Technical data
Order no. 238-2BC00
Type SM 238C, Digital In-/Output, Counter, Analog In-/Output
General information
Note -
Features 16 (12)x DI, DC 24 V
0 (4)x DO, DC 24 V, 1 A
Up to 3x Counter up to 30 kHz
4x AI 12 Bit
3x voltage, current
1x RTD
2x AO 12 Bit voltage, current
Current consumption/power loss
Current consumption from backplane bus 280 mA
Power loss 5.5 W
Technical data digital inputs
Number of inputs 16
Cable length, shielded 1000 m
Cable length, unshielded 600 m
Rated load voltage -
Current consumption from load voltage L+ (without load) -
Rated value DC 20.4...28.8 V
Input voltage for signal "0" DC 0...5 V
Input voltage for signal "1" DC 15...28.8 V
Input voltage hysteresis -
Frequency range -
Input resistance -
Input current for signal "1" 7 mA
Connection of Two-Wire-BEROs possible yes
Max. permissible BERO quiescent current 1.5 mA
Input delay of "0" to "1" 3 ms
Input delay of "1" to "0" 3 ms
Number of simultaneously utilizable inputs horizontal configuration 16
Number of simultaneously utilizable inputs vertical configuration 16
Input characteristic curve IEC 61131-2, type 1
Initial data size 16 Byte
