diff --git a/src/aarecommon/config/beamline.py b/src/aarecommon/config/beamline.py
index 8ca01e8..41f18de 100644
--- a/src/aarecommon/config/beamline.py
+++ b/src/aarecommon/config/beamline.py
@@ -120,6 +120,10 @@ def gui_gonio_camera_id() -> int | None:
 def daq_base_url() -> str | None:
     return cfg_get("gui.daq.daq_url")
 
+def minimum_exp_time_s() -> float | None:
+    if (val := cfg_get("daq.hardware.min_exp_time_s")) is None:
+        return None
+    return float(val)
 
 # Global instance for easy import
 if __name__ == "__main__":