This a SIEMENS PLC300 control program. There are multiple I/O, through the PID internal PLC module for temperature control. The control precision at 0.1 degrees celsius.

Ald20120517AO
.............\Ald.s7p
.............\Ald.S7S
.............\ApiLog
.............\......\lock
.............\......\LogIDs
.............\......\Step7Bas.ver
.............\......\Types
.............\CONN
.............\....\LINKVL.dbf
.............\....\LOCKVL.LCK
.............\....\VERBLIST.PRO
.............\....\VERBTAB.DBF
.............\....\VERBTAB.MDX
.............\....\VLTAB53.DBF
.............\....\VLTAB53.MDX
.............\Global
.............\......\141099_1.txt
.............\......\141099_1_dp_asi.txt
.............\......\Font_1
.............\......\Font_2
.............\......\Language
.............\......\S7hCompressedMetadata.cmf
.............\......\S7hMetaData.umf
.............\hOmSave7
.............\........\s7fccntx
.............\........\........\HATTARY1.DBF
.............\........\........\HATTARY1.DBT
.............\........\........\HATTARY1.MDX
.............\........\........\HATTRIB1.DBF
.............\........\........\HATTRIB1.MDX
.............\........\........\HATTRME1.DBF
.............\........\........\HATTRME1.DBT
.............\........\........\HATTRME1.MDX
.............\........\........\HLASTID2.DBF
.............\........\........\hLockID1
.............\........\........\HOBJECT1.DBF
.............\........\........\HOBJECT1.MDX
.............\........\........\HRELATI1.DBF
.............\........\........\HRELATI1.MDX
.............\........\s7fcposx
.............\........\........\HATTARY1.DBF
.............\........\........\HATTARY1.DBT
.............\........\........\HATTARY1.MDX
.............\........\........\HATTRIB1.DBF
.............\........\........\HATTRIB1.MDX
.............\........\........\HATTRME1.DBF
.............\........\........\HATTRME1.DBT
.............\........\........\HATTRME1.MDX
.............\........\........\HLASTID2.DBF
.............\........\........\hLockID1
.............\........\........\HOBJECT1.DBF
.............\........\........\HOBJECT1.MDX
.............\........\........\HRELATI1.DBF
.............\........\........\HRELATI1.MDX
.............\........\s7h0074x
.............\........\........\HATTARY1.DBF
.............\........\........\HATTARY1.DBT
.............\........\........\HATTARY1.MDX
.............\........\........\HATTRIB1.DBF
.............\........\........\HATTRIB1.MDX
.............\........\........\HATTRME1.DBF
.............\........\........\HATTRME1.DBT
.............\........\........\HATTRME1.MDX
.............\........\........\HLASTID2.DBF
.............\........\........\hLockID1
.............\........\........\HOBJECT1.DBF
.............\........\........\HOBJECT1.MDX
.............\........\........\HRELATI1.DBF
.............\........\........\HRELATI1.MDX
.............\........\s7hdevnx
.............\........\........\HATTARY1.DBF
.............\........\........\HATTARY1.DBT
.............\........\........\HATTARY1.MDX
.............\........\........\HATTRIB1.DBF
.............\........\........\HATTRIB1.MDX
.............\........\........\HATTRME1.DBF
.............\........\........\HATTRME1.DBT
.............\........\........\HATTRME1.MDX
.............\........\........\HLASTID2.DBF
.............\........\........\hLockID1
.............\........\........\HOBJECT1.DBF
.............\........\........\HOBJECT1.MDX
.............\........\........\HRELATI1.DBF
.............\........\........\HRELATI1.MDX
.............\........\S7HK30AX
.............\........\........\HATTARY1.DBF
.............\........\........\HATTARY1.DBT
.............\........\........\HATTARY1.MDX
.............\........\........\HATTRIB1.DBF
.............\........\........\HATTRIB1.MDX
.............\........\........\HATTRME1.DBF
.............\........\........\HATTRME1.DBT
.............\........\........\HATTRME1.MDX
.............\........\........\HLASTID2.DBF
.............\........\........\hLockID1
.............\........\........\HOBJECT1.DBF
.............\........\........\HOBJECT1.MDX
.............\........\........\HRELATI1.DBF
.............\........\........\HRELATI1.MDX

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