diff --git a/CMakeLists.txt b/CMakeLists.txt
index e0f675d..2901149 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -54,7 +54,8 @@ find_package(YamlCpp REQUIRED 0.6.3)
 include(FetchContent)
 FetchContent_Declare(jsd
     GIT_REPOSITORY https://github.com/nasa-jpl/jsd.git
-    GIT_TAG v2.3.0
+    #GIT_TAG v2.1.2
+    GIT_TAG davkim-add-el6001
     )
 FetchContent_MakeAvailable(jsd)
 
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index a820cd8..9778906 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -81,6 +81,7 @@ add_library(fastcat STATIC
     jsd/el3104.cc
     jsd/el3202.cc
     jsd/el3318.cc
+    jsd/el6001.cc
     jsd/ild1900.cc
     jsd/jed0101.cc
     jsd/jed0200.cc
diff --git a/src/fcgen/fastcat_types.yaml b/src/fcgen/fastcat_types.yaml
index 493412d..e07c21e 100644
--- a/src/fcgen/fastcat_types.yaml
+++ b/src/fcgen/fastcat_types.yaml
@@ -432,6 +432,17 @@ states:
       - name: adc_value_ch8
         type: int16_t
 
+  - name: el6001
+    fields:
+      - name: statusword
+        type: uint16_t
+      - name: controlword
+        type: uint16_t
+      - name: data_in_bytes[22]
+        type: uint8_t
+      - name: data_out_bytes[22]
+        type: uint8_t
+
   - name: ild1900
     fields:
     - name: distance_m
@@ -652,6 +663,13 @@ commands:
     - name: voltage_output
       type: double
 
+  - name: el6001_write_data
+    fields:
+    - name: data_size
+      type: uint8_t
+    - name: data_out_bytes[22]
+      type: uint8_t    
+
   - name: el4102_write_all_channels
     fields:
     - name: voltage_output_ch1
diff --git a/src/jsd/el6001.cc b/src/jsd/el6001.cc
new file mode 100644
index 0000000..84bb1e2
--- /dev/null
+++ b/src/jsd/el6001.cc
@@ -0,0 +1,147 @@
+// Include related header (for cc files)
+#include "fastcat/jsd/el6001.h"
+
+// Include c then c++ libraries
+#include <string.h>
+
+#include <cmath>
+#include <iostream>
+
+// Include external then project includes
+#include "fastcat/yaml_parser.h"
+
+fastcat::El6001::El6001()
+{
+  MSG_DEBUG("Constructed El6001");
+
+  state_       = std::make_shared<DeviceState>();
+  state_->type = EL6001_STATE;
+}
+
+bool fastcat::El6001::ConfigFromYaml(YAML::Node node)
+{
+  bool retval = ConfigFromYamlCommon(node);
+  jsd_set_slave_config((jsd_t*)context_, slave_id_, jsd_slave_config_);
+  return retval;
+}
+
+bool fastcat::El6001::ConfigFromYamlCommon(YAML::Node node)
+{
+  if (!ParseVal(node, "name", name_)) {
+    return false;
+  }
+
+  if (!ParseVal(node, "baud_rate", baud_rate_)) {
+    return false;    
+  }
+
+  if (!ParseVal(node, "use_first_byte_as_packet_length", use_first_byte_as_packet_length_)) {
+    return false;    
+  }
+
+  if (!ParseVal(node, "use_last_byte_as_checksum", use_last_byte_as_checksum_)) {
+    return false;    
+  }
+
+  state_->name = name_;
+
+  switch(baud_rate_){
+    case 2400:
+      jsd_slave_config_.el6001.baud_rate = JSD_EL6001_BAUD_RATE_2400;
+      break;
+    case 4800:
