Siemens Simatic S7-1500 / ET 200MP - Digital Input Modules

System overview
4.6 Input and output modules
Automation system
70 System Manual, 01/2023, A5E03461182-AK
4.6.2 Digital input modules
Digital input modules
Short designation DI 16x24VDC HF
DI 16x24VDC BA
DI 32x24VDC HF
DI 32x24VDC BA
DI 16x24VDC SRC BA DI 16x24...125VUC HF
Article number
High Feature (HF)
6ES7521-1BH00-0AB0
6ES7521-1BL00-0AB0
---
6ES7521-7EH00-0AB0
Basic (BA)
6ES7521-1BH10-0AA0
6ES7521-1BL10-0AA0
6ES7521-1BH50-0AA0
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Equipment Manual
High Feature (HF)
Link
Link
---
Link
Basic (BA)
Link
Link
Link
---
Width
High Feature (HF)
35 mm
35 mm
---
35 mm
Basic (BA)
25 mm
25 mm
35 mm
---
Number of inputs
16
32
16
16
Electrical isolation
between channels
---
X
---
X
Number of potential
groups
1
2
1
1
Nominal input voltage
24 V DC
24 V DC
24 V DC
24 V UC to 125 V UC
Diagnostic interrupt
Only with HF
Only with HF
---
X
Hardware interrupt
Only with HF
Only with HF
---
X
Isochronous mode
Only with HF
Only with HF
---
---
Input delay
High Feature (HF)
0.05 ms to 20 ms (con-
figurable)
---
0.05 ms to 20 ms (con-
figurable with DC)
20 ms (fixed at AC)
Basic (BA)
Typ. 3 ms (fixed)
Typ. 3 ms (fixed)
Typ. 3 ms (fixed)
---
Integrated counting
function
(Two channels can
optionally be used as
counter with 3 kHz)
Only with HF: Count-
ing up to 3 kHz
Only with HF: Count-
ing up to 1 kHz
---
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