diff --git a/slsDetectorServers/eigerDetectorServer/FebControl.c b/slsDetectorServers/eigerDetectorServer/FebControl.c
index 343a4530d..bbeb7d01a 100644
--- a/slsDetectorServers/eigerDetectorServer/FebControl.c
+++ b/slsDetectorServers/eigerDetectorServer/FebControl.c
@@ -998,11 +998,15 @@ int Feb_Control_StartAcquisition() {
 
 int Feb_Control_StopAcquisition() { return Feb_Control_Reset(); }
 
-int Feb_Control_GetExposureStatus(int *rising, int *falling, int *exposure) {
+int Feb_Control_GetExposureStatus(int left, int *rising, int *falling,
+                                  int *exposure) {
+
+    unsigned int addr =
+        (left == 1 ? Feb_Control_leftAddress : Feb_Control_rightAddress);
     unsigned int value = 0;
-    if (!Feb_Interface_ReadRegister(Feb_Control_AddressToAll(), FEB_REG_STATUS,
-                                    &value)) {
-        LOG(logERROR, ("Could not read FEB_REG_STATUS reg\n"));
+    if (!Feb_Interface_ReadRegister(addr, FEB_REG_STATUS, &value)) {
+        LOG(logERROR, ("Could not read %s FEB_REG_STATUS reg\n",
+                       (left == 1 ? "left" : "right")));
         return 0;
     }
     LOG(logINFORED, ("febregstatus:0x%x\n", value));
@@ -1046,58 +1050,75 @@ int Feb_Control_SendSoftwareTrigger() {
 int Feb_Control_SoftwareTrigger(int block) {
     if (Feb_Control_activated) {
 
-        int rising = 0, falling = 0, exposure = 0;
-        if (!Feb_Control_GetExposureStatus(&rising, &falling, &exposure)) {
-            return 0;
+        int rising[2] = {0, 0}, falling[2] = {0, 0}, exposure[2] = {0, 0},
+            prev_toggle[2] = {0, 0};
+        for (int i = 0; i < 1; ++i) {
+            if (!Feb_Control_GetExposureStatus(i, &rising[i], &falling[i],
+                                               &exposure[i])) {
+                return 0;
+            }
+
+            if (exposure[i]) {
+                LOG(logERROR,
+                    ("Software trigger failed. %s FPGA still exposing.\n",
+                     i == 1 ? "left" : "right"));
+                return 0;
+            }
+
+            // remember previous rising toggle
+            prev_toggle[i] = rising[i];
         }
 
-        if (exposure) {
-            LOG(logERROR, ("Software trigger failed. Still exposing.\n"));
-            return 0;
-        }
-
-        // remember previous rising toggle
-        int prev_toggle = rising;
-
+        // send trigger to both fpgas
         Feb_Control_SendSoftwareTrigger();
 
         // will need to wait if delay after trigger introduced
         // usleep(0);
 
-        // get current toggle value
-        if (!Feb_Control_GetExposureStatus(&rising, &falling, &exposure)) {
-            return 0;
-        }
+        for (int i = 0; i < 1; ++i) {
+            // get current toggle value
+            if (!Feb_Control_GetExposureStatus(i, &rising[i], &falling[i],
+                                               &exposure[i])) {
+                return 0;
+            }
 
-        // no toggle error
-        if (rising == prev_toggle) {
-            LOG(logERROR, ("Software trigger failed. No exposure toggle "
-                           "detected.\n"));
-            return 0;
-        }
+            // no toggle error
+            if (rising[i] == prev_toggle[i]) {
+                LOG(logERROR, ("Software trigger failed. No exposure toggle "
+                               "detected on %s fpga.\n",
+                               i == 1 ? "left" : "right"));
+                return 0;
+            }
 
-        // no exposure
-        if (!exposure) {
-            LOG(logERROR, ("Software trigger failed. No exposure detected.\n"));
-            return 0;
+            // no exposure
+            if (!exposure[i]) {
+                LOG(logERROR, ("Software trigger failed. No exposure detected "
+                               "on %s fpga.\n",
+                               i == 1 ? "left" : "right"));
+                return 0;
+            }
         }
 
         // wait for exposure to be done
         if (block) {
-            prev_toggle = falling;
-            while (prev_toggle == falling) {
-                usleep(5000);
-                if (!Feb_Control_GetExposureStatus(&rising, &falling,
-                                                   &exposure)) {
+            for (int i = 0; i < 1; ++i) {
+                prev_toggle[i] = falling[i];
+                while (prev_toggle[i] == falling[i]) {
+                    usleep(5000);
+                    if (!Feb_Control_GetExposureStatus(
+                            i, &rising[i], &falling[i], &exposure[i])) {
+                        return 0;
+                    }
+                }
+                // exposure low
+                if (exposure[i]) {
+                    LOG(logERROR,
+                        ("Software trigger failed. Still exposing after "
+                         "exposure finished toggled in %s fpga.\n",
+                         i == 1 ? "left" : "right"));
                     return 0;
                 }
             }
-            // exposure low
-            if (exposure) {
-                LOG(logERROR, ("Software trigger failed. Still exposing after "
-                               "exposure finished toggled.\n"));
-                return 0;
-            }
         }
     }
     return 1;
diff --git a/slsDetectorServers/eigerDetectorServer/FebControl.h b/slsDetectorServers/eigerDetectorServer/FebControl.h
index 4ec9efd11..d15705008 100644
--- a/slsDetectorServers/eigerDetectorServer/FebControl.h
+++ b/slsDetectorServers/eigerDetectorServer/FebControl.h
@@ -55,7 +55,8 @@ int Feb_Control_PrepareForAcquisition();
 void Feb_Control_PrintAcquisitionSetup();
 int Feb_Control_StartAcquisition();
 int Feb_Control_StopAcquisition();
-int Feb_Control_GetExposureStatus(int *rising, int *falling, int *exposure);
+int Feb_Control_GetExposureStatus(int left, int *rising, int *falling,
+                                  int *exposure);
 int Feb_Control_SendSoftwareTrigger();
 int Feb_Control_SoftwareTrigger(int block);