Data Sheet

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Data sheet 6ES7551-1AB00-0AB0

SIMATIC S7-1500, TM POSINPUT 2 Counter and position detection

module for RS422 incremental encoder or SSI absolute value

encoder, 2 channels, 2 DI, 2 DQ per channel

General information

Product type designation TM PosInput 2

Firmware version V1.3

● FW update possible

Yes

Product function

● I&M data

Yes; I&M0 to I&M3

Engineering with

● STEP 7 TIA Portal configurable/integrated as of

version

V12 (FW V1.0) ... V15 (FW V1.3)/V12 (FW V1.0), V13 (FW V1.1)

● PROFIBUS as of GSD version/GSD revision

GSD Revision 5

● PROFINET as of GSD version/GSD revision

V2.3 / -

Installation type/mounting

Rail mounting Yes; S7-1500 mounting rail

Supply voltage

Load voltage L+

● Rated value (DC)

24V

6ES7551-1AB00-0AB0 Subject to change without notice

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Summary of content (7 pages)

PAGE 1
Data sheet 6ES7551-1AB00-0AB0 SIMATIC S7-1500, TM POSINPUT 2 Counter and position detection module for RS422 incremental encoder or SSI absolute value encoder, 2 channels, 2 DI, 2 DQ per channel General information Product type designation TM PosInput 2 Firmware version V1.3 ● FW update possible Yes Product function ● I&M data Yes; I&M0 to I&M3 Engineering with ● STEP 7 TIA Portal configurable/integrated as of version V12 (FW V1.0) ... V15 (FW V1.3)/V12 (FW V1.0), V13 (FW V1.
PAGE 2
● permissible range, lower limit (DC) 19.2 V ● permissible range, upper limit (DC) 28.8 V ● Reverse polarity protection Yes Input current Current consumption, max. 75 mA; without load Encoder supply Number of outputs 4; One 5V and 24V encoder supply per channel 5 V encoder supply ●5V Yes; 5.2 V ±2 % ● Short-circuit protection Yes ● Output current, max. 300 mA; Per channel 24 V encoder supply ● 24 V Yes; L+ (-0.8 V) ● Short-circuit protection Yes ● Output current, max.
PAGE 3
Input current ● for signal "1", typ. 2.5 mA Input delay (for rated value of input voltage) for standard inputs — parameterizable Yes; 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 — parameterizable Yes Cable length ● shielded, max. 1 000 m ● unshielded, max.
PAGE 4
● 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. 2A Cable length ● shielded, max. 1 000 m ● unshielded, max. 600 m Encoder Encoder signals, incremental encoder (symmetrical) ● Input voltage RS 422 ● Input frequency, max. 1 MHz ● Counting frequency, max. 4 MHz; with quadruple evaluation ● Cable length, shielded, max.
PAGE 5
● 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.
PAGE 6
● Hardware gate via digital input Yes ● Software gate Yes ● Event-controlled stop Yes ● Synchronization via digital input Yes ● Counting range, parameterizable Yes Comparator — Number of comparators 2; Per channel — Direction dependency Yes — Can be changed from user program Yes Position detection ● Incremental acquisition Yes ● Absolute acquisition Yes ● Suitable for S7-1500 Motion Control Yes Measuring functions ● Measuring time, parameterizable Yes ● Dynamic measurement period adj
PAGE 7
to SIMATIC S7-300 Yes to SIMATIC S7-400 Yes to SIMATIC S7-1200 Yes to SIMATIC S7-1500 Yes to standard PROFIBUS master Yes; FW V1.1 and higher to standard PROFINET controller Yes Dimensions Width 35 mm Height 147 mm Depth 129 mm Weights Weight, approx.