diff --git a/README.md b/README.md
index ba8c4ec..c913885 100644
--- a/README.md
+++ b/README.md
@@ -106,6 +106,7 @@ void SetSampleTimeUs(uint32_t NewSampleTimeUs); // Set PID compute sample time,
 void SetProportionalMode(pMode pMode);          // Set pTerm based on error (default), measurement, or both
 void SetDerivativeMode(dMode dMode);            // Set the dTerm, based error or measurement (default).
 void SetAntiWindupMode(iAwMode iAwMode);        // Set iTerm anti-windup to iAwCondition, iAwClamp or iAwOff
+void SetOutputSum(float sum);                   // sets the output summation value
 ```
 
 ### Autotuner
diff --git a/library.json b/library.json
index 3a8ff31..acf6266 100644
--- a/library.json
+++ b/library.json
@@ -1,6 +1,6 @@
 {
   "name": "QuickPID",
-  "version": "3.1.8",
+  "version": "3.1.9",
   "description": "A fast PID controller with multiple options. Various Integral anti-windup, Proportional, Derivative and timer control modes.",
   "keywords": "PID, controller, signal, autotune, tuner, stune",
   "repository":
diff --git a/library.properties b/library.properties
index cb41dbc..f264393 100644
--- a/library.properties
+++ b/library.properties
@@ -1,5 +1,5 @@
 name=QuickPID
-version=3.1.8
+version=3.1.9
 author=David Lloyd
 maintainer=David Lloyd <dlloydev@testcor.ca>
 sentence=A fast PID controller with multiple options. Various Integral anti-windup, Proportional and Derivative control modes.
diff --git a/src/QuickPID.cpp b/src/QuickPID.cpp
index fd1792d..3753611 100644
--- a/src/QuickPID.cpp
+++ b/src/QuickPID.cpp
@@ -1,5 +1,5 @@
 /**********************************************************************************
-   QuickPID Library for Arduino - Version 3.1.8
+   QuickPID Library for Arduino - Version 3.1.9
    by dlloydev https://github.com/Dlloydev/QuickPID
    Based on the Arduino PID_v1 Library. Licensed under the MIT License.
  **********************************************************************************/
@@ -262,6 +262,11 @@ void QuickPID::Reset() {
   dTerm = 0;
 }
 
+// sets the output summation value
+void QuickPID::SetOutputSum(float sum) {
+  outputSum = sum;
+}
+
 /* Status Functions************************************************************
   These functions query the internal state of the PID.
 ******************************************************************************/
diff --git a/src/QuickPID.h b/src/QuickPID.h
index 5f327ac..66352e9 100644
--- a/src/QuickPID.h
+++ b/src/QuickPID.h
@@ -73,6 +73,9 @@ class QuickPID {
     void SetAntiWindupMode(iAwMode iAwMode);
     void SetAntiWindupMode(uint8_t IawMode);
 
+    // sets the output summation value
+    void SetOutputSum(float sum);
+
     void Initialize();        // Ensure a bumpless transfer from manual to automatic mode
     void Reset();             // Clears pTerm, iTerm, dTerm and outputSum values