6ES7138-4DB01-0AB0
ET 200S 1SSI 25Bit/2MHz

From SIEMENS

SIMATIC DP, ELECTRONIC MODULE F. ET 200S, 1 SSI 25BIT/1MHZ 15MM WIDE MODULE FOR CONN. OF ABSOLUTE ENCODERS WITH SSI INTERFACE SYNCHRONOUS SERIAL INTERFACE WITH DI AND COMPAR. VALUE WITH CLOCK CYCLIC SYNCHRON. APP
Supply voltage
Load voltage L+
Rated value (DC)24 V
permissible range, lower limit (DC)20.4 V
permissible range, upper limit (DC)28.8 V
Reverse polarity protectionYes
Input current
from load voltage L+ (without load), max.34 mA
from backplane bus 3.3 V DC, max.10 mA
Encoder supply
Absolute encoder (SSI) encoder supply
Absolute encoder (SSI)Yes
Type of output voltageL+ (-0.8 V)
Short-circuit protectionYes
Output current, max.500 mA
Power loss
Power loss, typ.0.8 W
Digital inputs
Number of digital inputs1
FunctionsTrigger for unlatching the current actual value, e.g. for length measurement
Input characteristic curve in accordance with IEC 61131, type 2Yes
Input voltage
Rated value (DC)24 V
for signal "0"11 V DC to 30 V DC
for signal "1"-30 V DC to +5 V DC
Input current
for signal "0", max. (permissible quiescent current)2 mA
for signal "1", typ.9 mA
Input delay (for rated value of input voltage)
for standard inputs
— at "0" to "1", max.300 µs
— at "1" to "0", max.300 µs
Cable length
shielded, max.50 m
unshielded, max.32 m
Encoder
Number of connectable encoders, max.1
Connectable encoders
Absolute encoder (SSI)Yes
2-wire sensorYes; Type 2
Encoder signals, absolute encoder (SSI)
Telegram length, parameterizable13, 21, 25 bit
Binary code1
Gray code1
Cable length, shielded, max.320 m; 320 m at 125 kHz, 160 m at 250 kHz, 60 m at 500 kHz, 20 m at 1 MHz, 8 m at 2 MHz, twisted in pairs and shielded
Monoflop timesettable: 16 / 32 / 48 / 64 µs; the following restriction applies: (1/baud rate) < monoflop time of the absolute encoder < 64 µs + 2x (1/baud rate)
Interrupts/diagnostics/status information
Diagnostics indication LED
Group error SF (red)Yes
Status indicator digital input (green)Yes
Status indicator backward counting (green)Yes
Status indicator forward counting (green)Yes
Parameter
Remark8 byte
Potential separation
Potential separation counter
between the channels and backplane busYes
Between the channels and load voltage L+No
Dimensions
Width15 mm
Height81 mm
Depth52 mm
Weights
Weight, approx.40 g
last modified:03/13/2019

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