Distech Controls IO-R-16 Wiring Manual page 12

Inputs
Figure 7 RS-485 wiring from the EC-BOS to one or more IO-R-16 modules uses a "daisy-chain" connection.
EC-BOS-8 RS-485 Port
Connect RS-485 shield
wire to ground at
one end only.
IO-R-16
IO-R-16
One or more
IO-R-16
Inputs
Each of the 8 universal inputs (UI) can support any one of the following:
Type-3 10K ohm Thermistor
•
Resistive 0—100K ohms
•
0–10 Vdc
•
4–20 mA
•
Binary Input
•
Thermistor
Inputs support 10K Thermistor temperature sensors. Input accuracy is in the range of ±1% of span. By default,
conversion is for a standard Type 3 thermistor sensor, with a sensor range of -10° to 135°F (-23.3° to 57.2°C). Using
a conversion type of "Tabular Thermistor," you can specify a different thermistor response curve, by importing a
thermistor curve .xml file. The kitIo module contains an xml folder with thermistor curves for a various thermistor
temperature sensors. You can also edit and export (for reuse) customized thermistor curve xml files. See the NRIO
Driver Guide for details.
12
-
+
S
Shielded twisted pair cabling
IO-R-16
(also see Caution
Figure 8 shows the wiring diagram.
Terminals on the 5-position
connector plugs used for RS-485
between IO-R-16 assemblies
–
+
S
on page 13)
Remote IO-R-16 Module Mounting and Wiring Guide
August 2, 2017
Wiring Details