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Simatic DP, Electronic Module f. ET200S, 1SSI 25bit/1MHz, W15mm module f. conn. of absolute encoders, SSI interface, synchronous serial interface w. DI and compar. value, w. clock cyclic synchron. app., Siemens

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 protection		Yes
Input current
from load voltage L+ (without load), max.		40 mA
from backplane bus 3.3 V DC, max.		10 mA
Encoder supply
24 V encoder supply
● 24 V		Yes
● Short-circuit protection		Yes
● Output current, max.		500 mA
Absolute encoder (SSI) encoder supply
● Absolute encoder (SSI)		Yes
● Type of output voltage		L+ (-0.8 V)
● short-circuit protection		Yes
● Output current, max.		500 mA
Power loss
Power loss, typ.		1 W
Hardware configuration
Module exchange
● Module exchange during operation of the IM-DP		Yes
● Module exchange under process voltage		Yes
Digital inputs
Number of digital inputs		1
Input voltage
● for signal "0"		-30 to +5V
● for signal "1"		+11 to +30V
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
Encoder
Number of connectable encoders, max.		1
Connectable encoders
● Absolute encoder (SSI)		Yes
● 2-wire sensor		Yes; Type 2
Encoder signals, absolute encoder (SSI)
● Input signal		to RS-422
● Telegram length, parameterizable		13, 14, 16, 21, 24 & 25 bit
● Binary code		Yes
● Gray code		Yes
● Cable length, shielded, max.		320 m; At 125 kHz
● Monoflop time		16/32/48/64 µs
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
Potential separation
Potential separation digital inputs
● Potential separation digital inputs		No; same potential with L+ and SSI
Potential separation counter
● between the channels and backplane bus		Yes
● Between the channels and load voltage L+		No
Dimensions
Width		15 mm
Height		81 mm
Depth		52 mm
Weights
Weight, approx.		40 g
last modified:		11/21/2017