Virtual Modbus generic context

Contents

sim-modbus-generic service simulates a generic Modbus slave device which can accept read and write register commands.

Features provided

A standard Modbus context with 10 000 registers of all types (coils, discretes, inputs and holdings).

The service itself does not modify Modbus registers in any way.

Note

A Virtual Modbus port must be deployed first.

eva svc create sim.modbus1.generic /opt/eva4/sim/svc-tpl-sim-modbus-generic.yml

where the service configuration template is:

command: sim/sim-modbus-generic
bus:
  path: var/bus.ipc
config:
  port_svc: sim.modbus1.port
  unit: 1
  persistent: true
user: eva

The following methods can be called via the local bus (see EAPI commons):

Description	Stores Modbus context to disk (if persistent)
Parameters	none
Returns	nothing