diff --git a/grid_common/grid_protocol.h b/grid_common/grid_protocol.h
index 3fc920fa..c75a1481 100644
--- a/grid_common/grid_protocol.h
+++ b/grid_common/grid_protocol.h
@@ -68,13 +68,17 @@
 #define GRID_MODULE_TEK1_RevA 225
 #define GRID_MODULE_TEK2_RevA 17
 
-#define GRID_MODULE_VSN0_RevA 17
 #define GRID_MODULE_VSN1_RevA 49
 #define GRID_MODULE_VSN1R_RevA 81
 #define GRID_MODULE_VSN2_RevA 113
 
 #define GRID_MODULE_PB44_RevA 145
 
+#define GRID_MODULE_VSN0_RevB 25
+#define GRID_MODULE_VSN1_RevB 89
+#define GRID_MODULE_VSN1R_RevB 57
+#define GRID_MODULE_VSN2_RevB 121
+
 #define GRID_PARAMETER_HEARTBEATINTERVAL_us 250000
 #define GRID_PARAMETER_PINGINTERVAL_us 100000