snap ethernet-based i/o units protocols and programming guide

I/O Point Types
CHAPTER 2: OVERVIEW OF PROGRAMMING
The following table lists values for I/O point types. Default types are shaded. If a point differs
from the default, use the values in the table to configure the point.
Point Type SNAP Module
Part Number
Digital Points
Value
(Hex)
Digital Input Any SNAP digital input 100
Digital Output Any SNAP digital output 180
Analog Input Points
0 to 20 mA Input SNAP-AIMA, SNAP-AIMA-i,
SNAP-AIMA-iSRC, SNAP-AIMA-4
4 to 20 mA Input SNAP-AIMA, SNAP-AIMA-i,
SNAP-AIMA-iSRC, SNAP-AIMA-4
-20 mA to +20 mA Input SNAP-AIMA, SNAP-AIMA-i,
SNAP-AIMA-iSRC, SNAP-AIMA-4
0 to 10 Amps RMS Input SNAP-AIARMS, SNAP-AIPM (point 2 only) 47
-25 mV to +25 mV Input SNAP-AITM2, SNAP-AITM2-i, SNAP-AIMV2-4 43
-50 mV to +50 mV Input SNAP-AITM2, SNAP-AITM2-i, SNAP-AIMV2-4 09
-75 mV to +75 mV Input SNAP-AITM, SNAP-AITM-i, SNAP-AIMV-4 44
-150 mV to +150 mV Input SNAP-AITM, SNAP-AITM-i, SNAP-AIMV-4 42
0 to 5 V Input SNAP-AIV, SNAP-AIV-i, SNAP-AIV-4 06
0 to 10 V Input SNAP-AIV, SNAP-AIV-i, SNAP-AIV-4 07
-5 V to +5 V Input SNAP-AIV, SNAP-AIV-i, SNAP-AIV-4 0B
-10 V to +10 V Input SNAP-AIV, SNAP-AIV-i, SNAP-AIV-4 0C
0 to 250 V RMS Input SNAP-AIVRMS, SNAP-AIPM (point 1 only) 46
Temperature Input (ICTD) SNAP-AICTD, SNAP-AICTD-4 04
Resistance (Thermistor) Input, 0–40 K ohms SNAP-AIR40K-4 4A
Resistance (Thermistor) Input, 0–200 K ohms SNAP-AIR40K-4 4B
Resistance (Thermistor) Input, 0–10 K ohms SNAP-AIR40K-4 4C
Resistance (Thermistor) Input, 0–5 K ohms SNAP-AIR40K-4 4D
100 Ohm Platinum 3-wire RTD (-200° to 850° C) SNAP-AIRTD 0A
100 Ohm Nickel 3-wire RTD (-60° to 250° C) SNAP-AIRTD 2E
120 Ohm Nickel 3-wire RTD (-80° to 260° C) SNAP-AIRTD 30
Type E Thermocouple (-270° to 1,000° C) SNAP-AITM 13
Type J Thermocouple (-210° to 1,200° C) SNAP-AITM 05
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