Unit installation

BMB01 – Installation Guide
1 Installation
Technical Specification Summary
Supply Voltage Range ........................................................................................................................................18 – 40 V DC
Current Consumption (max, all LED’s on)....................................................................................... 70 mA @ 24 V DC supply
Digital Outputs .........................................................................................................12 x active-low open-collector outputs
Open-collector Maximum Rated Current ............................................................................................................ 350 mA
Open-collector Maximum Voltage.............................................................................................................................60 V
Analogue Inputs.............................................. 12 x non-isolated analogue interfaces internally pulled up to 5 V by 4.7 kΩ
Digital Inputs.........................................12 x opto-isolated interfaces with built-in resistor to suit voltages of +12 to +40 V
Data Connection...................................................................................................................................EIA RS485 9600 baud
Temperature Range (Storage and Operating)................................................................................................-5 °C to +50 °C
Humidity Range........................................................................................................................ 0 % to 93 % non-condensing
Dimensions (H x W x D) ..............................................................................................................105 mm x 156 mm x 58 mm
Weight ..........................................................................................................................................................................300 g
Equipment and Tool Requirements
This BMB01.
A small flat bladed screwdriver.
A pair of wire cutters/strippers.
Suitable DIN rail for mounting (35 mm symmetrical “top-hat” type).
External Cabling Requirements
Signals Cable Description Suggested Type
Data 1 x 2-core twisted, screened Suitably rated foil screened cable
Power 1 x 2-core Suitably rated cable
Analogue inputs Multicore, screened Suitably rated foil screened cable
Digital inputs Multicore Suitably rated cable
Digital outputs Multicore Suitably rated cable
1) Screened cable must be used for the RS485 data connections and analogue input connections.
2) The maximum recommended distance for the RS485 data link is 1 km.
3) Refer to BS7671:2008 (Requirements for Electrical Installations) or other appropriate local
standards for guidelines on maximum potential cable lengths given the actual installation
parameters.
Issue: 02 Complete, Approved
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