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Siemens LOGO Soft Comfort Online Help Manual

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LOGO!Soft Comfort Online Help
122 Operating Instructions, 11/2017
The following VM addresses are occupied for special purposes:
VM Address
Reserved for
Range
984
Diagnostic Bits Array
1 Byte
985 "Year" of Real Time Clock (RTC) 1 Byte
986
"Month" of RTC
1 Byte
987
"Day" of RTC
1 Byte
988
"Hour" of RTC
1 Byte
989
"Minute" of RTC
1 Byte
990
"Second" of RTC
1 Byte
The LOGO! Base Module can share the following data with S7/Modbus by VM address:
Data Type
Number
Memory Type
Digital input
24
Byte
Digital output
16
Byte
Digital flag
27
Byte
Analog input
8
Word
Analog output
2
Word
Analog flag
16
Word
Value parameter
**
**
Actual value
**
**
The length (Byte, Word, or DWord) indicates the number of bytes in the VM area required by
the parameter.
LOGO! Base Module can also share the time and date information with SIEMENS SIMATIC
S7/Modbus compatible devices and HMI devices using VM addresses from 991 to 1002.
LOGO!Soft Comfort links the block parameters that you specify in the Variable Memory
Configuration dialog with a VM address.
Not all of the VM area is available for configuration. LOGO!Soft Comfort reserves some
bytes of the VM area. You cannot specify more than 64 parameters. If you attempt to specify
more than 64, LOGO!Soft Comfort displays a failed operation message.
After the data transfer from a LOGO! Base Module to LOGO!Soft Comfort, you can view only
analog values within the range of -32768 to 32767 on LOGO!Soft Comfort. If an analog value
exceeds the value range, then only the nearest upper limit (32767) or lower limit (-32768)
can be displayed.
Parameter settings
Function Block
Data type
Read/Write
Parameter settings in
LOGO!Soft Comfort
Parameter settings on a partner
device
On-Delay
Current Time
VW
R
On-Delay VW R/W
Unit: Seconds
Value range: 0 to 9999
Unit: Minutes or Hours
Value range: 0 to 5999
… 122 …


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