Jetter JM-208-480-OEM, User Manual, Page: 107 / 128

JetMove 208-480 14.1 Description
Jetter AG 107
14 Counting Input (Option)
14.1 Description
For the JetMove 208-480, an optional integrated counter card can be ordered (article
designation of the device: JM-208-480...-CNT). It supplies a counting input equipped
with the following interface:
• EnDat 2.2 by Heidenhain
• Synchronous Serial Interface (SSI)
• Incremental counter
The received or counted value of an actual position can be read via a JetMove
register by the controller program or processed by the firmware of the JetMove in the
controllers.
Yet, the actual position of an SSI encoder cannot be used for position control. It only
indicates the position of the leading axis.
14.2 EnDat 2.2
14.2.1 Technical Data
Technical Data of the Input EnDat 2.2
Encoder types Single-, multiturn, or linear absolute encoders
Scanning 62.5 µs
Baud rate 8 MHz
Maximum cable length 100 m
Type of signal 5 V differential signal
Input impedance 22 k
Bus termination 120 integrated resistance
Electrical isolation None
Ω
Ω