  We theoretically investigate the transport signature of single and multiple
Floquet Majorana end modes~(FMEMs), appearing in an experimentally feasible
setup with Rashba nanowire~(NW) placed in closed proximity to a conventional
$s$-wave superconductor, in the presence of an external Zeeman field. Periodic
drive causes the anomalous $\pi$-modes to emerge in addition to the regular
$0$-modes in the driven system where the former does not exhibit any static
analog. For single $0$- and/or $\pi$-FMEM, differential conductance exhibits a
quantized value of $2e^{2}/h$ while we consider the sum over all the photon
sectors, supporting Floquet sum rule. We examine the stability of this summed
conductance against random onsite disorder. We further investigate the summed
conductance in several cases hosting multiple~(more than one) $0$- or
$\pi$-modes at the end of the NW. In these cases, we obtain quantized values of
$n\times 2e^{2}/h$ of summed conductance with $n$ being the number of
modes~($0$ / $\pi$) located at one end of NW. We repeat our analysis for
another experimentally realizable model system known as helical Shiba chain.
Moreover, we corroborate our results by computing the differential conductance
for FMEMs using non-equilibrium Green's function method. Our work opens up the
possibility of studying the transport signatures of FMEMs in these realistic
models.
