dataTaker DT80, Руководство пользователя

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UM-0085-B09 DT80 Range User Manual Page 381
RG
Input Characteristics
Terminal Limit min typ max unit
1D-4D
( 1D-3D for DT81/82)
Input terminal voltage -0.6 - 30 V
Input high voltage 2.2 - - V
Input low voltage - - 0.8 V
5D-8D
(4 D for DT81/82)
Input terminal voltage -0.6 - 20 V
Input high voltage 2.2 - - V
Input low voltage - - 0.8 V
Low speed counter input frequency - 25 Hz
Low speed counter input pulse width 20 - ms
Warning:
Exceeding input voltage limits may cause permanent damage.
Output Characteristics
Terminal Limit min typ max unit
1D-4D
( 1D-3D for DT81/82)
Output sink current (output low) - - 100 mA
Output high voltage (no load) - 4.1 - V
Pull up resistance - 47k - Ω
5D-8D
(4 D for DT81/82)
Output high voltage - 4.1 - V
Pull down resistance - 200k - Ω
1RELAY Contact rating @ 30Vdc - - 1.0 A
High Speed Counter Inputs
Input Characteristics
Terminal Limit min typ max unit
1C-2C
Input terminal voltage -10 - 10 V
Input high voltage – counter mode, e.g. 1HSC
2.2 - - V
Input low voltage – counter mode - - 0.8 V
Input high voltage – phase encoder mode, e.g. 1PE
3.0 - - V
Input low voltage – phase encoder mode - - 0.8 V
Input high voltage – low threshold option, e.g.
1HSC(LT)
80 - - mV
Input low voltage – low threshold option - - 20 mV
Input frequency – relay/switch input - - 500 Hz
Input frequency – 3V p-p logic input - - 25k Hz
3C-4C
5C-7C
Input terminal voltage -30 - 30 V
Input high voltage – counter mode, e.g.
3HSC
2.2 - - V
Input low voltage – counter mode - - 0.6 V
Input high voltage – phase encoder mode, e.g.
2PE
(DT80) 3.0 - - V
Input low voltage – phase encoder mode - - 0.8 V
Input frequency – relay/switch input - - 500 Hz
Input frequency – 3V p-p logic input - - 25k Hz
Warning: Exceeding input voltage limits may cause permanent damage.
Serial Channels
Number of Ports
Item DT81 DT82E DT82EM DT82I DT80 DT80LM DT85 DT85LM
SDI-12 network connections (shared with digital I/O) 1 1 1 - 4 4 4 4
Total possible SDI-12 sensors 10 10 10 - 40 40 40 40
RS232/422/485 serial sensor port (shared with host
communications)
- - - 1 1 1 1 1
RS232 serial sensor port (shared with host
communications)
1 1 - 1 1 - 1 -
USB port (shared with host communications) 1 - - - 1 1 1 1