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141
Programless Communications
Section 5-1
• Read Settings 2
The value set under Programless Download Setting is read to the down-
load data area in PLC memory. This can be used to initialize settings in the
PLC memory.
• Stop Operation
Operation is stopped after a series of operations has been completed.
■
Monitor Values
If the monitor value has a decimal point, keep the decimal point in mind when
handling the monitor value.
Example: monitor value 03E8H or 1000
→
100.0
The set value in the EJ1 will not change even if the monitor value is changed.
V1.1
Upload Area
Download Area
Value
Setting Change
Response Bits
Operation Command
Response Bits
Address
Value
Address
m+0
m+1
m+2
m+4
n+0
n+1
n+2
n+4
Setting Change
Request Bits
Operation Command
Request Bits
Communications
Status
m+3
n+3
Operation
Command Code
0004
Monitor Value
0004
EJ1
PLC
HFU
TC4/2
Set Value A
Programless
Download
Setting
Set Value A
1. The Read Request Bits are
set by the PLC.
3. The EJ1 sets the Read
Response Bits.
2. The EJ1
refreshes the set
value.
Set Value A
Upload Area
Download Area
Value
Setting Change
Response Bits
Operation Command
Response Bits
Address
Value
Address
m+0
m+1
m+2
m+4
···
n+0
n+1
n+2
n+4
Setting Change
Request Bits
Operation Command
Request Bits
Set value
Communications
Status
m+3
n+3
Operation
Command Code
0000
XXXX
0000
PLC
1. The Read Request Bits
are cleared by the PLC.
2. The EJ1 clears the Read
Response Bits.
Summary of Contents for EJ1 EtherCAT
Page 2: ...EJ1 Modular Temperature Controllers User s Manual Revised July 2008 ...
Page 3: ...iv ...
Page 19: ...xx ...
Page 213: ...188 Detailed Description of Services Section 6 4 ...
Page 227: ...202 Detailed Description of Services Section 7 5 ...
Page 303: ...278 Index ...
Page 305: ......