Siemens
Siemens S7 -----------------------------------------------------------------------------------------------------------
Model Types (Each Model will be listed under “Protocol”)
|
Member |
Description |
|
S7_1200 |
S7-1200 & S7-1500 families |
|
S7_200 |
S7-200 family |
|
S7_300 |
S7-300 family |
|
S7_400 |
S7-400 family |
Data Type
|
Member |
Description |
|
BCD16 |
16-bit BCD integer. Occupies two contiguous registers on the hardware device. |
|
BCD32 |
32-bit BCD integer. Occupies four contiguous registers on the hardware device. |
|
BCD8 |
8-bit BCD integer. Occupies a single register on the hardware device. |
|
Byte |
8-bit unsigned integer. Occupies a single register on the hardware device. |
|
Int16 |
16-bit signed integer. Occupies two contiguous registers on the hardware device. |
|
Int32 |
32-bit signed integer. Occupies four contiguous registers on the hardware device. |
|
SByte |
8-bit signed integer. Occupies a single register on the hardware device. |
|
Single |
IEEE 32-bit floating point. Occupies four contiguous registers on the hardware device. |
|
String |
ASCII string that can hold up to 254 characters. |
|
Structure |
|
|
UInt16 |
16-bit unsigned integer. Occupies two contiguous registers on the hardware device. |
|
UInt32 |
32-bit unsigned integer. Occupies four contiguous registers on the hardware device. |
Link Type
|
Member |
Description |
|
OP |
Generally used by operator panels, but can be used if no PC connections are available. |
|
PC |
Generally used by applications. Referred to as S7 Standard Communication in Step 7. |
|
PG |
Generally used by programming devices, but can be used if no PC connections are available. |