Siemens SIMATIC ET 200SP Manual page 53

Encoder signals, incremental encoders (asymmetrical)
Input voltage
Input frequency, max.
Counting frequency, max.
Signal filter, configurable
Incremental encoder with A/B tracks, phase-shifted by 90°
Incremental encoder with A/B tracks, phase-shifted by 90°,
and zero track
Pulse encoder
Pulse encoder with direction
Pulse encoder with one pulse signal per count direction
Encoder signals, absolute encoder (SSI)
Input signal
Frame length, configurable
Clock frequency, max.
Binary code
Gray code
Cable length shielded, max.
Parity bit, configurable
Monoflop time
Multi-turn
Single-turn
Interface hardware
RS422
TTL 5 V
Isochronous mode
Isochronous mode (application synchronized until terminal)
Interrupts/diagnostics/status information
Activation of substitute values
Interrupts
Diagnostic interrupt
Hardware interrupt
Diagnostic messages
Monitoring of supply voltage
Wire break
Short circuit
A/B transition error with incremental encoder
Frame error with SSI encoder
Group error
Technology module TM PosInput 1 (6ES7138-6BA00-0BA0)
Manual, 02/2014, A5E33015755-AA
6ES7138-6BA00-0BA0
5 V TTL (only push-pull encoders)
1 MHz
4 MHz; with quadruple evaluation
Yes
Yes
Yes
Yes
Yes
Yes
to RS 422
10 ... 40 bits
2 MHz; 125 kHz, 250 kHz, 500 kHz, 1 MHz, 1.5 MHz or 2
MHz
Yes
Yes
320 m; Cable length, RS-422 SSI absolute encoders,
Siemens type 6FX2001-5, 24 V supply: 125 kHz, 320
meters shielded, max.; 250 kHz, 160 meters shielded, max.;
500 kHz, 60 meters shielded, max.; 1 MHz, 20 meters
shielded, max.; 1.5 MHz, 10 meters shielded, max.; 2 MHz,
8 meters shielded, max.
Yes
16, 32, 48, 64 µs & automatic
Yes
Yes
Yes
Yes
Yes
Yes; configurable
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Technical specifications
53