Datalink Corporation
Datalink RS485/P Series RS232C⇔RS485 Converter
Manufacturer: DataLink
Model: RS485/P Series
Features
- This is an RS232C⇔RS485 converter that operates without the need for an external power supply, drawing power from the RS232C signal line.
- An optional AC adapter can also be used if needed.
- The RS232C side uses a Dsub9-pin female connector with a DCE arrangement.
- The RS485 side is equipped with a compact 5-pin terminal block (insertion screw type) for easy wiring.
Specifications
| RS232C side: Dsub9 female (DCE arrangement) | RS485 side 5P small terminal block | No power supply | Maximum communication speed 115.2Kbps | – | – | – | – |
◆ General Characteristics
| Model | RS485/N | RS485/PN | RS485/PV | CD485/V series (also ROHS) | CD485 series (also ROHS) | RS485/P |
|---|---|---|---|---|---|---|
| Maximum communication speed | 115.2Kbps | 38.4Kbps | 115.2Kbps | 38.4Kbps | 38.4Kbps | 115.2Kbps |
| Maximum number of connections | 32 units | 32 units | 32 units | 32 units | 32 units | 32 units |
| External dimensions (mm) | W33/H16.5/D63.5 | W33/H16/D63 | W33/H16/D63 | W32/H16.5/D63.5 | W53/H19/D64 | W53/H19/D64 |
| Weight (g) | Approximately 25g | Approximately 24g | Approximately 24g | Approximately 25g | Approximately 45g | Approximately 45g |
| Maximum Transmission Distance | 1200m | 1200m | 1200m | 1200m | 1200m | 1200m |
| Current consumption (maximum at 5V) | 25mA or less /5V | 25mA or less /5V | 75mA or less /5V | 90mA or less /5V | 90mA or less /5V | 70mA or less /5V |
| CD signal monitoring | – | – | can be | can be | can be | – |
| Insulation Function | can be | can be | can be | can be | can be | can be |
| RS232C side | Dsub9 pin female (DCE) | Dsub9 pin female (DCE) | Dsub9 pin female (DCE) | Dsub9 pin female (DCE) | Dsub25 pin male (DCE) | Dsub25 pin male (DCE) |
| RS485 side | 5P small terminal block | 5P small terminal block | 5P small terminal block | 5P small terminal block | 5P terminal block | 5P terminal block |
| Power supply | No power supply (powered from RS232C line) or AC adapter (sold separately) | No power supply (power taken from RS232C signal line) | AC adapter included as standard | AC adapter included as standard | Power supply from pins 9/14 or optional AC adapter | External power supply (AC adapter) or power supply from pins 9/14 |
| Termination Resistor | Can be set on terminal block | Can be set on terminal block | Can be set on terminal block | CD485/VT (390Ω) CD485/VF (390Ω) | Can be set on terminal block | Can be set on terminal block |
| Noise Countermeasures | Surge absorber | Surge absorber | Surge absorber | Surge absorber | Surge absorber | Surge absorber |
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