B&B Electronics ZZ24D-NA(NB,NC,ND)-SR - Manual - Manual (Page 95)

Appendix G: ZZ-4AO-2 Module
Manual Documentation Number: pn7515_Zlinx IO0712m 89
The program should now operate. There are two counters that count the “number of polls” and “valid Slave responses.” They
don’t need to be the same, but they should both increment and be close to each other. Inputs can be toggled and the status
should change in the Modbus table.