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Memory Allocation
I/O
Input
4-1-3 Table of Commands
EEPROM Write/Read Command
Parameter
Set point
Executed bank number
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Address
Data item
Word
Bit
n+6
07 to 01
---
00
Read
complete
n+7
15 to 12
Loop 1
executed
bank
number
11 to 08
Loop 2
executed
bank
number
07 to 02
---
01
SW2-2
00
SW2-1
n+8 Loop 1
15
---
n+9 Loop 2 14
9 L
2
Sensor
error
13
CT
overflow
12 to 09
---
08
STOP
07 to 05
---
04
Control
output
03
AT
02
HB
01
AL1
00
AL2
The command codes shown below are set in bits (n Wd) 07 to 00 when the
SW2-1 (switching memory contents) on the front panel is set for normal memory
allocations.
Com-
Write
mand
0
0
Yes
0
2
Yes
Not used. Each bit is set to 0.
Bit set to 1 when the read operation due to the commands set
with Wd (n) ends normally. The bit is set to 0 when the command
is changed.
Outputs the bank number currently executed for Loop 1 and Loop
2 as 1-digit BCD data. Executed bank numbers are from 1 to 8.
Not used. Each bit is set to 0.
Outputs the ON/OFF status of SW2-2 (setting direction).
0: Data Setting Console
1: CPU Unit
Outputs the ON/OFF status of SW2-1 (switching memory
contents).
0: Fixed
1: Normal
Not used. Set to 0.
Bit set to 1 if the sensor is not connected, a sensor
wire is broken, or the input data exceeds the
operational temperature range.
Bit set to 1 when the detected heater current
exceeds 5.5 A.
Not used. Each bit is set to 0.
Bit set to 0 during temperature control and set to 1
when the control stop is executed.
Not used. Each bit is set to 0.
Bit set to 1 when the control output (transistor or
voltage output) is ON. The bit is always 0 for current
output.
Bit set to 1 during auto-tuning (AT).
Bit set to 1 if the detected heater current drops
below the set heater burnout current value. (HB:
heater burnout)
Bit set to 1 when the temperature enters the set
alarm range (Refer to page 25).
l
(R f
Read
Loop
Bank
no.
no.
Yes
Yes
Yes
SV lower limit to SV upper
limit
Yes
Yes
No
1 to 8
Data contents
25)
Actual data
Write/Read
range
data range
Section 4-1
Loop 1/2
status data
d
Default value
0 C
1
41
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