Siemens SIMATIC TDC - Page 119

Signal modules
5.1 SM500 signal module
SIMATIC TDC hardware
System Manual, 08/2017, A5E01114865-AL
119
Interrupt reset output
• Short-circuit protection to
– Ground
– External power supply
• Short-circuit current, max.
yes
No
20 mA
Interrupt input
Input voltage
• Valid range
• 0 signal, max.
• 1 signal, min.
Input current
• 0 signal, min.
• 1 signal, min.
0 V to 5 V
< 0.5 V
> 2.0 V
-2.8 mA
-1.6 mA
Absolute encoders
Number
4
Version
Differential inputs, RS485 signal level
Connectable types
Log files
SSI, EnDat
Data formats
Gray code, binary
Data direction
• Unidirectional
• Bidirectional
SSI: Unidirectional
EnDat : Bidirectional
Data bits SSI: 25 + parity
EnDat : variable
Pulse frequency, max.
2 MHz
Electrical isolation
No
Input voltage
RS485 signal level
Sensor supply voltage
Version
Typical output voltage
13.5 V
Output current, max. 150 mA (short circuit-proof, short-circuit current
approx. 250 mA)
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