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  • 200V

221-1BH20 - Signal modules digital | Digital input with counter

Order no.

221-1BH20

TypeSM 221

General information

Note-
Features16x DI
DC 24 V
2 inputs configurable as counter 1x 32 bit
Up to 100 kHz
LED status display

Current consumption/power loss

Current consumption from backplane bus85 mA
Power loss3.5 W

Technical data digital inputs

Number of inputs16
Cable length, shielded1000 m
Cable length, unshielded600 m
Rated load voltage-
Reverse polarity protection of rated load voltage-
Current consumption from load voltage L+ (without load)-
Rated valueDC 20.4...28.8 V
Input voltage for signal "0"DC 0...5 V
Input voltage for signal "1"DC 15...28.8 V
Input voltage hysteresis-
Frequency range-
Input resistance-
Input current for signal "1"7 mA
Connection of Two-Wire-BEROs possible
Max. permissible BERO quiescent current1.5 mA
Input delay of "0" to "1"3 ms
Input delay of "1" to "0"3 ms
Number of simultaneously utilizable inputs horizontal configuration16
Number of simultaneously utilizable inputs vertical configuration16
Input characteristic curveIEC 61131-2, type 1
Initial data size6 Byte

Technical data counters

Number of counters1
Counter width32 Bit
Maximum input frequency100 kHz
Maximum count frequency400 kHz
Mode incremental encoder
Mode pulse / direction
Mode pulse
Mode frequency counter
Mode period measurement
Gate input available-
Latch input available-
Reset input available-
Counter output available-

Status information, alarms, diagnostics

Status displaygreen LED per channel
Interruptsno
Process alarmno
Diagnostic interruptno
Diagnostic functionsno
Diagnostics information read-outnone
Supply voltage displaynone
Group error displaynone
Channel error displaynone

Isolation

Between channels-
Between channels of groups to16
Between channels and backplane bus
Insulation tested withDC 500 V

Datasizes

Input bytes6
Output bytes6
Parameter bytes5
Diagnostic bytes0

Housing

MaterialPPE / PA 6.6
MountingProfile rail 35 mm

Mechanical data

Dimensions (WxHxD)25.4 mm x 76 mm x 88 mm
Net weight90 g
Weight including accessories-
Gross weight-

Environmental conditions

Operating temperature0 °C to 60 °C
Storage temperature-25 °C to 70 °C

Certifications

UL certificationyes
KC certification-

Downloads

[Datenblatt]
[Handbuch]