Description of the I/O Modules
Excel 800
EN1B-0375GE51 R0910
40
Terminals
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
1 2 3 4 5 6
AI1
AI2
AI2 AI3 AI4
7 8
GND
GND
GND
GND GND GND GND GND GND GND
11
10
9
12 13 14 15 16 17 18
25 26
21
V
AUX
V
AUX
22
AI5 AI6 AI7 AI8
Fig. 60
Terminal assignment and internal connections of
analog input modules
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…8
AI1 … AI8 Analog inputs 1…8
9…18 GND
Ground. All grounds are internally
connected internally to each other.
21, 22
10 VDC/
5 mA, ±2%
Auxiliary voltage signal (used e.g. for
supplying setpoint potentiometers)
25, 26
Shield connection (functional earth),
internally connected to the DIN rail
Table 43 Description of analog input module terminals
Notes
Shield connection to be used for shielded I/O cables only.
It is not allowed to connect a L
ON
W
ORKS
shield, since
L
ON
W
ORKS
requires a resistor and a capacitor.
If additional shield terminals are needed, the
XS814 Auxiliary Terminal Package can be installed.
Technical Data
Input
0(2) ... 10 VDC
0(4) ... 20 mA
(via external 499
Ω
/0.25% resistor
NTC20k
Ω
(-50…+150 °C; default)
PT1000-1 (-50…+150 °C)
PT1000-2 (0…+400 °C)
PT3000 (-50…+150 °C)
BALCO500 (-30…+120 °C)
NTC10k
Ω
(-30…+100 °C)
NI1000TK5000 (-30…+130 °C)
Slow binary input
Protection
Protected against failure voltage (24 VAC,
40 VDC)
Resolution
16-bit resolution
Accuracy
±75 mV (0 ... 10 V), without sensor
Table 44 Analog input modules data
Range
PT
1000-
1
PT
1000-
2
Balco50
0
(1
PT
3000
NTC20
k
Ω
(default)
NTC10
k
Ω
(2
NI100
0T
K50
00
(3
-50...-20 °C
(-58...-4 °F)
≤
1.2 K
–
≤
1.2 K
≤
1.2 K
≤
5.0 K
≤
5.0 K
≤
1.2 K
-20…0 °C
(-4…+32 °F)
≤
0.7 K
–
≤
0.7 K
≤
0.7 K
≤
1.0 K
≤
1.0 K
≤
0.7 K
0...30 °C
(32…86 °F)
≤
0.5 K
≤
0.5 K
≤
0.5 K
≤
0.5 K
≤
0.3 K
≤
0.5 K
≤
0.5 K
30...70 °C
(86...158 °F)
≤
0.7 K
≤
0.7 K
≤
0.7 K
≤
0.7 K
≤
0.5 K
≤
0.5 K
≤
0.7 K
70...100 °C
(158...212 °F)
≤
1.2 K
≤
1.2 K
≤
1.2 K
≤
1.2 K
≤
1.0 K
≤
1.0 K
≤
1.2 K
100...130 °C
(212...266 °F)
≤
1.2 K
≤
1.2 K
≤
1.2 K
≤
1.2 K
≤
3.0 K
–
≤
1.2 K
130...150 °C
(266...302 °F)
≤
1.2 K
≤
1.2 K
–
≤
1.2 K
≤
5.5 K
–
–
150…400 °C
(302…752
°F)
–
≤
1.2 K
–
–
–
–
–
(1
Balco specified for -30 °C … +120 °C, only
(2
NTC10k
Ω
specified for -30 °C … +100 °C, only
(3
NI1000TK5000 specified for -30 °C … +130 °C, only
Table 45 Accuracy of analog input sensors
Note
The accuracy of the sensor itself is not included in this table.