Technical Information On Control Connections - Siemens BT300 Manual

Technical data
7.2.1

Technical information on control connections

Standard I/O board
Terminal Signal
Reference output
1
Analog input,
2
voltage or current
Analog input common
3
(current)
Analog input,
4
voltage or current
Analog input common
5
(current)
6
24 V aux. voltage
7
I/O ground
8
Digital input 1
9
Digital input 2
10
Digital input 3
Common A for DIN1-
11
DIN6
12
24 V aux. voltage
13
I/O ground
14
Digital input 4
15
Digital input 5
16
Digital input 6
Common A for DIN1-
17
DIN6
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Table 33. Technical information on standard I/O board
Technical information
+10 V, +3%; Maximum current 10 mA
Analog input channel 1
0- +10 V (Ri = 200 kOhm)
4-20 mA (Ri =250 Ohm)
Resolution 0.1 %, accuracy ±1 %
Selection V/mA with dip-switches (see page 51)
Short-circuited protected.
Differential input if not connected to ground;
Allows ±20 V differential mode voltage to GND
Analog input channel 2
Defauit: 4-20 mA (Ri =250
Resolution 0.1 %, accuracy ±1 %
Selection V/mA with dip-switches (see page 51)
Short-circuited protected.
Differential input if not connected to ground;
Allows 20V differential mode voltage to GND
+24 V, ±10%, max volt. ripple < 100 mVrms; max. 250 mA
Dimensioning: max. 1000 mA/control unit.
Short-circuit protected.
Ground for reference and controls (connected internally to frame
earth through 1M Ohm)
Positive or negative logic
Ri = min. 5 kOhm
0...5 V = "0"
15...30 V = "1"
Digital inputs can be disconnected from ground, see
Chapter 5.1.2.1.
+24 V, ±10%, max volt. ripple < 100 mVrms; max. 250 mA
Dimensioning: max. 1000 mA/control unit.
Short-circuit protected
Ground for reference and controls (connected internally to frame
earth through 1 M
Positive or negative logic
Ri = min. 5 k
0...5 V = "0"
15...30 V = "1"
Digital inputs can be isolated from ground, see Chapter 5.1.2.1.
Ohm
Ohm
0-10 V (Ri=200 k
Ohm
)
Ohm
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