PROFIBUS RS485-IS Module

Product description:

Introduction

The RS 485-IS barrier is the only available product for remotely monitoring IS segments over Ethernet from the safe zone. Because of the permanent mounting of the barrier, the user does not have to touch the installation anymore. This avoids hot permits and other paper work.

As an alternative it can also be used as a busmonitor on existing IS segments created by 3rd party barriers. The IS barrier can be mixed on the backplane with other ComBricks modules like, the PROFIBUS PA, Fiber Optic and regular RS 485 modules.

The Barrier is intended to be installed outside the hazardous area or in an enclosure with a suitable type of protection. A special IS DB9 PROFIBUS plug is required that contains a terminator defined in the RS 485-IS PROFIBUS Installation Guideline.

Electrical and Mechanical

• 1 Bus channel
• 31 devices/busloads per channel
• 1200 m cable length (depends on baudrate)
• 1 DB9 connector
• Wire diameter (for the screw terminals): < 1.5 mm2
• Wire type: stranded or solid core

Protocol

• Transparent for all PROFIBUS protocols
• 9.6 kbps - 1.5 Mbps (auto detection)
• 2 bits delay time (12 bits in redundant mode)
• No address required
• Bus redundancy (selectable)
• Delay time jitter: Max. ¼ Tbit

ATEX (electrical)

• Uo = 4.2 V
• Io = 149 mA
• Ui ≥ 4.2 V
• Li ≈ 0 μH
• Ci = Negligibly small
• Output characteristic: Linear

ATEX (compliance)

• II (2) G [Ex ia Gb] IIC
• EN-IEC60079-0: 2012
• EN-IEC60079-11: 2012
• EN-IEC60079-25: 2010
• Certification number: DEKRA 12ATEX0192
• Compliant with the PNO RS 485-IS Installation Guidelines V1.1

Oscilloscope

• Frequency: 192 MS/s
• Resolution: 27 mV
• Differential range: -3.49..+3.49 V

Backplane

• 4 Networks selectable with switches
• 10 Modules (positioned in the first 10 slots)
• 450 mA current consumption
• Power supply: provided through the backplane

Others

• Operating temperature: 0..60 °C
• Dimensions (LxWxH): 115 x 100 x 25 mm (without backplane)
• Weight: 150 g
• Head station firmware: 1.272 and higher

procentec.com/products/combricks/modules/profibus-rs485-is-module/

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