Overview EL515x series

Technology

Incremental encoder interface, HTL 24 V_DC

Sensor inputs

1

2

Encoder connection

A, B, C,
gate/ latch input

A, B, C,
latch input

A, B, C,
gate/ latch input

A1, B1, A2, B2

Encoder operating voltage

24 V (-15%/+20%), (generated from the 24 V_DC power contacts)

Signal voltage "0"
(inputs A, B, C, gate/latch)

0 V ... 5 V (EN 61131-2, type 1)

Signal voltage "1"
(inputs A, B, C, gate/latch)

15 V ... 30 V (EN 61131-2, type 1)

Counter

1 x 32/16-bit binary, switchable

1 x 32-bit binary

1 x 32/16-bit binary, switchable

2 x 32/16-bit binary, switchable

Limit frequency

max. 400,000 increments/s with 4-fold evaluation), corresponds to 100 kHz

Quadrature decoder

4-fold evaluation

Parameterizable output 24 V_DC (compare function)

-

1

-

-

Rated voltage of the output

-

24 V_DC (-15% / +20%)

-

-

Output current

-

max. 0.5 A
(short-circuit-proof)

-

-

Switching times

-

T_ON: 15 µs typ.,
T_OFF: 20 µs typ.

-

-

Timestamp resolution

1 ns

-

1 ns

-

Timestamp accuracy

100 ns

-

100 ns

-

Distributed Clocks

yes (from Firmware 02)

no

yes

yes

TwinSAFE Single Channel

no

no

yes

no

Gate- or latch function

yes

latch function

yes

no

Microincrements

yes

no

yes

yes

Timestamping of edges

yes

no

yes

no

Period duration and
frequency measurement

yes

no

yes

yes

Up/Down counters

yes

yes

yes

yes

Workpiece measurement

no

yes

no

no

Compare function

no

yes

no

no