8
24V_EXT
CON4 Spare Outputs 5..8
CON4 provides four opto-isolated spare outputs for the ACU. These inputs are reserved for
customized versions of the ACU software, they normally are not used. There is no cabling
required.
pin
signal
description
type
1
AUX 5 OUT C
OUT+
2
AUX 5 OUT E
OUT-
3
AUX 6 OUT C
OUT+
4
AUX 6 OUT E
OUT-
5
AUX 7 OUT C
OUT+
6
AUX 7 OUT E
OUT-
7
AUX 8 OUT C
optional heartbeat signal
OUT+
8
AUX 8 OUT E
optional heartbeat signal
OUT-
The AUX 8 output may be configured to act as a heartbeat output. If enabled, the output switches
every 1000 ms between on/off. If using this signal for an external watchdog circuit, be aware the
in adaptive tracking mode delays of some seconds are possible while the acu calculates the
orbital model.
CON5 Spare Outputs 1..4
CON5 provides another four opto-isolated spare outputs for the ACU. These inputs are reserved
for customized versions of the ACU software, they normally are not used. There is no cabling
required.
pin
signal
description
type
1
AUX 1 OUT C
OUT+
2
AUX 1 OUT E
OUT-
3
AUX 2 OUT C
OUT+
4
AUX 2 OUT E
OUT-
5
AUX 3 OUT C
OUT+
6
AUX 3 OUT E
OUT-
7
AUX 4 OUT C
OUT+
8
AUX 4 OUT E
OUT-
CON6 Beacon Receiver
The ACU preferably is used together with the sat-nms LBRX beacon receiver. With the sat-nms
LBRX the ACU talks though TCP/IP, no additional cabling is required in this case. At CON6 the
(C) 2022, SatService GmbH
www.satnms.com
ACU-ODM-UM-2209 Page 10/73