6AG2138-6AA01-1BA0

24 V encoder supply
24 V	Yes; L+ (-0.8 V)

24 V encoder supply
Output current, max	300mA
Short-circuit protection	Yes; electronic/thermal

Accuracy
Cycle duration measurement	100 ppm; depending on measuring interval and signal evaluation
Frequency measurement	100 ppm; depending on measuring interval and signal evaluation
Velocity measurement	100 ppm; depending on measuring interval and signal evaluation

Address space per module
Outputs	12byte; 4 bytes for Motion Control, 0 bytes for Fast mode

Address space per module
Inputs	16byte; 4 bytes in Fast mode

Alarms
Diagnostic alarm	Yes

Alarms
Hardware interrupt	Yes

Altitude during operation relating to sea level
Ambient air temperature-barometric pressure-altitude	Tmin ... Tmax at 1 140 hPa ... 795 hPa (-1 000 m ... +2 000 m)

Altitude during operation relating to sea level
Installation altitude above sea level, max	2000m

Ambient temperature during operation
horizontal installation, max	60C; = Tmax; +70 C for 10 min (OT1, ST1/ST2 acc. to EN 50155); +70 C continuously with configured slots to the left and right of the module (OT3, ST0 acc. to EN 50155)

Ambient temperature during operation
vertical installation, max	50C; = Tmax

Ambient temperature during operation
horizontal installation, min	-40C; = Tmin (incl. condensation/frost)
vertical installation, min	-40C; = Tmin

Cable length
shielded, max	1000m
unshielded, max	600m

Comparator
Can be changed from user program	Yes
Direction dependency	Yes
Number of comparators	2

Conformal coating
Coatings for printed circuit board assemblies acc. to EN 61086	Yes; Class 2 for high reliability
Military testing according to MIL-I-46058C, Amendment 7	Yes; Discoloration of coating possible during service life
Protection against fouling acc. to EN 60664-3	Yes; Type 1 protection

Conformal coating
Electronic equipment on rolling stock acc. to EN 50155	Yes; Class PC2 protective coating acc. to EN 50155:2017

Conformal coating
Qualification and Performance of Electrical Insulating Compound	Yes; Conformal coating, Class A

Connectable encoders
2-wire sensor	Yes

Connectable encoders
permissible quiescent current (2-wire sensor), max	1.5mA

Coolants and lubricants
Resistant to commercially available coolants and lubricants	Yes; Incl. diesel and oil droplets in the air

Counting functions
Counter response parameterizable	Yes
Software gate	Yes
Synchronization via digital input	Yes

Counting functions
Continuous counting	Yes
Counting range, parameterizable	Yes
Event-controlled stop	Yes
Hardware gate via digital input	Yes

Counting functions
Can be used with TO High_Speed_Counter	Yes

Decentralized operation
to SIMATIC S7-1500	Yes
to SIMATIC S7-400	Yes
to standard PROFINET controller	Yes

Decentralized operation
to SIMATIC S7-300	Yes

Decentralized operation
to SIMATIC S7-1200	Yes
to standard PROFIBUS master	Yes

Diagnoses
Group error	Yes
Wire-break	Yes

Diagnoses
Monitoring the supply voltage	Yes

Diagnoses
Short-circuit	Yes

Diagnoses
A/B transition error at incremental encoder	Yes

Diagnostics indication LED
Channel status display	Yes; green LED
for module diagnostics	Yes; green/red DIAG LED

Diagnostics indication LED
Monitoring of the supply voltage (PWR-LED)	Yes; green PWR LED

Diagnostics indication LED
Status indicator forward counting (green)	Yes

Diagnostics indication LED
Status indicator backward counting (green)	Yes

Digital input functions, parameterizable
Capture	Yes

Digital input functions, parameterizable
Freely usable digital input	Yes
Gate start/stop	Yes

Digital input functions, parameterizable
Probe	Yes

Digital input functions, parameterizable
Synchronization	Yes

Digital inputs
Number of digital inputs	3

Digital inputs
Digital inputs, parameterizable	Yes
Input characteristic curve in accordance with IEC 61131, type 3	Yes

