User`s manual
67
CHAPTER 3 SPECIFICATIONS
3
3.4 Buffer Memory Assignment
3.4.2 Details of the buffer memory
(a) Lower limit value (coincidence output 1) (Un\G120, Un\G121)
• Use these memories to set the lower limit value of the count range for the count value comparison.
• These buffer memories correspond to Coincidence output 1.
To check the buffer memory addresses corresponding to Coincidence output 2 to 8, refer to the following:
Page 42, Section 3.4.1
(b) Upper limit value (coincidence output 1) (Un\G122, Un\G123)
• Use these memories to set the upper limit value of the count range for the count value comparison.
• These buffer memories correspond to Coincidence output 1.
To check the buffer memory addresses corresponding to Coincidence output 2 to 8, refer to the following:
Page 42, Section 3.4.1
When the upper limit values set to Upper/lower limit values (coincidence output 1 to 8) (Un\G120 to Un\G151)are smaller
than the lower limit values, Upper limit value setting error (coincidence output 1 to 8) (error code: 21n)
*1
will be detected.
*1
indicates the number of channel with the error, and n indicates the number of Coincidence output with the error.
(6) Setting change request (coincidence output 1 to 8) (Un\G180 to Un\G187)
• Use these memories to enable the settings of the following buffer memories.
• The values set to the above buffer memories are enabled by setting Setting change request (coincidence
output 1 to 8) (Un\G180 to Un\G187) to 1
H
: Requested.
Setting change request (coincidence output 1 to 8) (Un\G180 to Un\G187) are automatically reset to 0
H
: Not
requested after the values are enabled.
• The default values are 0
H
: Not requested.
(7) Counter value greater/smaller (coincidence output) (Un\G190)
• This memory stores the results of comparison between the values set to Point setting (coincidence output 1
to 8) (Un\G100 to Un\G115) and count values.
• Use this memory on the condition that the bits corresponding to Coincidence output 1 to 8 in Coincidence
output condition setting (Un\G0) are set to 0: Coincidence output.
• The stored value is cleared to 0 by turning off and on Operating condition settings batch-change command
(Y01).
Buffer memory
Point setting (coincidence output 1 to 8) (Un\G100 to Un\G115)
Upper/lower limit values (coincidence output 1 to 8) (Un\G120 to Un\G151)
b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
Greater SmallerGreater SmallerGreater SmallerGreater SmallerGreater SmallerGreater SmallerGreater Smaller
Counter value
Both Counter value greater and
Counter value smaller store "0".
Counter value greater stores "0" and
Counter value smaller stores "1".
Counter value greater stores "1" and
Counter value smaller stores "0".
Point setting (coincidence output 1 to 8)
= Present value
Point setting (coincidence output 1 to 8)
> Present value
Point setting (coincidence output 1 to 8)
< Present value
:
:
:
Greater Smaller
Coincidence
output 1
Coincidence
output 2
Coincidence
output 3
Coincidence
output 4
Coincidence
output 5
Coincidence
output 6
Coincidence
output 7
Coincidence
output 8










