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SIEMENS S7-1500 Process module High-speed counting module 6ES7551-1AB00-0AB0

15 review

Product Code:

6952.37 0.00
SIMATIC S7-1500, TM PosInput 2 counter and position detection module for RS-422 incremental encoder or SSI absolute encoder, 2 channels, 2 DI, 2 DQ per channel
Quantity

Subtotal: $6952.37

Product details

 

General information
Product type designationTM PosInput 2
Firmware versionV1.3
● FW update possibleYes
Product function
● I&M dataYes; I&M0 to I&M3
● Isochronous modeYes
Engineering with
● STEP 7 TIA Portal configurable/integrated from versionV12 (FW V1.0) ... V15 (FW V1.3)/V12 (FW V1.0), V13 (FW V1.1)
● PROFIBUS from GSD version/GSD revisionGSD Revision 5
● PROFINET from GSD version/GSD revisionV2.3 / -
Installation type/mounting
Rail mountingYes; S7-1500 mounting rail
Supply voltage
Load voltage L+
● Rated value (DC)24 V
● permissible range, lower limit (DC)19.2 V
● permissible range, upper limit (DC)28.8 V
● Reverse polarity protectionYes
Input current
Current consumption, max.75 mA; without load
Encoder supply
Number of outputs4; One 5V and 24V encoder supply per channel
5 V encoder supply
● 5 VYes; 5.2 V ±2 %
● Short-circuit protectionYes
● Output current, max.300 mA; Per channel
24 V encoder supply
● 24 VYes; L+ (-0.8 V)
● Short-circuit protectionYes
● Output current, max.300 mA; Per channel
Power
Power available from the backplane bus1.3 W
Power loss
Power loss, typ.5.5 W
Address area
Address space per module
● Inputs16 byte; Per channel
● Outputs12 byte; per channel; 4 bytes for Motion Control
Digital inputs
Number of digital inputs4; 2 per channel
Digital inputs, parameterizableYes
Input characteristic curve in accordance with IEC 61131, type 3Yes
Digital input functions, parameterizable
● Gate start/stopYes; only for pulse and incremental encoders
● CaptureYes
● SynchronizationYes; only for pulse and incremental encoders
● Freely usable digital inputYes
Input voltage
● Type of input voltageDC
● Rated value (DC)24 V
● for signal "0"-5 ... +5 V
● for signal "1"+11 to +30V
● permissible voltage at input, min.-30 V; -5 V continuous, -30 V brief reverse polarity protection
● permissible voltage at input, max.30 V
Input current
● for signal "1", typ.2.5 mA
Input delay (for rated value of input voltage)
for standard inputs
— parameterizableYes; none / 0.05 / 0.1 / 0.4 / 0.8 / 1.6 / 3.2 / 12.8 / 20 ms
— at "0" to "1", min.6 µs; for parameterization "none"
— at "1" to "0", min.6 µs; for parameterization "none"
for technological functions
— parameterizableYes
Cable length
● shielded, max.1 000 m
● unshielded, max.600 m
Digital outputs
Type of digital outputTransistor
Number of digital outputs4; 2 per channel
Digital outputs, parameterizableYes
Short-circuit protectionYes; electronic/thermal
● Response threshold, typ.1 A
Limitation of inductive shutdown voltage toL+ (-33 V)
Controlling a digital inputYes
Digital output functions, parameterizable
● Switching tripped by comparison valuesYes
● Freely usable digital outputYes
Switching capacity of the outputs
● with resistive load, max.0.5 A; Per digital output
● on lamp load, max.5 W
Load resistance range
● lower limit48 Ω
● upper limit12 kΩ
Output voltage
● Type of output voltageDC
● for signal "1", min.23.2 V; L+ (-0.8 V)
Output current
● for signal "1" rated value0.5 A; Per digital output
● for signal "1" permissible range, max.0.6 A; Per digital output
● for signal "1" minimum load current2 mA
● for signal "0" residual current, max.0.5 mA
Output delay with resistive load
● "0" to "1", max.50 µs
● "1" to "0", max.50 µs
Switching frequency
● with resistive load, max.10 kHz
● with inductive load, max.0.5 Hz; Acc. to IEC 60947-5-1, DC-13; observe derating curve
● on lamp load, max.10 Hz
Total current of the outputs
● Current per module, max.2 A
Cable length
● shielded, max.1 000 m
● unshielded, max.600 m
Encoder
Encoder signals, incremental encoder (symmetrical)
● Input voltageRS 422
● Input frequency, max.1 MHz
● Counting frequency, max.4 MHz; with quadruple evaluation
● Cable length, shielded, max.32 m; at 1 MHz
● Signal filter, parameterizableYes
● Incremental encoder with A/B tracks, 90° phase offsetYes
