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overview：
ABB LDGRB-01 3BSE013177R1 Analog I/O Module is a mixed analog I/O card from the ABB S800 I/O family. This module connects to the Profibus DP bus and installs on matching S800 I/O terminal units. It handles analog input and analog output signals for field instruments in distributed control systems.
Fuctions & Features:
- Mixed 4 analog input and 4 analog output channels
- Supports 4-20 mA signal for field transmitters and actuators
- Profibus DP communication interface, baud rate up to 12 Mbit/s
- Channel-to-bus isolation rated at 500 V
- Station address configurable via front rotary switch
- 24 V DC power supply sourced from the matched terminal unit
- Snap-fit mounting structure for S800 terminal units
- IP20 rating when installed on the terminal unit
- Works alongside other S800 I/O cards on the same Profibus DP segment
Specification:
| Item | Value |
|---|---|
| Part Number | 3BSE013177R1 |
| Model | LDGRB-01 |
| Product Type | Mixed Analog I/O Module |
| Number of AI Channels | 4 |
| Number of AO Channels | 4 |
| Signal Type | 4-20 mA |
| Input Impedance | 250 Ω |
| Output Load Range | 0 – 600 Ω |
| Internal Supply | 24 V DC from terminal unit |
| Isolation | Channel to bus isolation, 500 V |
| Bus Interface | Profibus DP |
| Baud Rate | Up to 12 Mbit/s |
| Operating Temperature | 0 °C to +60 °C |
| Storage Temperature | -40 °C to +85 °C |
| Pollution Degree | 2 |
| Dimension (H × W × D) | 125 mm × 35 mm × 105 mm |
| Weight | 0.22kg |
Model Comparison
| Part Number | Model | Type | Channel Layout | Key Difference |
|---|---|---|---|---|
| 3BSE013177R1 | LDGRB-01 | Mixed Analog I/O | 4AI / 4AO, 4-20mA | This item, standard mixed I/O for S800 |
| 3BSE013178R1 | LDGRB-02 | Mixed Analog I/O | 4AI / 4AO | Different circuit layout, not direct replacement for LDGRB-01 |
| 3BSE008516R1 | AI801 | Analog Input | 8AI, 4-20mA / 0-10V | Input only, no analog output channels |
| 3BSE008522R1 | AO801 | Analog Output | 8AO, 4-20mA | Output only, no analog input channels |
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