Appendix a: modbus protocol 183 – Watlow CPC400 User Manual

Page 13

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CPC400 Series User’s Guide

List of Tables

Doc. 0600-2900-2000

Watlow Anafaze

xi

Table 7.15—RTD Range and Resolution 173
Table 7.16—Input Resistance for Voltage Inputs 174
Table 7.17—Digital Inputs 174
Table 7.18—Digital Outputs Control / Alarm 175
Table 7.19—CPU Watchdog Output 175
Table 7.20—5V

Î

(dc) Output (Power to Operate Solid-State Relays) 175

Table 7.21—CPC400 Serial Interface 176
Table 7.22—CPC400 Power 176
Table 7.23—Power Supply Environmental Specifications 176
Table 7.24—Power Supply Agency Approvals / Compliance 176
Table 7.25—Power Supply Physical Specifications 177
Table 7.26—Power Supply with Mounting Bracket 177
Table 7.27—Power Supply Inputs and Outputs 178
Table 7.28—Dual DAC Physical Specifications 178
Table 7.29—Dual DAC Power Requirements 179
Table 7.30—Dual DAC Specifications by Output Range 180
Table 7.31—Serial DAC Environmental Specifications 180
Table 7.32—Serial DAC Physical Specifications 180
Table 7.33—Serial DAC Agency Approvals / Compliance 181
Table 7.34—Serial DAC Inputs 181
Table 7.35—Serial DAC Power Requirements 182
Table 7.36—Serial DAC Analog Output

Specifications 182

Appendix A: Modbus Protocol 183

Table A.1—Function Codes 190
Table A.2—Diagnostics Subfunctions 191
Table A.3—Sample Packet for Host Query 193
Table A.4—Sample Packet for Slave Response 193
Table A.5—Sample Packet for Host Query 194
Table A.6—Sample Packet for Slave Response 194
Table A.7—Sample Packet for Host Query 194
Table A.8—Sample Packet for Slave Response 194

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