Specifications

ENVIRONMENTAL
55”-100°F
20% -95% RH (without condensation)
~-
MODEL
DESCRIPTION
POWER REQUIREMENTS
PC11 Reader, Punch & Control 115+10% 60 Hz
PCllA
Reader, Punch &Control 115+-10% 50 Hz
PRll
Reader 81 Control 115-c10°h 50-60 Hz
LINE FREQUENCY CLOCK (TYPE KWll-L)
The KWll=L real timeclock provides a method of measuring time intervals
at line frequency. This clock consists of a frequency source and control logic.
When enabled the clock causes an interrupt every 16.6 or 20 milliseconds,
depending upon Iflie frequency.
Register
Line Time Clock Status Register (LKS)
7 6
- (I
0 0
I
Bit
6 INTR ENB
7 CLOCK
t
LINTR ENB
CLOCK
When set, an interrupt will occur every time CLOCK goes true.
Cleared by program or reset or start sequence.
Set to 1 every 16.6 milliseconds (60 Hz) or 20 milliseconds (50
Hz). Cleared by reading LKS, RESET or pressing ttie START
switch.
PERIPHERAL ADDRESS ASSIGNMENTS
LKS
177546
VECTOR ADDRESS 100
PRIORITY LEVEL BR6
MOUNTING-This option plugs into the KAll processor.
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