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KL2521 | Bus Terminal, 1-channel pulse train output, incr. enc. simulation, RS422, 50 mA

KL2521 | Bus Terminal, 1-channel pulse train output, incr. enc. simulation, RS422, 50 mA

KL2521 | Bus Terminal, 1-channel pulse train output, incr. enc. simulation, RS422, 50 mA

Signal LED A
Signal LED B
Signal LED T
Signal LED Z
+A
+B
+T
Ground T, Z
-A
-B
+Z
Shield
Top view 
Contact assembly 
KL2521 | Bus Terminal, 1-channel pulse train output, incr. enc. simulation, RS422, 50 mA

KL2521 | Bus Terminal, 1-channel pulse train output, incr. enc. simulation, RS422, 50 mA

The KL2521 output terminal alters the frequency of a binary signal and (electrically isolated from the K-bus) outputs it. The frequency is preset by a 16 bit value from the automation unit. The output stage is RS422 compatible and, in the version KL2521-0024, can be driven with 24 V DC signals. The Bus Terminal indicates its signal state by means of light emitting diodes. The LEDs are driven in time with the outputs and each displays an active output.

Product status:

regular delivery

Product information

Technical dataKL2521 | KS2521KL2521-0024
Number of inputs2 (+T, +Z)
Nominal voltageRS422 level24 V DC (externally supplied)
Load typeRS422 input24 V DC inputs
Signal voltageRS422 level24 V DC (externally supplied)
Max. output currentRS422 specification0.5 A
PWM clock frequency1…500 kHz, 50 kHz default
Duty factor50% (±20%)
Resolutionmax. 15 bit
Electrical isolation500 V (K-bus/field potential)
Current consumption K-bustyp. 50 mA, max. 120 mA (load-dependent)
Bit width in the process image24 inputs/outputs: 1 x 16 bit data, 1 x 8 bit control/status
Configurationconfiguration via Bus Coupler or controller
Weightapprox. 50 g
Operating/storage temperature0…+55°C/-25…+85°C
Relative humidity95%, no condensation
Vibration/shock resistanceconforms to EN 60068-2-6/EN 60068-2-27
EMC immunity/emissionconforms to EN 61000-6-2/EN 61000-6-4
Protect. rating/installation pos.IP20/variable
Pluggable wiringfor all KSxxxx Bus Terminals
Approvals/markingsCE, UL, ATEXCE, UL
Ex markingATEX:
II 3 G Ex ec IIC T4 Gc
IECEx:
Ex ec IIC T4 Gc
Housing dataKL-12-8pinKS-12-8pin
Design formcompact terminal housing with signal LEDsterminal housing with pluggable wiring level
Materialpolycarbonate
Dimensions (W x H x D)12 mm x 100 mm x 68 mm
Installationon 35 mm DIN rail, conforming to EN 60715 with lock
Side by side mounting by means ofdouble slot and key connection
Markinglabeling of the BZxxx series
Wiringsolid conductor (s), flexible conductor (st) and ferrule (f): spring actuation by screwdriver
Connection cross-sections*: 0.08…2.5 mm²,
st*: 0.08…2.5 mm²,
f*: 0.14…1.5 mm²
s*: 0.08…1.5 mm²,
st*: 0.08…1.5 mm²,
f*: 0.14…1.5 mm²
Connection cross-section AWGs*: AWG28…14,
st*: AWG28…14,
f*: AWG26…16
s*: AWG28…16,
st*: AWG28…16,
f*: AWG26…16
Stripping length8…9 mm9…10 mm
Current load power contactsImax: 10 A

*s: solid wire; st: stranded wire; f: with ferrule

Ordering information
KL2521Bus Terminal, 1-channel pulse train output, incr. enc. simulation, RS422, 50 mA
KS2521Bus Terminal, 1-channel pulse train output, incr. enc. simulation, RS422, 50 mA, pluggable wiring
KL2521-0010Bus Terminal, 1-channel pulse train output, incr. enc. simulation, RS422, 50 mA, with additional outputs (230 V AC/DC, 100 mA) instead of the additional inputs of the default variant
KL2521-0024Bus Terminal, 1-channel pulse train output, incr. enc. simulation, 24 V DC, 0.5 A, externally powered

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