming Console Section 3-3