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All users must read this entire manual to fully understand the safe use of AD-900. Recycling This symbol indicates that the waste of electrical and electronic equipment must not be disposed as unsorted municipal waste and must be collected separately.
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Introduction AD-900 is an A/D converter for connecting an external instrument to the UNICORN™ control system in an ÄKTAdesign system. The module has one high resolution analogue input for monitoring e.g. pressure, UV monitor signals or other signals available as voltage outputs.
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Unpack the module and check the items against the packing list. Inspect the items for obvious damage which may have occurred during transportation. CAUTION Before connecting the AD-900 make sure the power is switched OFF at the system pump or the complete system. 2.2 Installing AD-900...
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The power on-LED on AD-900 flashes for a few seconds when connecting the UniNet cable. The light gets steady when the communication with UNICORN is established. If more than one AD-900 module will be connected, set the ID switches as follows: Code 0...
Operation 3.1 On/Off AD-900 is on when connected to a UniNet 2 connector in a running ÄKTAdesign system. All interaction with the module is made through the UNICORN control system. A steady light from the green power on-LED indicates that the communication is established.
Troubleshooting If the suggested actions do not correct the fault, call Cytiva. Fault Action Check that the cables and connectors No response from AD-900 in UNICORN are properly connected. Noisy signal 1. Remove the protection cover from the unmarked wire (the thickest one).
Reference information 6.1 Description AD-900 is an A/D converter with one analogue input channel. The recommended input voltage range is ±2 V DC. The input channel is isolated from the UniNet 2 connection. The Mini-DIN connector has the following pin configuration:...
UniNet cable 0.7 m, a Mini-DIN cable 1.5 m 18-1148-62 Cable UniNet, 0.3 m 18-1109-73 Cable UniNet, 0.7 m 18-1109-74 Cable UniNet, 1.5 m 18-1117-75 Cable UniNet, 3.0 m 18-1109-75 Cable Mini-DIN, 1.5 m, 6-pole 18-1110-64 AD-900 Instructions 56314038 AD...
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