98  *  Function code         1 Byte
103  *  Function code         1 Byte
104  *  Byte count            1 Bytes
105  *  Coil status           N * 1 Byte
140 	/* Calculate byte count for response. */  in mbs_fc01_coil_read()
142 	/* Number of data bytes + byte count. */  in mbs_fc01_coil_read()
153 	/* Start with bit 0 in response byte data mask. */  in mbs_fc01_coil_read()
183 			 * Still in same data byte, so shift the data mask  in mbs_fc01_coil_read()
197  *  Function code         1 Byte
202  *  Function code         1 Byte
203  *  Byte count            1 Bytes
204  *  Input status           N * 1 Byte
241 	/* Number of data bytes + byte count. */  in mbs_fc02_di_read()
254 	/* Start with bit 0 in response byte data mask. */  in mbs_fc02_di_read()
284 			 * Still in same data byte, so shift the data mask  in mbs_fc02_di_read()
298  *  Function code         1 Byte
303  *  Function code         1 Byte
304  *  Byte count            1 Bytes
305  *  Register Value        N * 2 Byte
356 	/* Number of data bytes + byte count. */  in mbs_fc03_hreg_read()
410  *  Function code         1 Byte
415  *  Function code         1 Byte
416  *  Byte count            1 Bytes
417  *  Register Value        N * 2 Byte
468 	/* Number of data bytes + byte count. */  in mbs_fc04_inreg_read()
521  *  Function code         1 Byte
526  *  Function code         1 Byte
580  *  Function code         1 Byte
585  *  Function code         1 Byte
630  *  Function code         1 Byte
632  *  Data                  N * 2 Byte
635  *  Function code         1 Byte
637  *  Data                  N * 2 Byte
716  *  Function code         1 Byte
719  *  Byte Count            1 Byte
720  *  Outputs Value         N * 1 Byte
723  *  Function code         1 Byte
753 	/* Get the byte count for the data. */  in mbs_fc15_coils_write()
762 	/* Be sure byte count is valid for quantity of coils. */  in mbs_fc15_coils_write()
771 	/* The 1st coil data byte is 6th element in payload */  in mbs_fc15_coils_write()
775 		/* Move to the next data byte after every eight bits. */  in mbs_fc15_coils_write()
813  *  Function code         1 Byte
816  *  Byte Count            1 Byte
817  *  Registers Value       N * 1 Byte
820  *  Function code         1 Byte
847 	/* Get the byte count for the data. */  in mbs_fc16_hregs_write()
889 	/* The 1st registers data byte is 6th element in payload */  in mbs_fc16_hregs_write()