ABB DP820 Pulse Counter Balanced Inputs For Connection
DP820 is an two-channel pulse counting module for incremental pulse
transmitters up to 1.5 MHz. Each channel contains counters and
registers for position/length and speed/frequency measurement. Each
channel provides three balanced inputs for connection of a pulse
transmitter, one digital input and one digital output. Pulse
transmitters with RS422, +5 V, +12 V, +24 V and 13 mA interfaces
can be connected to DP820.
Use DP820 with Module Termination Units TU810V1, TU812V1, TU814V1,
TU830V1, TU833.
| Article number | 3BSE013228R1 |
| Type | Pulse counter |
| Signal specification | 24 V d.c. (12 - 32 V d.c.) |
| Number of channels | 2 |
| HART | No |
| SOE | No |
| Redundancy | No |
| High integrity | No |
| Intrinsic safety | No |
| Mechanics | S800 |
| Input impedance | 2.5 kΩ (DI-input) |
| Isolation | Individually isolated, channel-to-channel and to circuit common |
| Error | Max. frequency measurement error Relative error Absolute error
(Temperature drift included): [320/(MEASTIMEx in ms)] ppm
[(320/(MEASTIMEx in ms) +100] ppm |
| Current limiting | Sensor power can be current limited by the MTU |
| Maximum field cable length | 200 meters (218 yards) |
| Rated insulation voltage | 50 V |
| Dielectric test voltage | 500 V a.c. |
| Power dissipation | 2.5 W |
| Current consumption +5 V Modulebus | 120 mA |
| Current consumption +24 V Modulebus | 0 |
| Current consumption +24 V external | 0 |
Features and benefits
- Two channels
- Interface for RS422, 5 V, 12 V, 24 V and 13 mA transducer signal
levels
- Simultaneous pulse count and frequency measurement
- Pulse count (length/position) by accumulation in a bidirectional 29
bit counter
- Frequency (speed) measurement 0.25 Hz - 1.5 MHz
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EMERSON, FISHER-ROSEMOUNT, HONEYWEL, ABB, ALLEN-BRADLEY/AB,
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MITSUBISHI, YAMATAKE/AZBIL, FOXBORO...
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