+      jsd_slave_config_.el6001.baud_rate = JSD_EL6001_BAUD_RATE_4800;
+      break;
+    case 9600:
+      jsd_slave_config_.el6001.baud_rate = JSD_EL6001_BAUD_RATE_9600;
+      break;
+    case 19200:
+      jsd_slave_config_.el6001.baud_rate = JSD_EL6001_BAUD_RATE_19200;
+      break;
+    case 38400:
+      jsd_slave_config_.el6001.baud_rate = JSD_EL6001_BAUD_RATE_38400;
+      break;
+    case 57600:
+      jsd_slave_config_.el6001.baud_rate = JSD_EL6001_BAUD_RATE_57600;
+      break;
+    case 115200:
+      jsd_slave_config_.el6001.baud_rate = JSD_EL6001_BAUD_RATE_115200;
+      break;
+    case 12000:
+      jsd_slave_config_.el6001.baud_rate = JSD_EL6001_BAUD_RATE_12000;
+      break;
+    case 14400:
+      jsd_slave_config_.el6001.baud_rate = JSD_EL6001_BAUD_RATE_14400;
+      break;                                    
+    default:
+      ERROR("No matching baud rate for EL6001 device");
+      return false;
+      break;
+  }
+
+  jsd_slave_config_.el6001.use_first_byte_as_packet_length = use_first_byte_as_packet_length_;
+  jsd_slave_config_.el6001.use_last_byte_as_checksum = use_last_byte_as_checksum_;
+
+  jsd_slave_config_.configuration_active = true;
+  jsd_slave_config_.product_code         = JSD_EL6001_PRODUCT_CODE;
+  snprintf(jsd_slave_config_.name, JSD_NAME_LEN, "%s", name_.c_str()); 
+
+  return true;
+}
+
+bool fastcat::El6001::Read()
+{
+  jsd_el6001_read((jsd_t*)context_, slave_id_);
+
+  const jsd_el6001_state_t* jsd_state =
+      jsd_el6001_get_state((jsd_t*)context_, slave_id_);
+
+  state_->el6001_state.statusword   = jsd_state->statusword;
+  state_->el6001_state.controlword   = jsd_state->controlword_user;
+
+  for(int i=0; i < JSD_EL6001_NUM_DATA_BYTES; i++){
+    state_->el6001_state.data_in_bytes[i] = jsd_state->received_bytes[i];
+    state_->el6001_state.data_out_bytes[i] = jsd_state->transmit_bytes[i];
+  }
+
+  return true;
+}
+
+bool fastcat::El6001::Write(DeviceCmd& cmd)
+{
+
+  // If device supports async SDO requests
+  AsyncSdoRetVal sdoResult = WriteAsyncSdoRequest(cmd);
+  if(sdoResult != SDO_RET_VAL_NOT_APPLICABLE){
+    return (sdoResult == SDO_RET_VAL_SUCCESS);
+  }
+
+  if (cmd.type == EL6001_WRITE_DATA_CMD) {
+    uint8_t data_size = cmd.el6001_write_data_cmd.data_size;
+    if (data_size > JSD_EL6001_NUM_DATA_BYTES) {
+      ERROR("Data size must be in range (0,%u)", JSD_EL6001_NUM_DATA_BYTES);
+      return false;
+    }
+
+    for(int i =0; i < data_size; i++){
+      jsd_el6001_set_transmit_data_8bits(context_, slave_id_, i, cmd.el6001_write_data_cmd.data_out_bytes[i]);
+    }    
+
+    jsd_el6001_request_transmit_data(context_, slave_id_, data_size);
+  }
+  else {
+    ERROR("Bad EL6001 command");
+    return false;
+  }
+
+  return true;
+}
+
+fastcat::FaultType fastcat::El6001::Process()
+{
+  fastcat::FaultType retval = NO_FAULT;
+
+  jsd_el6001_process(context_, slave_id_);
+
+  return retval;
+}
\ No newline at end of file
diff --git a/src/jsd/el6001.h b/src/jsd/el6001.h
