Seneca Z-8AI, 8-ch Analogue Input ModBus

Description:

The Seneca Z-8AI has 8 configurable single ending analogue inputs with one single common for the 8 input signals. Each input is independently configurable in Current or Voltage. The Z-8AI also features four 100 Ω resistors for use as shunt resistors for current inputs. Configuration of the device including communication and sampling time used is done using the Z-NET or Z-PROG software.

Specification:

• Voltage Input: ±10 V or ±2 V scales
• Impedance: 100 kΩ
• Resolution: 14/13 bit + sign
• Current Input: ±20 mA
• Impedance: 100 Ω, external shunt
• Resolution: 14/13 bit + sign
• Power Consumption:
• 1 W at 24 V, 2.5 W max.
• Isolation 1500 Vac, Field to Logic
• LED Status Indicator: Error, Power, RX & TX
• Communications Port:2 Wire RS-485
• Speed (baud) 9600, 19,200, 38,400, 57,600
• Sampling Time 400 ms at 14 bit, 200 ms at 13bit
• Protocol Modbus RTU
• Input Voltage Current
• Calibration Error 0.1% 0.2%
• Linearity 0.02% 0.02%
• Zero Stability 0.02% 0.02%
• Thermal Stability 0.01%/ °C 0.01%/ °C
• Operating Temp 0 to 55 °C (32 to 131 °F)
• Humidity 30 to 90% at 40 °C non-cond.
• Compact 35mm DIN Rail mounting design, just 100 x 112 x 17.5 mm
• Detachable "plug in" screw terminals
• Sensor Supply:
• 20 V at 40 mA max.
• Power Supply:
• 10 to 40 Vdc or 
• 19 to 28 Vac 
• 50 or 60 Hz