Product Description
Manufacturer: BACHMANN
Model/Part Number: DA3284-C
Description: Analog and digital input/output module
Analog Inputs
- Quantity: 8
- Selectable Measuring Ranges (per channel): ±10V, ±1V, Pt100, Pt1000 (-100°C to +500°C), 0(4)–20mA
- Resolution: 14-bit
- Sampling Rate: <1ms for all channels (500µs)
- Input Cutoff Frequency: 750Hz (3dB)
-
Basic Accuracy (at 25°C):
- Voltage: 0.05%
- Current / Pt100 / Pt1000: 0.1%
-
Error Over Entire Temperature Range:
- Voltage: 0.2%
- Current / Pt100 / Pt1000: 0.2%
- Error Detection: Cable break (voltage), current, or temperature error
Analog Outputs
| Parameter | Specification |
|---|---|
| Quantity | 4 |
| Selectable Measuring Ranges | ±10V, 0(4)–20mA configurable |
| Resolution | 14-bit |
| Conversion Time | Depends on CAN protocol |
| Basic Accuracy (at 25°C) | Voltage: 0.05% Current: 0.2% |
| Error Over Entire Temp. Range | Voltage: 0.1% Current: 0.4% |
| Error Detection | Load error |
Digital Inputs
- Quantity: 16 (max. 32)
- Input Delay: 500µs (default, adjustable filter)
- Input Current: 3mA at +24V DC (typical)
- Input Type: Type 1 (IEC 61131)
- Status Display: Green LED
- Connection Technology: 3-wire (+/−/signal)
Counter Functions
- Channels: 2 (Digital input channels 1 and 2)
- Max Frequency: 5kHz
-
Modes:
- Infinite up/down
- One-time up/down (to/from reference value)
- Periodic up/down (to/from reference value)
- Functions: Counting, speed measurement (period duration, gate time)
Digital Outputs
| Parameter | Specification |
|---|---|
| Quantity | 16 |
| Supply Voltage | 18–34V DC |
| Isolated Output Blocks | 1–12, 13–24 |
| Nominal Output Current | 0.5A |
| Max Output Current per Block | 8A (total), 4A (per block) |
| Switching Frequency | 500Hz (resistive load) |
| Short-Circuit Protection | Yes |
| Error Detection | Short circuit/excess temperature (by block) |
| Power Supply per Block | ≤16.5V |
| Status Display | Green LED |
| Connection Technology | 3-wire (+/−/signal) |
CAN Interface
- Communication Profile: CANopen DS 301, DS 401
- Status LEDs: RUN (guarding), INIT, ERROR
- Transfer Rate: 10–1000 Kbaud (adjustable via rotary switch)
- Connection: 2× 9-pin D-Sub
- Module ID: 1–127 (configurable via rotary switch or software)
- Galvanic Isolation: 500V RMS
- Terminating Resistance: 123Ω (external)
Input/Output Connection Technology
- Digital Inputs/Outputs & Supply: Phoenix Contact MINICOMBICON RM 5.8 (with flange)
- Connection Types: Screw clamp, spring tension clamp, crimp
- Analog Inputs/Outputs: Phoenix Contact MINICOMBICON RM 3.5 (with flange)
- General Connection Features: Plug codable, labeled by channel
Operating Conditions
| Parameter | Specification |
|---|---|
| Voltage Range | 18–34V DC |
| Current Consumption | ≤270mA at +24V DC (module supply + load) |
| Reverse Polarity Protection | Yes |
| Galvanic Isolation | CAN Bus Module: 500V RMS I/O Channels: None |
| Operating Temperature | -30°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Relative Humidity (Operation) | 5–95% (with/without condensation) |
| Relative Humidity (Storage) | 5–95% (with condensation) |
Model Variants
-
DA3284-C: CAN slave universal I/O module with:
- 16× DI, 16× DIO (24V/0.5A)
- 4× AO (±10V, 20mA)
- 8× AI (±10V, ±1V, 20mA, Pt100/Pt1000)
- CAN/CANopen, 2× D-Sub 9 (In/Out), up to 1Mbit/s
- DA3284-C❉: ColdClimate variant of DA3284-C