Festo EMCS-ST - Digital Inputs (DI)

Festo — EMCS-ST — 2021-03b
Technical data
109
Type EMCS-ST-42-... EMCS-ST-57-...
Logic voltage supply (DIO and IO-Link operation)
Nominal voltage [V DC] 24
Voltage range [V DC] 24 ± 15 %
Logic current consumption
(Logic, Pin 1) loaded with rotary
encoder and display compo-
nents
–
DIO operation
[mA] 100 ... 300
–
IO-Link operation
[mA] 100 ... 150
Protective functions
–
Protection against polarity reversal
–
Overcurrent protection
(Fuse 2 A, not resettable)
Tab. 55: Technical data: power supply
16.2.2
Digital inputs (DI)
Type EMCS-ST-42-... EMCS-ST-57-...
Nominal voltage [V DC] 24
Voltage range [V DC] −3 … +30
Level
Logic level based on
EN 61131-2, Type 1
PNP, NPN
Min. pulse length (high or low) [ms] 20
High level (1) for PNP
1)
per input
Max. input voltage U
H max
[V] 30
Min. input voltage U
H min
[V] 15
Max. input current I
H max
[mA] 15
Min. input current I
H min
[mA] 2
Low level (0) for PNP
1)
per input
Max. input voltage U
L max
at I
L max
>0.5/£0.5
[V] 5/15
Min. input voltage U
L min
[V] –3
Max. input current I
L max
[mA] 15
Min. input current I
L min
[mA] –
1) The understanding of NPN is reversed. However, the values and the function are identical.
Tab. 56: Technical data, digital inputs (DI)