scanning data factors

scanning data factors

for the time of scanning for field devices and fetching data is it depending only on field devices configuration or there should be some configuration to be done at Zenon side ?? as am receiving high data consumption even if configuration have been optimized at field side. am using SIM card to transfer data.??
if there is parameters to be optimized at Zenon side please clarify.
Zenon version 10.0.1.42970.