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DUAL TRIP AMPLIFIER

Type 112-2A-2

User Guide

Document Ref: UD112-2A-2.vp Rev 1

Summary of Contents for 112-2A-2

Page 1: ...DUAL TRIP AMPLIFIER Type 112 2A 2 User Guide Document Ref UD112 2A 2 vp Rev 1...

Page 2: ...ood instrumentation practice must be observed when wiring to the unit to ensure segregation of supply and signal wiring and the use of suitably screened signal cabling WARNING This unit can be mains p...

Page 3: ...le These units are identified by 112 2A 080 on the PCB adjacent to hysteresis pots Two Input Option Where two separate inputs are specified the transducer supply is not available but is replaced by a...

Page 4: ...ug in module into the base section and secure with the retaining screws NB do not over tighten Internal Controls and Links Interlocked Output This mode is enabled by LK5 see Fig 1 Two modes of interlo...

Page 5: ...ck Enabled 240v link 2 3 4 5 220v link 2 5 110v link 2 6 1 5 sleeved Mains Supply Transformer or DC Power Unit AC Supply 100mA quick blow DC Supply 250mA anti surge Fuse Set Channel B Hysteresis Set C...

Page 6: ...ched when it would switch off The pump would then remain switched off until the low trip point was reached Setting up To set up the unit to operate with an interlock triggered by a Low Level 1 Ensure...

Page 7: ...the unit to operate with an interlock triggered by a High Level 1 Ensure Link 5 is set correctly see page 4 2 Set SW A to Low L 3 Set SW B to High H The front panel controls function as follows For th...

Page 8: ...tering is incorporated to reject RF and other industrial noise Supply Voltage Rejection Span change 0 01 span supply change Series Mode AC Rejection A hysteresis setting of 1 will reject 50 60Hz serie...

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