London Electronics Fusion Series, Connection Details, Scaling And General Information

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Equipment Specifications
Case Depth 75 mm including connectors
Case Material Black uPVC
Connectors Detachable Screw Terminal connectors
Environmental Storage Temperature range -20 to +70C, non condensing
Operating temperature range 0 to 50C, non condensing
Sealed IP65 all round when glands are mounted on lower surface
Power 100-240 VAC, 45 to 60Hz or 11-30 VDC optional
Burden 50VA maximum
Input Signals (bipolar) 4 or 6 wire loadcell up to +/-40mV
Input Resistance >10 Megohms
Accuracy +/-0.05% of range
Span tempco 25 ppm/Degree Celsius
Zero Tempco 30 ppm/Degree Celsius
Excitation voltage 10VDC nominal rated at 120mA. Must connect to Sense.
Excitation Sense Ratiometric, 4V absolute minimum allowed after line drops
Filtering / smoothing Selectable time constants of 0 to 5 seconds.
A/D conversion Sigma-Delta 10 conversions per second, 50/60Hz rejection
Resolution 1 in 400 000 max. over full range
Display update rate 10 readings per second.
Display Range (max) -1999 to +9999, depending on available signal level.
Plug-In Output Options
Analogue O/P
0-10VDC 0-20mA 4-20mA
Drive capacity >1K Ohms <500 Ohms <500 Ohms
Isolation 250 VAC Optically isolated
Accuracy +/-0.1% range, +/-10mV for ANV, +/-10uA for ANI, 50ppm/C stab.
Linearity +/-0.02% of range
Resolution better than 0.2mV for 10v, 0.4uA for 20mA range
Scaling Fully adjustable, direct or inverse
Alarm Relay O/P 2 or 4 alarms SPST rated 2 Amperes at 250 VAC,
resistive load. All relays must switch power from the same phase.
Selectable normally open or normally closed by on-board
switches.
Selectable energise or de-energise on trip by menu
Independant hysteresis on each alarm relay.
ASCII Data O/P RS232 or RS485 ASCII Value of reading.
Format 1 start bit, 8 data, no parity. <Measurement><CR>
Isolation 250 VAC optically isolated