S7 Ethernet
- Jongeun Hur (Unlicensed)
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Supported Devices and Requirements |
Β | Description | Notes |
Distributor | Siemens | Β |
Device | S7 supported PLCs | Β |
Comm. Module | Ethernet Loader | Β |
Comm. Method | Ethernet | Β |
Protocol | S7 Loader | Β |
Driver Description | SIEMENS S7 Series Ethernet Send Receive | Β |
[Caution] S7 Ethernet Loader uses words in COM blocks while bytes are used in database addresses.
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Communication Setting |
Station
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Station NameΒ Β Sets the stationβs name.
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PLC CPUΒ Β Β Sets the type of the PLC CPU.
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PLC Rack No.Β Β Β Sets the rack number where the CPU is mounted.
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PLC CPU Slot No. Sets the slot number of the rack where the CPU is mounted.
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IP Address #1Β Enter the PLCβs main IP address.
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#1-2Β Enter the substitute IP address of the PLC if their Ethernet module is redundant.
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IP Address #2 Enter the redundant PLC setβs main IP address.
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#2-2Β Enter the substitute IP address of the redundant PLC set.
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Description Enter the description of the station.
COM Block |
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Sets a block of addresses to communicate.
Select the device first (M, Q, I, PI, C, T, DB1~255.DB) and enter the address.
In case of DB device but greater than 256, set the address type as DB_No.No and enter the address as the example below.
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DB greater than 256.
Address type : DB_No.No
Address : DB Block number.Starting Address
Ex) DB_No.NoΒ 700.20Β Β Β Β =>Β Β DB700.DBW20
Address Table |
Device | Address | |||||
Type | Type | Bit | Byte | Word | DWord | Float |
Memory | M | X | B | W | D | D |
Output | Q | X | B | W | D | D |
Input | I | X | B | W | D | D |
Peripheral | PI | X | B | W | D | D |
Count | C | X | B | W | D | D |
Timer | T | X | B | W | D | D |
Data Block | DB | X | B | W | D | D |
Count and Timer only supports writing of BCD16 or UBCD16 data type. The data range is 0 ~ 999.
Bit addresses |
Enter X to the device type.( MX, QX, IX, PIX, CX, TX, DB1~65535.DBX )
Then enter the address.
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[DB]
DB is formatted as DB[DB Number].[DBX][Byte address number].[Bit location].
Bit location ranges from 0 to 7.
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[M]
MX [Byte address] . [Bit location]
Byte addresses |
Enter B to the device type. (MB, QB, IB, PIB, CB, TB, DB1~65535.DBB )
Then enter the address in byte unit.
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[DB]
DB is formatted as DB[DB Number].[DBB][Address].
[M]
MB [Byte address]
Word addresses |
Enter W to the device type. (MW, QW, IW, PIW, CW, TW, DB1~65535.DBW )
Then enter the address in word unit. (Always the multiple of 2)
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[DB]
DB is formatted as DB[DB Number].[DBW][Address].
[M]
MW [Word address]
DWord addresses |
Enter D to the device type. (MD, QD, ID, PID, CD, TD, DB1~65535.DBD )
Then enter the address in word unit but in the multiple of 4.
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[DB]
DB is formatted as DB[DB Number].[DBD][Address].
[M]
MD [Word Address]