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5. Data written by the RAM write command will disappear when the power is
turned OFF.
6. Data cannot be read using the RAM write command.
7. Refer to
3-4 Parameter Displays and Settings for details of the parameters.
4-2
Data Flow
Refer to
3-2 Data Flow for the data flow in the Temperature Control Unit.
Data Settings
Before setting data with a user program or the Programming Console, turn ON
SW2-2 of the Unit to enable data setting from the CPU Unit. However, the
executed bank number can be set with a user program or from the Programming
Console regardless of the ON/OFF setting of SW2-2.
SW2-1 (switching memory contents) may be set in either the OFF (Fixed) or ON
(Normal) position, but care is required as the setting of this switch changes the
stored data contents.
4-3
Programming
4-3-1 C200HX/HG/HE, C200HS, C200H
Example with SW2-1 with Fixed Memory Allocations
Description and Conditions
Example:
The user program makes the following settings:
Loop 1 SP = 80
°
C
Loop 2 SP = 200
°
C
Loop 1 executed bank number = 1
Loop 2 executed bank number = 3
Conditions: C200H-TC001 (thermocouple)
SW203 set to 2 (K).
Unit number set to 0 (allocated memory: IR100 to IR109).
SW2-1 set OFF (Fixed) and SW2-2 set ON (C200H PC).
Sample Program
MOV (21)
#0080
100
MOV (21)
#0200
101
MOV (21)
#1300
102
END (01)
10700
25315
10701
(C200H)
#1300
1 cycle ON
Fixed
Set #0080 for word 100 (Loop 1 SP).
Set #0200 for word 101 (Loop 2 SP).
Set #1300 for word 102 (executed bank number).
Loop 2 executed bank number
Loop 1 executed bank number
Be sure to set the correct values for the Loop 1 and Loop 2 SP.
The SV value is #0000 (0
°
C) if no data is set. If the executed bank number is set
to a value out of the range from 1 to 8 the bank number reverts to the previous
value (default value = 1).
Reading Monitored Data
Read monitored data into the program using Wd (n+3) to (n+9).
Programming
Section 4-3
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