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The SS3148 module is able to acquire up to 12 digital inputs. The data are transmitted with MODBUS RTU/ASCII on RS-485 network.
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The SS3148 module is able to acquire up to 12 digital inputs. The data are transmitted with MODBUS RTU/ASCII on RS-485 network.
The 2000 Vac galvanic isolation between inputs, power supply and RS-485 serial line cancels any ground-loop effect noise, allowing the use of the device in worst ambient conditions.
The SS3148 is in compliance to the 89/336/EEC directive on the electromagnetic compatibility. The SS3148 is housed in a rough self-extinguishing plastic enclosure of 17,5 mm thickness, suitable for EN 50022 standard DIN rail.
The SS3148 is designed to work with the MODBUS RTU/ASCII protocol: standard protocol in field-bus; allows to directly interface SS3000 series devices to the larger part of PLCs and SCADA applications available on the market.
For the protocol and installation instructions, please see the Product Specifications Sheet and User Manual.
Typical @ 25°C and in the nominal conditions
Digital Inputs |
|
| Channels | 8 + 4 (Optional) |
| Input Voltage (bipolar) | OFF State: 0 to 3 V ON State: 10 to 30 V |
| Impedance | 4.7 KΩ |
| Sample Time | 20 ms |
| Data Transmission (asynchronous serial) | Baud Rate: up to 115.2 Kbps Max Distance: 1.2 Km - 4000 ft. |
| Power Supply Voltage | 18 to 30 Vdc |
| Power Supply Current Consumption | 35 mA @ 24 Vdc |
| Power Supply Polarity Inversion Protection | 60 Vdc max |
| Isolation Voltage | Input 0 to 7 - Input 8 to 11: 1500 Vac 50 Hz, 1 Min. Input - RS485: 2000 Vac 50 Hz, 1 Min. Supply - Input: 2000 Vac 50 Hz, 1 Min. Supply - RS485: 2000 Vac 50 Hz, 1 Min. |
| Operating Temperature | -10 to +60 °C |
| Storage Temperature | -40 to +85 °C |
| Humidity (non condensing) | 0 to 90 % |
| Housing Material | Self-extinguishing plastic |
| Mounting | EN-50022 DIN rail |
| Weight | ∼ 150 g |
| EMC | EN 61000-6-2 EN 61000-6-4 |
