3 Installation
3.5 Electrical Installation
DC1 variable frequency drive 12/13 MN04020003Z-EN www.eaton.com 73
3.5.2.9 Digital Output (Transistor)
When using the device's default configuration, control signal terminal 8 will
be configured as an analog output (AO).
It can be set to work as a digital output instead (DO) with parameter P-25
( Page 119).
Transistor output DO can deliver a digital signal via control signal terminal 8
using the device's internal control voltage (+24 V). The maximum permissible
load current is 20 mA.
Figure 48: Connecting example (interposing relay with free-wheel diode:ETS4-VS3)
The parameter assignment is described in Section 7.6, „Motor current
monitoring“, Page 130.
3.5.2.10 Digital Output (Relay)
Control signal terminals 10 and 11 are connected to the DC1 variable
frequency drive's internal relay contact (N/O) in a potential-free manner.
The relay function can be configured with parameter P-18 ( Table 37,
Page 223).
The electrical connection specifications for control signal terminals 10
and 11 are:
• 250 V AC, max. 6 A
• 30 V DC, max. 5 A
￫
Control signal terminals 7 and 9 are the common 0 V reference
potential for all analog and digital input signals.
< 20 mA
DO
OV
8 9
+
+ 24 V
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