Digital output functions, parameterizable
Freely usable digital output	Yes

Digital output functions, parameterizable
Switching tripped by comparison values	Yes

Digital outputs
Number of digital outputs	2
Type of digital output	Transistor

Digital outputs
Controlling a digital input	Yes
Short-circuit protection	Yes; electronic/thermal

Digital outputs
Limitation of inductive shutdown voltage to	L+ (-53 V)

Digital outputs
Digital outputs, parameterizable	Yes
Response threshold, typ	1A

Dimensions
Depth	58mm
Height	73mm
Width	15mm

Encoder signals, incremental encoder (asymmetrical)
Input frequency, max	200kHz
pulse encoder with direction	Yes
Signal filter, parameterizable	Yes

Encoder signals, incremental encoder (asymmetrical)
Cable length, shielded, max	600m; depending on input frequency, encoder and cable quality; max. 50 m at 200 kHz
pulse encoder	Yes

Encoder signals, incremental encoder (asymmetrical)
Input voltage	24 V

Encoder signals, incremental encoder (asymmetrical)
pulse encoder with one impulse signal per count direction	Yes

Encoder signals, incremental encoder (asymmetrical)
Counting frequency, max	800kHz; with quadruple evaluation
Incremental encoder with A/B tracks, 90 phase offset	Yes
Incremental encoder with A/B tracks, 90 phase offset and zero tr	Yes

Encoder supply
Number of outputs	1

Firmware version
Color code for module-specific color identification plate	CC00
FW update possible	Yes
usable BaseUnits	BU type A0

for standard inputs
at "0" to "1", min	6
at "1" to "0", min	6
parameterizable	Yes; none / 0.05 / 0.1 / 0.4 / 0.8 / 1.6 / 3.2 / 12.8 / 20 ms

for technological functions
parameterizable	Yes

General information
Product type designation	TM Count 1x24V

Input current
Current consumption, max	60mA; without load

Input current
for signal "1", typ	2.5mA

Input voltage
for signal "0"	-5 ... +5 V
for signal "1"	+11 to +30V

Input voltage
Rated value (DC)	24V

Input voltage
permissible voltage at input, max	30V

Input voltage
permissible voltage at input, min	-30V; -5 V continuous, -30 V brief reverse polarity protection

Integrated Functions
Fast mode	Yes
Number of counters	1

Integrated Functions
Counter	Yes

Integrated Functions
Counting frequency, max	800kHz; with quadruple evaluation

Interface types
Input characteristic curve in accordance with IEC 61131, type 3	Yes

Interface types
Source/sink input	Yes

Interrupts/diagnostics/status information
Substitute values connectable	Yes; Parameterizable

Isolation
Isolation tested with	750 V DC (type test) and according to EN 50155 (routine test)

Load resistance range
upper limit	12kΩ

Load resistance range
lower limit	48Ω

Load voltage L+
permissible range, lower limit (DC)	19.2V
permissible range, upper limit (DC)	28.8V
Rated value (DC)	24V

Load voltage L+
Reverse polarity protection	Yes

Measuring functions
Dynamic measurement period adjustment	Yes

Measuring functions
Measuring time, parameterizable	Yes
Number of thresholds, parameterizable	2

Measuring range
Cycle duration measurement, max	25s
Cycle duration measurement, min	1.25
Frequency measurement, max	800kHz
Frequency measurement, min	0.04Hz

Other
Note:	for use in railway applications, also observe the product information "SIPLUS extreme RAIL" A5E37661960A, Online Support article 109736776

Output current
for signal "1" minimum load current	2mA
for signal "1" rated value	0.5A; Per digital output

Output current
for signal "0" residual current, max	0.5mA

Output current
for signal "1" permissible range, max	0.6A; Per digital output

Output delay with resistive load
"0" to "1", max	50
"1" to "0", max	50

Output voltage
for signal "1", min	23.2V; L+ (-0.8 V)

