Table of Contents

Model GFC7001E Carbon Dioxide Analyzer

8.1.7. Terminal Operating Modes

156

8.1.7.1. Help Commands in Terminal Mode

156

8.1.7.2. Command Syntax

157

8.1.7.3. Data Types

157

8.1.7.4. Status Reporting

158

8.1.7.5. COMM Port Password Security

159

8.2. Multidrop RS-232 Set Up

160

8.3. RS-485 Configuration of COM2

162

8.4. Remote Access via the Ethernet

164

8.4.1. Ethernet Card COM2 Communication Modes and Baud Rate

164

8.4.2. Configuring the Ethernet Interface Option using DHCP

165

8.4.3. Manually Configuring the Network IP Addresses

167

8.4.4. Changing the Analyzer’s HOSTNAME

170

8.5. MODBUS SetUp

171

8.5.1. Remote Access by Modem

172

8.6. Using the GFC 7001E/EM with a Hessen Protocol Network

175

8.6.1. General Overview of Hessen Protocol

175

8.6.2. Hessen COMM Port Configuration

175

8.6.3. Activating Hessen Protocol

176

8.6.4. Selecting a Hessen Protocol Type

177

8.6.5. Setting The Hessen Protocol Response Mode

178

8.6.6. Hessen Protocol Gas List Entries

179

8.6.6.1. Gas List Entry Format and Definitions

179

8.6.6.2. Editing or Adding HESSEN Gas List Entries

180

8.6.6.3. Deleting HESSEN Gas List Entries

181

8.6.7. Setting Hessen Protocol Status Flags

182

8.6.8. Instrument ID Code

183

8.7. APICOM Remote Control Program

184

9. CALIBRATION PROCEDURES

185

9.1. Before Calibration

186

9.1.1. Required Equipment, Supplies, and Expendables

186

9.1.2. Calibration Gases

186

9.1.2.1. Zero Air

186

9.1.2.2. Span Gas

187

9.1.2.3. Traceability

187

9.1.3. Data Recording Devices

187

9.2. Manual Calibration Checks and Calibration of the GFC 7001E/EM Analyzer in its Base Configuration....

188

9.2.1. Setup for Basic Calibration Checks and Calibration

188

9.2.2. Performing a Basic Manual Calibration Check

190

9.2.3. Performing a Basic Manual Calibration

191

9.2.3.1. Setting the Expected Span Gas Concentration

191

9.2.3.2. Zero/Span Point Calibration Procedure

192

9.3. Manual Calibration with Zero/Span Valves

193

9.3.1. Setup for Calibration Using Valve Options

193

9.3.2. Manual Calibration Checks with Valve Options Installed

195

9.3.3. Manual Calibration Using Valve Options

196

9.3.3.1. Setting the Expected Span Gas Concentration

196

9.3.3.2. Zero/Span Point Calibration Procedure

197

9.3.3.3. Use of Zero/Span Valve with Remote Contact Closure

198

9.4. Automatic Zero/Span Cal/Check (AutoCal)

198

9.4.1. SETUP ACAL: Programming and AUTO CAL Sequence

201

9.4.1.1. AutoCal with Auto or Dual Reporting Ranges Modes Selected

203

9.5. CO Calibration Quality

204

9.6. Calibration of the GFC 7001E/EM’s Electronic Subsystems

205

9.6.1. Dark Calibration Test

205

9.6.2. Pressure Calibration

206

9.6.3. Flow Calibration

207

9.6.4. Electrical Test Calibration

208

Teledyne Analytical Instruments

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Teledyne GFC 7001EM operation manual Calibration Procedures, 185