4 Accessories
4.7 Device-specific accessories for devices with an IP20 degree of protection
102
DC1-S…20…, DC1-S…OE1 Variable Frequency Drives
05/21 MN040058EN
www.eaton.com
4.7.3 DXC-EXT-2RO1AO output expansion
Figure 70: 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 24: DXC-EXT-2RO1AO connection terminals
Connection
terminal
Signal
Description
Default Setting
1
+24V
Control voltage for the
digital inputs
100 mA max.
Reference potential: 0 V
(terminals 7 and 9)
–
2
DI1
Digital Input 1
8 - 30 V = HIGH, R
i
> 6 k
Ω
FWD
3
DI2
Digital input 2
8 - 30 V = HIGH, R
i
> 6 k
Ω
Select Quick-Dec
4
AI2/DI3
Analog input 2 or digital
input 3
analog:
0 - 10 V, R
i
> 72 k
Ω
0/4 - 20 mA, R
B
= 500
Ω
digital:
8 - 30 V = HIGH, R
i
> 72 k
Ω
Select AI1REF/f-Fix1
5
+10 V
Reference voltage
10 mA max.
Reference potential: 0 V
(terminals 7 and 9)
–
6
AI1/DI4
Analog input 1 or digital
input 4
analog:
0 - 10 V, R
i
> 72 k
Ω
0/4 - 20 mA, R
B
= 500
Ω
digital:
8 - 30 V = HIGH, R
i
> 72 k
Ω
AI1 REF
(analog, 0 - 10 V)
7
0 V
Common reference potential for all digital and analog inputs
and outputs together with terminal 9
–
8
AO1/DO1
Analog output 1 or
digital output 1
250 V, 1 A AC/220 V, 1 A DC
Output Frequency
(analog, 0 - 10 V)
9
0 V
Common reference potential for all digital and analog inputs
and outputs together with terminal 7
–
10
K13
Relay RO1 (N/C)
250 V, 6 A AC/30 V, 5 A DC
Closed if there is a fault or
the device is not being
powered.
11
K14
12
K23
Relay RO2 (N/O)
250 V, 1 A AC/220 V, 1 A DC
Closed if the device is
ready for operation and the
START signal is active.
13
K24
1 2 3 4 5 6 7
8 9 10 11
Summary of Contents for DC1-S1011NB-A20CE1 1
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