2 to 6 analog channels
Multiplexer (Input Selector)
100KΩ, 1MΩ or >100MΩ, programmable
Common mode range: ±3.5V or ±35V on 30V range
Note: cannot mix low voltage (e.g. thermocouples) with
high voltage (e.g. 0-10V) inputs.
Sampling for accuracy and noise rejection by integrating
over 50/60Hz line period.
Maximum sample speed: 25Hz
Effective resolution: 18 bits
Common mode rejection 30mV range: >90dB
Line (50/60Hz) series mode rejection: >35dB
4.5V, 250μA or 2.5mA or Switched external supply.
Supports a wide range of sensors including, but not
limited to, those listed below. A wide range of sensor
scaling and linearising facilities including polynomials,
expressions and functions.
Types: B, C, D, E, G, J, K, N, R, S, T
Calibration standard: ITS-90
Materials supported: Pt, Ni, Cu
Resistance range: 10Ω to 10KΩ
Number of channels: 4 Bi-directional channels for
state & count input or state output.
Input Type: 4 logic level (max: 10Hz, 3 x 30V, 1 x 20V)
Measure state or low speed counts
Low speed counters do not function in sleep mode.
Output Type: 3 with open drain FET
(max: 30V, 100mA), 1 with logic output.
1 latching relay (max: 30Vdc, 1A)
Dedicated Counter Inputs
Number: 4 high speed counters or 1 phase encoder
(quadrature) inputs (max: 10kHz, 2 x ±30V, 2 x ±10V).
2 Counters have 10mV sensitive inputs for magnetic pick-ups.
Size: 32 bit
Number: 1 SDI-12 input, shared with digital channel.
Serial Sensor Channel
One channel available and programmable to allow data
to be logged from smart sensors and data streams.
Shared with Host Port: RS232 only*
Handshake lines: RTS, CTS
Baud rate: 300 to 115200