![background image](http://html1.mh-extra.com/html/eaton/sc300/sc300_operation-handbook_4128896154.webp)
SC300 Handbook
148
Copyright © 2007-2018 Eaton Corporation. All Rights Reserved.
IPN 997-00012-03 B2 Issue B2 July 2018
Digital
Input
Name
Function*
IOB
Number
IOB DI
Number
Connector
1
Digital Input 1
User Defined
1
1
XH15A
2
Digital Input 2
User Defined
1
2
XH15A
3
Digital Input 3
User Defined
1
3
XH15A
4
Digital Input 4
User Defined
1
4
XH15B
5
Digital Input 5
User Defined
1
5
XH15B
6
Digital Input 6
User Defined
1
6
XH15B
7
Load Fuse Fail
Load Fuse Fail
1
7
YH3
8
Battery Fuse Fail
Battery Fuse Fail
1
8
YH3
9
ACD Fan Fail
ACD Fan Fail
1
9
YH3
10
MOV Fail
MOV Fail
1
10
YH3
11#
Digital Input 10
User Defined
1
11
XH15D
12#
Digital Input 11
User Defined
1
12
XH15D
13#
Digital Input 12
User Defined
1
13
XH15D
*
Function
is an internal analog or digital input value used by the SC300 for voltage control
processes, and/or to generate System States, and/or to generate system alarms.
# Digital inputs 10, 11, 12 are only available with IOBGP-10/11/20/21
Digital
Output
Name
IOB
Number
IOB DO
Number
Connector
1
Summary Non Urgent
1
1
XH16
2
Low/High Load
1
2
XH17
3
Rectifier Fail
1
3
XH18
4
AC Fail
1
4
XH19
5
Load/Batt Disconnect
1
5
XH20
6
IOBGP 1 RY6/Mon OK 1
6
XH21
7 #
Digital output 7
1
7
XH22
8 #
Digital output 8
1
8
XH23
9 #
Digital output 9
1
9
XH24
10 #
Digital output 10
1
10
XH25
# Digital outputs 7 to 10 are only available with IOBGP-10/11/20/21 or IOBSS-10.
Digital outputs are activated by mappings from alarms (see Digital Output (Relay) Mapping on
page 149) or by a test (see Digital Outputs on page 90).