https://forge.codesys.com/forge/talk/Engineering/thread/61092972c1/2021-08-20T05:56:09.924000ZRecent posts to SNMPLibrary agent question2021-08-20T05:56:09.924000Z2021-08-20T05:56:09.924000Zcdfizz17https://forge.codesys.com/u/cdfizz17/https://forge.codesys.com564f0553867a526c2e11d90f9bfc479b1d56d68c

<div class="markdown_content"><p>Hello all, I am trying to use the SNMP_Agent FB but I cannot get it to accept SNMP_VALUE variables. It only seems to accept SNMP_DINT and SNMP_STRING. Example:</p> <div class="codehilite"><pre><span></span><span class="n">VAR</span> <span class="n">snmpAgent</span> <span class="p">:</span> <span class="n">SNMP</span><span class="p">.</span><span class="n">SNMP_AGENT</span><span class="p">;</span> <span class="n">stValue</span> <span class="p">:</span> <span class="n">SNMP</span><span class="p">.</span><span class="n">SNMPValue</span><span class="p">;</span> <span class="n">diObject</span> <span class="p">:</span> <span class="n">SNMP</span><span class="p">.</span><span class="n">SNMP_DINT</span><span class="p">;</span> <span class="n">vObject</span> <span class="p">:</span> <span class="n">SNMP</span><span class="p">.</span><span class="n">SNMP_VALUE</span><span class="p">;</span> <span class="n">END_VAR</span> <span class="n">snmpAgent</span><span class="p">(</span> <span class="n">xExecute</span> <span class="p">:</span><span class="o">=</span> <span class="k">TRUE</span><span class="p">,</span> <span class="n">sOwnIP</span> <span class="p">:</span><span class="o">=</span> <span class="n">GVL</span><span class="p">.</span><span class="n">sOwnIP</span> <span class="p">);</span> <span class="n">diObject</span><span class="p">(</span> <span class="n">sOID</span> <span class="p">:</span><span class="o">=</span> <span class="s1">'1.3.6.1.4.1.3000.1.1.1'</span><span class="p">,</span> <span class="n">pSnmpAgent</span> <span class="p">:</span><span class="o">=</span> <span class="n">ADR</span><span class="p">(</span><span class="n">snmpAgent</span><span class="p">),</span> <span class="n">diValue</span> <span class="p">:</span><span class="o">=</span> <span class="mi">3</span> <span class="p">);</span> <span class="n">stValue</span> <span class="p">:</span><span class="o">=</span> <span class="n">diObject</span><span class="p">.</span><span class="n">Value</span><span class="p">;</span> <span class="o">//</span> <span class="k">Copy</span> <span class="n">property</span> <span class="n">vObject</span><span class="p">(</span> <span class="n">sOID</span> <span class="p">:</span><span class="o">=</span> <span class="s1">'1.3.6.1.4.1.3000.1.1.2'</span><span class="p">,</span> <span class="n">pSnmpAgent</span> <span class="p">:</span><span class="o">=</span> <span class="n">ADR</span><span class="p">(</span><span class="n">snmpAgent</span><span class="p">)</span> <span class="p">);</span> <span class="n">vObject</span><span class="p">.</span><span class="n">Value</span> <span class="p">:</span><span class="o">=</span> <span class="n">stValue</span><span class="p">;</span> <span class="o">//</span> <span class="k">Set</span> <span class="n">property</span><span class="p">,</span> <span class="n">should</span> <span class="n">be</span> <span class="n">identical</span><span class="o">?</span> </pre></div> <p>Despite this, only diObject gets added to the agent (see attached). Is this expected?</p> <p><img src="./attachment/value_issue.png" width="50%"/></p></div>