Compatible Devices
Siemens S7 CPU fitted with an HMI MPI adapter [g3-s7mpi | Word]
Verified Device
Siemens S7 CPU313 fitted with SSW7-HMI MPI adapter [g3-s7mpi | Word]
Accessible Data
| Prefix | Description | Element Size | Access |
|---|---|---|---|
| DB | Data Blocks | Byte | Read / Write |
| QB | Output Bytes | Byte | Read / Write |
| IB | Input Bytes | Byte | Read / Write |
| MB | Flag Bytes | Byte | Read / Write |
| T | Timer Value | Word | Read / Write |
| C | Counter Value | Word | Read / Write |
Note: Not all data types may be supported on all Red Lion products. Refer to device-specific configuration for availability. [g3-s7mpi | Word]
Communications Settings Note
When using the Helmholz SSW7 MPI adapter:
- Set baud rate to 9600
- Firmware 2.15+ requires Start Command Timeout ≥ 1 second [g3-s7mpi | Word]
Communication Cable
CBLSIE02 – 10’ long (without MPI adapter)
CBLSIE03 – 10’ long (with MPI adapter)
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