EB1 - Expansion Board 1
Connecting-up
Siemens AG 477 791 4070 76 J AA-74
SIMOVERT MASTERDRIVES
Operating Instructions
4-3
The following connections are provided on the terminal strip:
♦
3 digital inputs
♦
4 bidirectional digital inputs/outputs
Terminal
Designation
Significance
Range
38
M
Ground digital
0 V
39
P24ext.
Ext. 24 V supply
+20 V ... +33 V
40
DI1
Digital input 1
24 V, Ri = 4 k
Ω
41
DI2
Digital input 2
24 V, Ri = 4 k
Ω
42
DI3
Digital input 3
24 V, Ri = 4 k
Ω
43
DIO1
Digital input/output 1
Input:
44
DIO2
Digital input/output 2
24 V, 4 k
Ω
45
DIO3
Digital input/output 3
Output:
46
DIO4
Digital input/output 4
P24ext. - 2.5 V, 100 mA
Connectable cross-section: 1.5 mm² (AWG 16)
The ground cables are protected by a reactor.
Terminal 46 is at the top when installed.
Table 4-1
Terminal assignment at connection X480
NOTE
The external 24 V supply must be sized for the currents of the digital outputs.
X480 - Digital inputs
and outputs