IT251: Universal Level Converter / Direction Decoder / Signal Splitter
The IT251 has been discontinued as of 31.07.2019. The IT210 offers a complete replacement. More details of IT210 ...
IT251 is a universal interface for use with incremental encoders and measuring systems. The device allows TTL / RS422 to be converted to HTL and vice versa, the precise division of dual channel encoder pulses with an adjustable ratio of 1 : 1 to 1 : 4096 and the separately programmable division of the zero pulse. Furthermore, this device type can be used for the conversion between the three current display modes for the direction of rotation (A, B, 2 x 90°, A = pulse and B = direction, A = forward / B = backward). All settings are made using four 8-pin DIL switches, which are easily accessible on the housing. There is no potential separation between input and output.
The device is housed in a compact housing with 9-pin SUB-D connectors as well as 12 screw terminals and a snap-on device for fast DIN rail.
- Pulse input with format A, /A, B, /B, Z, /Z [RS422]
- Pulse input with format A, B, Z [HTL]
- Input frequency up to 300 kHz
- Pulse output with format A, /A, B, /B, Z, /Z [RS422]
- Pulse output with format A, B, 90° [HTL]
- Power supply 18 ... 30 VDC
- Snap-on housing for top hat rail (according to EN 60715)
- Setup by DIL-switches
- The level converter also contains a dual channel, programmable frequency divider or pulse splitter for the error-free division of the input pulses in a ratio of 1: 1 to 1: 4096
- Separately programmable divider for the zero pulse as well as programmable formats for the direction of rotation detection
- 24 V power supply units for the level converter (see accessories)
Declaration of Conformity
File type: pdf, File size: 160 KB
File type: pdf, File size: 481 KB
Data Sheet IT251
File type: pdf, File size: 146 KB
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