If you mean delays between commands, no, Ignition's Modbus driver doesn't have a setting for that. As it happens, my alternate driver does have this setting:
Automation Professionals is pleased to announce the first beta for its Advanced Modbus Driver, for Ignition version 7.9.
Key features:
Server mode, emulating one or more slave devices , using any of the three typical connection types, including simultaneous connections of multiple types.
Client mode, incorporating all three connection modes in one driver.
Support for Modbus Function Codes 20 and 21, File Records.
Configure protocol tweaks for troublesome devices per slave unit, enabling suppor…