Technical Data Of Sm 338; Pos-Input - Siemens SIMATIC Manual

Other signal modules
7.4 Position decoder module SM 338; POS-INPUT; (6ES7338-4BC01-0AB0)
7.4.8

Technical data of SM 338; POS-INPUT

Technical data of SM 338; POS-INPUT
Technical data
Dimensions and weight
Dimensions W x H x D (mm)
Weight
Voltages, currents, electrical potentials
Rated load voltage L+
•
Range
•
Reverse polarity protection
Electrical isolation
Maximum potential difference
•
Between the input (M terminal) and CPU grounding bus-
bar
Encoder supply
•
Output voltage
•
Output current
Current consumption
•
from the backplane bus
•
from load voltage L+ (no load)
Power loss of the module
Encoder inputs POS-INPUT 0 to 2
Position detection
Difference signals for SSI data and SSI clock
Data transfer rate and cable (twisted-pair and shielded)
length of absolute value encoders
SSI frame transfer rate
•
125 kHz
•
250 kHz
•
500 kHz
•
1 MHz
Monoflop time 2
512
40 x 125 x 120
Approx. 235 g
24 VDC
20.4 ... 28.8 V
No
No, only to shield
1 VDC
L+ -0.8 V
Max. 900 mA, short circuit-proof
Max. 160 mA
max. 10 mA
Typ. 3 W
Absolute
To RS422 standard
•
125 kHz max. 320 m
•
250 kHz max. 160 m
•
500 kHz max. 60 m
•
1 MHz max. 20 m
13 bits 21 bits
112 µs 176 µs
56 µs 88 µs
28 µs 44 µs
14 µs 22 µs
16 µs, 32 µs, 48 µs, 64 µs
25 bits
208 µs
104 µs
52 µs
26 µs
S7-300 Module data
Manual, 06/2017, A5E00105505-AJ