Description
The I-87018ZW provides 10 differential Analog Input channels capable of measuring Voltage, Current (using external 125R Resistors) or Thermocouples.
This unit also provides 240Vrms Over Voltage Protection and Open Thermocouple Detection.
I-87018ZW with DB-1820 (supplied - main image).
I-87018ZW / DN-1822 with optional CD-2518D (1.8m) cable. Please call for pricing.
Features
- 240Vrms Over Voltage Protection
- Open Thermocouple Protection
- Accurate Measurement
- Supplied with DB-1820 Connection board
Specifications
Analog Input
- Input Channels : 8 Differential
-
Input Type : +/- 2.5V, +/- 1V, +/- 500mV, +/- 100mV, +/- 50mV, +/- 15mV,
+/- 20mA, 0 ~ +20mA, 4 ~ 20mA (needs optional 125 ohm resistor, see Recommended Products section below),
Thermocouple (J, K, T, E , R, S, B, N, C, L, M, LDIN43710) - Resolution : 16-bit
- Sampling Rate : 10 samples/sec (total)
- Accuracy : +/- 0.1% of FSR
- -3dB BandWidth : 15.7Hz
- Zero Drift : +/- 0.5 u V/ °C
- Span Drift : +/- 25 ppm/ °C
- Common Mode Rejection : 150dB min
- Normal Mode Rejection : 100dB
- Input Impedance : 20M ohms
- Over Voltage protection : 240Vrms
- Open Thermocouple Detection : Yes
- Individual Channel Configuration : Yes
- Photo-Isolation : 3750Vrms
- 4kV ESD Protection : Yes, Contact for each terminal
- Intra-module Isolation, Field to Logic : 3000VDC
Thermocouple Ranges
| Type | Range °C |
| J | -210 ~ +760 |
| K | -270 ~ +1372 |
| T | -270 ~ +400 |
| E | -270 ~ +1000 |
| R | 0 ~ +1768 |
| S | 0 ~ +1768 |
| B | 0 ~ +1820 |
| N | -270 ~ +1300 |
| C | 0 ~ +2320 |
| L | -200 ~ +800 |
| M | -200 ~ +100 |
| L2 (DIN43710) | -200 ~ +900 |
Interface
- Interface : RS485
- Format : N, 8, 1
- Baud Rate : 1200 ~ 115200bps
DB-1820
- Wire strip length : 4~5mm
- Wire Range : 16 ~ 24 AWG
LED Display
- 1 LED as Power/Communication Indicator
Power
- Power Consumption : 1.3W
Environment
- Operating Temperature : -25 to 75°C
- Storage Temperature : -40 to 85°C
- Humidity : 5 to 95%, Non-condensing
Dimensions
31mm x 81mm x 114mm (W x D x H)