7 Accessories
7.1 Device-specific accessories
168 DC1 Variable Frequency Drive 04/16 MN04020003Z-EN www.eaton.com
7.1.3 DXC-EXT-2RO1AO output expansion
Figure 90: DXC-EXT-2RO1AO
Expansion module DXC-EXT-2RO1AO was developed with HVAC 
applications in mind. It can switch the “Drive running” and “Shutdown due 
to fault” messages with two separate relays (K1, K2).
Table 35: Specific technical data DXC-EXT-2RO1AO
Technical Specification Unit Value
Output switching voltage
K1 (control signal terminals 12, 13) V 250 AC / 230 DC
K2 (control signal terminals 10, 11) V 250 AC / 220 DC
AO V 0 - 10 DC
Relay switching current
K1 (control signal terminals 12, 13) A  1
K2 (control signal terminals 10, 11) A  1
AO mA < 20
Operating Temperature °C -10 - +50
Degree of protection (without the connection 
pins being covered by the DC1’s control signal 
terminal block)
IP00
→
For detailed instructions on how to install the module, please 
refer to instruction leaflet IL04012014Z.
NOTICE
Internal relay K1 is looped with the expansion module, meaning 
it can only conduct a lower current ( 1A).