10-Pin Connector; Figure 3. 10-Pin Connector Input Pin Assignments; Table 7. Sensor Inputs Assignments - Omega PLATINUM Series User Manual

3.1.1 10-Pin Connector

Figure 3 shows the10-pin connector with corresponding input pin assignments.
Sensor selection is firmware-controlled, and no jumper settings are required to
switch between different sensor types.

Figure 3. 10-Pin Connector Input Pin Assignments.

Pin No. Code
1 ARTN
2 AIN+
3 AIN-
4 APWR
5 - -
6 EXCT
7 DIN
8 ISO GND
9 RX/A
10 TX/B
Table 7 summarizes the universal input pin assignments for different sensor
inputs. Refer to Section 5 - Configuration and Programming, for details to
program the unit for desired sensor settings.
Pin Process
Number Voltage
1 Rtn
2 Vin +/-
3
4
** Requires external connections to Pin-4
Description
Analog return signal (analog ground) for sensors.
Analog positive input
Analog negative input
Analog power (Only used for 4-wire RTDs)
Not Used
Excitation voltage output referenced to ISO GND
Digital input signal (latch reset), positive at > 2.5, Ref. to
ISO GND
Isolated ground for serial communications, excitation,
and digital input
Serial communications receive
Serial communications transmit

Table 7. Sensor Inputs Assignments.

Process 2-Wire
Current RTD
**
I+ RTD1+ RTD1+
I-
RTD1-
.
6
3-Wire 4-Wire
RTD RTD
RTD2- RTD2+
RTD1+ TH+
RTD2- TH-
RTD1- RTD1-
Thermistor