Gocator 2300 & 2880 Series
Specifications • Gocator 2300 &2880 I/O Connector • 411
Active Low
To assert the signal, the digital input voltage should be set to draw a current of 3 mA to 40 mA from
Trigger_In+. The current that passes through Trigger_In+ is I = (Vin – 1.2 – Vdata) / 680. To reduce noise
sensitivity, we recommend leaving a 20% margin for current variation (i.e., uses a digital input voltage
that draws 4mA to 25mA).
Function Pins Min Voltage Max Voltage Min Current Max Current Min Pulse Width
Trigger_in D, H 3.3 V 24 V 3 mA 40 mA 20 us
Encoder Input
Encoder input is provided by an external encoder and consists of three RS-485 signals. These signals are
connected to Encoder_A, Encoder_B, and Encoder_Z.
Function Pins
Common Mode Voltage Differential Threshold Voltage
Max Data Rate
Min Max Min Typ Max
Encoder_A M, U -7 V 12 V -200 mV -125 mV -50 mV 1 MHz
Encoder_B I, K -7 V 12 V -200 mV -125 mV -50 mV 1 MHz
Ecnoder_Z A, L -7 V 12 V -200 mV -125 mV -50 mV 1 MHz
Gocator only supports differential RS485 signalling. Both + and - signals must be connected.
Encoders are normally specified in pulses per revolution, where each pulse is made up of the
four quadrature signals (A+/ A- /B+ / B-). Because Gocator reads each of the four quadrature
signals, you should choose an encoder accordingly, given the resolution required for your
application.
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