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Description of the I/O Modules Excel 800
EN1B-0410GE51 R0908A
26
Binary Input Modules
Types of Binary Input Modules
Table 30. Excel 800 Binary Input Modules
type description housing
XF823 Panel Bus Binary Input Module light-gray
XFL823
L
ONWORKS Bus Binary Input
Module
dark-gray
XS823 terminal socket light-gray
Features
• 12 binary inputs
• 12 configurable status LEDs (green/red, yellow/OFF)
• Binary inputs can be used as
– Static digital inputs as dry-contacts
Fig. 41. XF823AU Binary Input Module with terminal
socket
Legend
1 Service button S1
2 Hex switch S2
3 Input LEDs
4 Service LED
5 Power LED
Functionality of service LED and power LED: see Table 42
and following.
Terminals
BI12
12
25 26
74
78
73 77
72 76
71
75
24
V~
24
V~
24
V~0
24
V~0
COM
B
COM
B
COM
A
COM
A
BI11
11
BI10
10
BI9
9
BI8
8
BI7
7
BI6
6
BI5
5
BI4
4
BI3
3
BI2
2
BI1
1
2423222120191817161514
GND
13
GNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGND
Fig. 42. Terminal assignment and internal connections of
Binary Input Modules
Table 31. Description of Binary Input Module terminals
ter-
minal
signal comment
71, 75 COM a
2-wire communication bus (LON/Panel
Bus)
72, 76 COM b
2-wire communication bus (LON/Panel
Bus)
73, 77 24 V~ Power supply
74, 78 24 V~0 Power supply
1 ─ 12 BI1 ─ BI12 Binary inputs 1 ─ 12
13 ─
24
GND
Ground. All grounds are connected
internally to each other.
25, 26
Shield connection (functional earth),
internally connected to the DIN rail.
NOTE: Shield connection to be used for shielded I/O
cables only. It is not allowed to connect a
L
ONWORKS shield.
Technical Data
Table 32. Technical data for of Binary Input Modules
input type
dry-contact
current rating (closed
input)
2 mA
open contact voltage
16 ─ 22 VDC