Siemens Simatic S7-1500 / ET 200MP - Page 72

System overview
4.6 Input and output modules
Automation system
System Manual, 01/2023, A5E03461182-AK
71
Digital input modules
Short designation
DI 16x230VAC BA
DI 16xNAMUR HF
DI 16x24VDC HS
Article number
High Feature (HF)
---
6ES7521-7TH00-0AB0
---
Basic (BA)
6ES7521-1FH00-0AA0
---
---
High Speed (HS)
---
---
6ES7521-7BH00-0AB0
Equipment Manual
High Feature (HF)
---
Link
---
Basic (BA)
Link
---
---
High Speed (HS)
---
---
Link
Width
High Feature (HF)
---
35 mm
---
Basic (BA)
35 mm
---
---
High Speed (HS)
---
---
35 mm
Number of inputs
16
16
16
Electrical isolation between
channels
X --- ---
Number of potential groups
4
2
2
Nominal input voltage
120/230 V AC
24 V DC
24 V DC
Diagnostic interrupt
---
X
X
Hardware interrupt
---
X
X
Isochronous mode
---
X
X
Input delay
High Feature (HF)
---
0.05 ms to 20 ms (configu-
rable)
---
Basic (BA)
Typ. 25 ms (fixed)
---
---
High Speed (HS)
---
---
0.05 ms to 20 ms (configu-
rable)
Integrated counting function
(Two channels can optionally
be used as counter with
3 kHz)
---
Counting up to 20 kHz
Counting up to 20 kHz