Digital Input Modules - Siemens SIMATIC S7-1500/ET 200MP System Manual

System overview
4.6 Input and output modules
4.6.2

Digital input modules

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