Encore Engage Gateway 21Part 1615959−01 2019 Nordson CorporationIO Module 27This IO module contains a different value every 1 second so that the PLCmay know that the Gateway’s DSP controller is executing and not lockedup.IO Module 28This IO module contains 32 bytes of information requested through IOModule 9 as per Table 3. This IO module contains the information datavalues for a page of 16 guns. If after requesting information data the PLCprogram changes to the first byte of IO Module 28 to 0 (WAIT state), all thedata in IO Module 28 will reset to 0. The PLC program has to request theinformation data again to get the updated values.