Resource Data Management PR0018-PHI Betriebsanweisung PDF herunterladen (Seite 26)

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Warning

Please Note

The specifications of the product detailed on this

Set-Up Guide may change without notice. RDM

Ltd. shall not be liable for errors or for incidental

or consequential damages, directly and indirectly,

in connection with the furnishing, performance or

misuse of this product or document.

Ensure that all power is

switched off before

installing or maintaining

this product

Mercury 3 M & E Installation Guide

www.resourcedm.com

Example of resistor fitted on a probe input.

Switched Resistor Example Wiring

Installation & Dimensions

Panel Cut-out and Clearances

Approx. Weight

177 grams

Safety

EN61010

EMC

EN61326:2013

Ventilation

There is no requirement for forced cooling ventilation

Class 2 Insulation

No protective Earth is required and none should be fitted

Supply Fuse

The host equipment must provide a suitable external over-current protection device such

as: -

Fuse: 2A 240 Vac Anti-surge (T) HRC conforming to IEC 60127

Or MCB

2A, 240 VAC Type C conforming to BS EN 60898

Relay Specification

Relays 1 - 4 Mechanical Type (M) - Exclusive common

Max current

6A Resistive (CosØ = 1)

2A Inductive ( CosØ = 0.4)

Max voltage

250Vac, 30V dc

Relay 1 Solid State Type (E) - Exclusive common

Max current

1.5A

Max voltage

250Vac (ac only, will not switch dc)

Relay 5 Mechanical Type (M&E) – Exclusive common

Max current

3A (non inductive), COS=0.4 2A (inductive load) 200,000 operations

Max voltage

250Vac

For compliance with the LVD, All relay commons must be at the same potential as the supply voltage

Inputs

Probe Input resistance

3.01K Ohms (for PTC or NTC type probes)

Probe Input type

Selectable. See: Units

Transducer 0-10V

Connect a 0-10v signal

Transducer 4-20mA

4-20mA current loop, uses the 12 Vdc output to feed the pressure transducer See wiring

Digital Inputs

Volt Free

Comms

Serial Variant

RS232 with flow control

Ethernet Variant

IP comms

Connect to remote switch or relay

Probe Ground

Probe Signal

1 2 ... 21 22 23 24 25 26 27 28 29

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