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