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KL1501 | Up/down counter 24 V DC, 100 kHz

The up/down counter counts binary pulses, and transmits the counter state, in an electrically isolated form, to the higher-order automation device. Using the up/down input, the (32 bit) counting direction of the KL1501 Bus Terminal can be changed. The gate connection can be used to control the triggering. Using the clock1 input, it is possible to implement two (16 bit) counters. The Bus Terminal contains two inputs that indicate their signal state by means of light emitting diodes. Both outputs are switched conform to the counter state, so that they can be used as fast control signals for field devices.

Technical data KL1501 | KS1501
Number of inputs 2
Number of counters 1 or 2
Nominal voltage 24 V DC (-15 %/+20 %)
“0“ signal voltage -3…+5 V
“1“ signal voltage 15…30 V
Counting frequency max. 100 kHz (2 kHz for switching between up and down)
Counter depth 32 bits
Input current typ. 5 mA
Max. output current 0.5 A typ. (short-circuit-proof) per channel
Current consumpt. K-bus typ. 50 mA
Electrical isolation 500 V (K-bus/field potential)
Bit width in the process image 40 inputs/outputs: 32 bit data, 8 bit control/status
Configuration no address setting, configuration via Bus Coupler or controller
Special features 2 additional outputs
Weight approx. 50 g
Operating/storage temperature 0…+55 °C/-25…+85 °C
Relative humidity 95 %, no condensation
Vibration/shock resistance conforms to EN 60068-2-6/EN 60068-2-27/29
EMC immunity/emission conforms to EN 61000-6-2/EN 61000-6-4
Protect. class/installation pos. IP 20/variable
Pluggable wiring for all KSxxxx Bus Terminals
Approvals CE, UL, Ex

Special terminals  
KL1501-0010 gate-counter with auto-reset and setting A0
KL1501-0011 up/down counter with 5 V inputs, 24 V DC outputs