S7 Ethernet
- Jongeun Hur (Unlicensed)
Supported Devices and Requirements |
| Description | Notes |
Distributor | Siemens |
|
Device | S7 supported PLCs |
|
Comm. Module | Ethernet Loader |
|
Comm. Method | Ethernet |
|
Protocol | S7 Loader |
|
Driver Description | SIEMENS S7 Series Ethernet Send Receive |
|
[Caution] S7 Ethernet Loader uses words in COM blocks while bytes are used in database addresses.
Communication Setting |
Station
Station Name Sets the station’s name.
PLC CPU Sets the type of the PLC CPU.
PLC Rack No. Sets the rack number where the CPU is mounted.
PLC CPU Slot No. Sets the slot number of the rack where the CPU is mounted.
IP Address #1 Enter the PLC’s main IP address.
#1-2 Enter the substitute IP address of the PLC if their Ethernet module is redundant.
IP Address #2 Enter the redundant PLC set’s main IP address.
#2-2 Enter the substitute IP address of the redundant PLC set.
Description Enter the description of the station.
COM Block |
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.
DB greater than 256.
Address type : DB_No.No
Address : DB Block number.Starting Address
Ex) DB_No.No 700.20 => 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.
[DB]
DB is formatted as DB[DB Number].[DBX][Byte address number].[Bit location].
Bit location ranges from 0 to 7.
[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.
[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)
[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.
[DB]
DB is formatted as DB[DB Number].[DBD][Address].
[M]
MD [Word Address]