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3.4.2
Details of the buffer memory
This chapter describes details on the buffer memory of the Q64TCN.
For buffer memory areas indicated with the icon
, the following terms are used, unless otherwise specified.
• Proportional band (P): includes heating proportional band (Ph) and cooling proportional band (Pc)
• Manipulated value (MV): includes manipulated value for heating (MVh) and manipulated value for cooling (MVc)
• Transistor output: includes heating transistor output and cooling transistor output
• Control output cycle: includes heating control output cycle and cooling control output cycle
• Manipulated value (MV): includes manipulated value for heating (MVh) and manipulated value for cooling (MVc)
• Transistor output: includes heating transistor output and cooling transistor output
• Control output cycle: includes heating control output cycle and cooling control output cycle
(1) Write data error code (Un\G0)
An error code or alarm code is stored in this buffer memory area.
For error codes and alarm codes, refer to the following.
For error codes and alarm codes, refer to the following.
(2) CH Decimal point position (Un\G1 to Un\G4)
According to the setting of CH Input range (Un\G32, Un\G64, Un\G96, Un\G128), the decimal point position
applicable in the following buffer memory areas is stored in this buffer memory area.
applicable in the following buffer memory areas is stored in this buffer memory area.
Buffer memory area name
Buffer memory address
Reference
CH1
CH2
CH3
CH4
CH Temperature process value (PV)
Un\G9
Un\G10
Un\G11
Un\G12
CH Set value (SV) setting
Un\G34
Un\G66
Un\G98
Un\G130
CH Alert set value 1
Un\G38
Un\G70
Un\G102
Un\G134
CH Alert set value 2
Un\G39
Un\G71
Un\G103
Un\G135
CH Alert set value 3
Un\G40
Un\G72
Un\G104
Un\G136
CH Alert set value 4
Un\G41
Un\G73
Un\G105
Un\G137
CH AT bias setting
Un\G53
Un\G85
Un\G117
Un\G149
CH Upper limit setting limiter
Un\G55
Un\G87
Un\G119
Un\G151
CH Lower limit setting limiter
Un\G56
Un\G88
Un\G120
Un\G152
CH Loop disconnection detection dead
band
band
Un\G60
Un\G92
Un\G124
Un\G156
CH Sensor two-point correction offset
value (measured value)
value (measured value)
Un\G544
Un\G576
Un\G608
Un\G640
CH Sensor two-point correction offset
value (corrected value)
value (corrected value)
Un\G545
Un\G577
Un\G609
Un\G641
CH Sensor two-point correction gain value
(measured value)
(measured value)
Un\G546
Un\G578
Un\G610
Un\G642
CH Sensor two-point correction gain value
(corrected value)
(corrected value)
Un\G547
Un\G579
Un\G611
Un\G643
CH Simultaneous temperature rise
gradient data
gradient data
Un\G731
Un\G747
Un\G763
Un\G779
Common
Common
Common