● Incremental encoder with A/B tracks, 90° phase offset and zero trackYes
● pulse encoderYes
● Pulse encoder with directionYes
● pulse encoder with one impulse signal per count directionYes
Encoder signals, incremental encoder (asymmetrical)
● Input voltage5 V TTL (push-pull encoders only)
● Input frequency, max.1 MHz
● Counting frequency, max.4 MHz; with quadruple evaluation
● Signal filter, parameterizableYes
● Incremental encoder with A/B tracks, 90° phase offsetYes
● Incremental encoder with A/B tracks, 90° phase offset and zero trackYes
● pulse encoderYes
● pulse encoder with directionYes
● pulse encoder with one impulse signal per count directionYes
Encoder signals, absolute encoder (SSI)
● Input signalto RS-422
● Telegram length, parameterizable10 ... 40 bit
● Clock frequency, max.2 MHz; 125 kHz, 250 kHz, 500 kHz, 1 MHz, 1.5 MHz or 2 MHz
● Binary codeYes
● Gray codeYes
● Cable length, shielded, max.320 m; Cable length, RS-422 SSI absolute encoders, Siemens type 6FX2001-5, 24 V supply: 125 kHz, 320 meters shielded, max.; 250 kHz, 160 meters shielded, max.; 500 kHz, 60 meters shielded, max.; 1 MHz, 20 meters shielded, max. 1.5 MHz, 10 meters shielded, max.; 2 MHz, 8 meters shielded, max.
● Parity bit, parameterizableYes
● Monoflop time16, 32, 48, 64 µs & automatic
● MultiturnYes
● SingleturnYes
Interface types
● TTL 5 VYes; push-pull encoders only
● RS 422Yes
Isochronous mode
Filtering and processing time (TCI), min.130 µs; only for pulse and incremental encoders
Bus cycle time (TDP), min.250 µs
Interrupts/diagnostics/status information
Alarms
● Diagnostic alarmYes
● Hardware interruptYes
Diagnoses
● Monitoring the supply voltageYes
● Wire-breakYes
● Short-circuitYes
● A/B transition error at incremental encoderYes
● Telegram error at SSI encoderYes
Diagnostics indication LED
● RUN LEDYes; green LED
● ERROR LEDYes; red LED
● MAINT LEDYes; Yellow LED
● Monitoring of the supply voltage (PWR-LED)Yes; green LED
● Channel status displayYes; green LED
● for channel diagnosticsYes; red LED
Integrated Functions
CounterYes
● Number of counters2
● Counting frequency, max.4 MHz; with quadruple evaluation
Counting functions
● Can be used with TO High_Speed_CounterYes; only for pulse and incremental encoders
● Continuous countingYes
● Counter response parameterizableYes
● Hardware gate via digital inputYes
● Software gateYes
● Event-controlled stopYes
● Synchronization via digital inputYes
● Counting range, parameterizableYes
Comparator
— Number of comparators2; Per channel
— Direction dependencyYes
— Can be changed from user programYes
Position detection
● Incremental acquisitionYes
● Absolute acquisitionYes
● Suitable for S7-1500 Motion ControlYes
Measuring functions
● Measuring time, parameterizableYes
● Dynamic measurement period adjustmentYes
● Number of thresholds, parameterizable2
Measuring range
— Frequency measurement, min.0.04 Hz
— Frequency measurement, max.4 MHz
— Cycle duration measurement, min.0.25 µs
— Cycle duration measurement, max.25 s
Accuracy
— Frequency measurement100 ppm; depending on measuring interval and signal evaluation
— Cycle duration measurement100 ppm; depending on measuring interval and signal evaluation
— Velocity measurement100 ppm; depending on measuring interval and signal evaluation
Potential separation
Potential separation channels
● between the channelsNo
● between the channels and backplane busYes
● Between the channels and load voltage L+No
Isolation
Isolation tested with707 V DC (type test)
Ambient conditions
Ambient temperature during operation
● horizontal installation, min.0 °C
● horizontal installation, max.60 °C; Please note derating for inductive loads
● vertical installation, min.0 °C
● vertical installation, max.40 °C; Please note derating for inductive loads
Altitude during operation relating to sea level
● Installation altitude above sea level, max.5 000 m; restrictions for installation altitudes > 2 000 m, see ET 200MP system manual
Decentralized operation
to SIMATIC S7-300Yes
to SIMATIC S7-400Yes
to SIMATIC S7-1200Yes
to SIMATIC S7-1500Yes
to standard PROFIBUS masterYes; FW V1.1 and higher
to standard PROFINET controllerYes
Dimensions
Width35 mm
Height147 mm
Depth129 mm
Weights
Weight, approx.325 g



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