diff --git a/.gitmodules b/.gitmodules
index 9c43a9b..c7052cc 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -385,3 +385,6 @@
 [submodule "support/lcls-twincat-rail"]
 	path = support/lcls-twincat-rail
 	url = https://github.com/pcdshub/lcls-twincat-rail
+[submodule "plcs/lcls-plc-txi-hxr-optics"]
+	path = plcs/lcls-plc-txi-hxr-optics
+	url = https://github.com/pcdshub/lcls-plc-txi-hxr-optics
diff --git a/add_submodules.sh b/add_submodules.sh
index cfb3083..b41724a 100755
--- a/add_submodules.sh
+++ b/add_submodules.sh
@@ -92,6 +92,7 @@ add_submodule lcls-plc-tmo-optics
 add_submodule lcls-plc-tmo-spectrometer-motion
 add_submodule lcls-plc-tmo-vac
 add_submodule lcls-plc-txi-hxr-motion
+add_submodule lcls-plc-txi-hxr-optics
 add_submodule lcls-plc-txi-hxr-vac
 add_submodule lcls-plc-txi-optics
 add_submodule lcls-plc-txi-sxr-mot
diff --git a/plcs/lcls-plc-txi-hxr-optics b/plcs/lcls-plc-txi-hxr-optics
new file mode 160000
index 0000000..cb14d80
--- /dev/null
+++ b/plcs/lcls-plc-txi-hxr-optics
@@ -0,0 +1 @@
+Subproject commit cb14d8054c3ae087653f88a883285efbda4e1ad8