Product Description
Manufacturer: BACHMANN
Model/Part Number: CNT204, CNT204/R, CNT204/H
Description: Counter Modules
Features:
- Number of Counter Inputs: 4 (for single-channel pulse encoders, zero initiators, triggers)
- Number of Incremental Encoders: 2 input channels (HTL and/or RS422)
- Encoder Power Supply: Direct from the module via the connectors
- Inputs Can Be Synchronized
Incremental Encoder Inputs:
| Parameter | Specification |
|---|---|
| Quantity | 2 |
| Counter Resolution | 32 bit |
| Input Signals | A-, A+, B-, B+, N-, N+ |
| Signal Evaluation | 1-/2-/4-edge evaluation or pulse direction mode |
| Max. Input Frequency | 1 MHz (RS422), 300 kHz (HTL) |
| Input Filter | 185 kHz to 6 MHz (adjustable), default 6 MHz |
Counter Inputs:
| Parameter | Specification |
|---|---|
| Quantity | 4 (2 if INC inputs are used) |
| Counter Resolution | 32 bit |
| Max. Input Frequency | 20 kHz |
| Min. Pulse Length | 25 µs |
| Input Filter | 183 Hz to 46.88 kHz (adjustable), default off (fg=100 kHz) |
| Encoder Power Supply | +5 V or +24 V |
| Tolerance | ±5 % (like Uext) |
| Max. Current per Encoder | 200 mA (5 V) / 300 mA (24 V) |
| Ripple | < 150 mVss (like Uext) |
| Short Circuit Proof | Yes, permanent |
External Power Supply:
- Power Supply: 18 .. 34 V DC
- Current Consumption (Internal): 40 mA at 24 V + 1.2x current consumption of the encoders
- Reverse Polarity Protection: Yes
Ambient Conditions:
| Condition | Specification |
|---|---|
| Operating Temperature | -30 .. +60 °C |
| Relative Humidity (Operation) | 5 .. 95 % (without condensation), 5 .. 95 % (with condensation) |
| Storage Temperature | -40 .. +85 °C |
| Relative Humidity (Storage) | 5 .. 95 % (with condensation) |
Execution Variants:
- CNT204/H: Counter module; 2x INC HTL 300kHz + 2x counter HTL 20kHz or 4x counter HTL 20kHz; HTL = 24V; 32-bit; INC A, A/B/N; position; phase difference; period; trigger; isolated
- CNT204/H❉: Like CNT204/H; ColdClimate (❉)
- CNT204/R: Counter module; 2x INC RS422 1MHz + 2x counter HTL 20kHz or 4x counter HTL 20kHz; HTL = 24V; 32-bit; INC A, A/B/N; position; phase difference; period; trigger; isolated