The OMRON GRT1-DA2C is an Analog Output I/O Slice for the GRT1 Series Smart Slice I/O System. It is used in conjunction with a GRT1 Series communication unit (such as the GRT1-CRT for DeviceNet). This module provides 2 analog output channels that are individually configurable as either current (4-20 mA) or voltage (0-10 V).