Position detection
Suitable for S7-1500 Motion Control	Yes

Position detection
Incremental acquisition	Yes

Potential separation channels
between the channels and backplane bus	Yes

Power loss
Power loss, typ	1W

Product function
Isochronous mode	Yes

Product function
I&M data	Yes; I&M0 to I&M3

Railway application
EN 50121-4	Yes; EMC for signal and telecommunications systems
EN 50155	Yes; Rail vehicles - temperature class OT1, ST1/ST2, horizontal mounting position

Railway application
EN 50125-1	Yes; Rail vehicles - see ambient conditions
EN 50125-3	Yes; Signal and telecommunications systems - see ambient conditions; vibrations and shocks: Application point outside of tracks (1 m to 3 m away from track)
EN 61373	Yes; Rail vehicles - vibrations and shocks: Category 1 Class A/B

Railway application
EN 50121-3-2	Yes; EMC for rail vehicles
EN 50124-1	Yes; Railway applications - overvoltage category OV2; pollution degree PD2; rated surge voltage UNi = 0.5 kV; UNm = 24 V DC
EN 50125-2	Yes; Stationary electrical equipment - see ambient conditions
Fire protection acc. to EN 45545-2	Yes; For proof of conformity, see Service & Support

Relative humidity
With condensation, tested in accordance with IEC 60068-2-38, max	100%; RH incl. condensation / frost (no commissioning in bedewed state), horizontal installation

Remark
Note regarding classification of environmental conditions acc. t	* The supplied plug covers must remain in place over the unused interfaces during operation!

Standards, approvals, certificates
Suitable for safety functions	No

Switching capacity of the outputs
on lamp load, max	5W

Switching capacity of the outputs
with resistive load, max	0.5A; Per digital output

Switching frequency
with inductive load, max	0.5Hz; Acc. to IEC 60947-5-1, DC-13; observe derating curve
with resistive load, max	10kHz

Switching frequency
on lamp load, max	10Hz

Total current of the outputs
Current per module, max	1A

Usage in industrial process technology
Against chemically active substances acc. to EN 60654-4	Yes; Class 3 (excluding trichlorethylene)
Environmental conditions for process, measuring and control syst	Yes; Level GX group A/B (excluding trichlorethylene; harmful gas concentrations up to the limits of EN 60721-3-3 class 3C4 permissible); level LC3 (salt spray) and level LB3 (oil)

Use in stationary industrial systems
Against mechanical environmental conditions acc. to EN 60721-3-3	Yes; Class 3M8 using the SIPLUS Mounting Kit ET 200SP (6AG1193-6AA00-0AA0)
to biologically active substances according to EN 60721-3-3	Yes; Class 3B2 mold, fungus and dry rot spores (with the exception of fauna); Class 3B3 on request
to chemically active substances according to EN 60721-3-3	Yes; Class 3C4 (RH < 75 %) incl. salt spray acc. to EN 60068-2-52 (severity degree 3); *
to mechanically active substances according to EN 60721-3-3	Yes; Class 3S4 incl. sand, dust, *

Use on land craft, rail vehicles and special-purpose vehicles
Against mechanical environmental conditions acc. to EN 60721-3-5	Yes; Class 5M2 using the SIPLUS Mounting Kit ET 200SP (6AG1193-6AA00-0AA0)
against mechanical environmental conditions in agriculture acc.	Yes; level 1 (Location LE) using the SIPLUS Mounting Kit ET 200SP (6AG1193-6AA00-0AA0)
to biologically active substances according to EN 60721-3-5	Yes; Class 5B2 mold, fungus and dry rot spores (with the exception of fauna); Class 5B3 on request
to chemically active substances according to EN 60721-3-5	Yes; Class 5C3 (RH < 75 %) incl. salt spray acc. to EN 60068-2-52 (severity degree 3); *
to mechanically active substances according to EN 60721-3-5	Yes; Class 5S3 incl. sand, dust; *

Weights
Weight, approx	45g