# modbus-utils

Internal Modbus TCP polling scripts for Galion Systems client sites.

Reads holding registers from client PLCs, returns tag:value pairs for
upstream logging. See `config/sites.yaml.example` for config format.

## Usage

```python
from galion_modbus.poll import poll_site
from galion_modbus.sites import load_sites

sites = load_sites()
data = poll_site(sites["walnut_creek"])
```