new file mode 100644
index 0000000..d6cb18a
--- /dev/null
+++ b/src/jsd/el6001.h
@@ -0,0 +1,38 @@
+#ifndef FASTCAT_EL6001_H_
+#define FASTCAT_EL6001_H_
+
+// Include related header (for cc files)
+
+// Include c then c++ libraries
+
+// Include external then project includes
+#include "fastcat/jsd/jsd_device_base.h"
+#include "jsd/jsd_el6001_pub.h"
+
+namespace fastcat
+{
+class El6001 : public JsdDeviceBase
+{
+ public:
+  El6001();
+  bool ConfigFromYaml(YAML::Node node) override;
+  bool Read() override;
+  bool Write(DeviceCmd& cmd) override;
+  FaultType Process() override;
+  // void      Fault() override;
+  // void      Reset() override;
+
+ protected:
+  bool ConfigFromYamlCommon(YAML::Node node);
+
+  int baud_rate_;
+  bool use_first_byte_as_packet_length_;
+  bool use_last_byte_as_checksum_;
+
+ private:
+  jsd_slave_config_t jsd_slave_config_{0};
+};
+
+}  // namespace fastcat
+
+#endif
diff --git a/src/jsd/el6001_offline.cc b/src/jsd/el6001_offline.cc
new file mode 100644
index 0000000..d323d4a
--- /dev/null
+++ b/src/jsd/el6001_offline.cc
@@ -0,0 +1,44 @@
+// Include related header (for cc files)
+#include "fastcat/jsd/el6001_offline.h"
+
+// Include c then c++ libraries
+
+// Include external then project includes
+
+bool fastcat::El6001Offline::ConfigFromYaml(YAML::Node node)
+{
+  return ConfigFromYamlCommon(node);
+}
+
+bool fastcat::El6001Offline::Read() { return true; }
+
+fastcat::FaultType fastcat::El6001Offline::Process()
+{
+  return DeviceBase::Process();
+}
+
+bool fastcat::El4102Offline::Write(DeviceCmd& cmd)
+{
+  // If device supports async SDO requests
+  AsyncSdoRetVal sdoResult = WriteAsyncSdoRequest(cmd);
+  if(sdoResult != SDO_RET_VAL_NOT_APPLICABLE){
+    return (sdoResult == SDO_RET_VAL_SUCCESS);
+  }
+
+  if (cmd.type == EL6001_WRITE_DATA_CMD) {    
+    uint8_t data_size = cmd.el6001_write_data_cmd.data_size;
+    if (data_size > JSD_EL6001_NUM_DATA_BYTES) {
+      ERROR("Data size must be in range (0,%u)", JSD_EL6001_NUM_DATA_BYTES);
+      return false;
+    }
+    
+    for(int i = 0; i < data_size; i++){
+      state_->el6001_state.data_out_bytes[i] = cmd.el6001_write_data_cmd.data_out_bytes[i];
+    }    
+
+  } else {
+    ERROR("Bad EL6001 Command");
+    return false;
+  }
+  return true;
+}
diff --git a/src/jsd/el6001_offline.h b/src/jsd/el6001_offline.h
new file mode 100644
index 0000000..439d8d2
--- /dev/null
+++ b/src/jsd/el6001_offline.h
@@ -0,0 +1,24 @@
+#ifndef FASTCAT_EL6001_OFFLINE_H_
+#define FASTCAT_EL6001_OFFLINE_H_
+
+// Include related header (for cc files)
+
+// Include c then c++ libraries
+
+// Include external then project includes
+#include "fastcat/jsd/el6001.h"
+
+namespace fastcat
+{
+class El6001Offline : public El6001
+{
+ public:
+  bool      ConfigFromYaml(YAML::Node node) override;
+  bool      Read() override;
+  FaultType Process() override;
+  bool      Write(DeviceCmd& cmd) override;
+};
+
+}  // namespace fastcat
+
+#endif
\ No newline at end of file