From 4e4ca0cd94da37e597939ff397b9bf0828f2edd6 Mon Sep 17 00:00:00 2001
From: Sven Augustin <sven.augustin@psi.ch>
Date: Wed, 7 Jan 2026 17:18:41 +0100
Subject: [PATCH] use setvalue instead of readback for reading the units (it
 seems readback has become very slow to connect)

---
 slic/devices/xoptics/dcm.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/slic/devices/xoptics/dcm.py b/slic/devices/xoptics/dcm.py
index 3e4839d87..2855dd37d 100644
--- a/slic/devices/xoptics/dcm.py
+++ b/slic/devices/xoptics/dcm.py
@@ -39,7 +39,7 @@ class DoubleCrystalMonoEnergy(Adjustable):
         pv_moving   = PV(pvname_moving)
         pv_stop     = PV(pvname_stop)
 
-        units = pv_readback.units
+        units = pv_setvalue.units
         super().__init__(ID, name=name, units=units)
 
         self.pvnames = SimpleNamespace(