Sigma IC3-Modbus: Data Type Compatibility (16-bit, 32-bit, 64-bit)

[Gary]

Issue

Clarification is needed regarding which Modbus data types are compatible with Sigma IC3-Modbus, particularly concerning 64-bit support.

Product Line

Satchwell Sigma

Environment

Satchwell Sigma IC3 Modbus

Cause

Documentation does not explicitly mention support for 64-bit data types, leading to uncertainty.

Resolution

• ✅ 16-bit Registers:
  Fully supported across all Sigma versions.

• ✅ 32-bit Registers:
  Supported from Sigma Release 4_05-SEB (Build 3_43_18) onwards.
  Refer to Sigma IC-Modbus - Reading 32 Bit Integer values from two 16 Bit registers for engineering guidance.

• ❌ 64-bit Registers:
  Not supported with Sigma IC3-Modbus.