SNAP-PAC-R1 AND -R2 COMPARISON CHART
SNAP PAC R-Series Controller User’s Guide
44
SNAP-PAC-R1 and -R2 Comparison Chart
The following table compares SNAP PAC R-series controllers with firmware 8.5 or newer.
FEATURE
SN
AP-P
AC
-R1
SNAP-P
AC-R
1
-F
M
SNA
P
-P
AC-R1-W
SN
AP-P
AC
-R2
SNAP-P
AC-R
2
-F
M
SNA
P
-P
AC-R2-W
Factory Mutual approval
n
n
Digital I/O
point features
Input latching
n
n
n
n
n
n
On/off status
n
n
n
n
n
n
Watchdog timer
n
n
n
n
n
n
High-speed counting (up to 20 kHz)
1
n
n
n
Quadrature counting
2
n
n
n
On-pulse and off-pulse measurement
1,3
n
n
n
Frequency and Period measurement
1,3
n
n
n
TPO (time-proportional output)
3
n
n
n
n
n
n
Digital totalizing
1,3
n
n
n
n
n
n
Pulse generation (N pulses, continuous square wave,
on-pulse, and off-pulse)
3
n
n
n
n
n
n
Analog I/O
point features
Thermocouple linearization (32-bit floating point for
linearized values)
n
n
n
n
n
n
Minimum/maximum values
n
n
n
n
n
n
Offset and gain
n
n
n
n
n
n
Scaling
n
n
n
n
n
n
TPO (time-proportional output)
4
n
n
n
n
n
n
Output clamping
n
n
n
n
n
n
Filter weight
n
n
n
n
n
n
Watchdog timer
n
n
n
n
n
n
Analog totalizing
3
n
n
n
n
n
n
Ramping
3
n
n
n
n
n
n
High-density digital modules (inputs and outputs)
n
n
n
n
n
n
Serial communication modules
n
n
n
n
n
n
PID logic (maximum 96 PID loops per controller)
n
n
n
n
n
n
Works with PAC Project software
n
n
n
n
n
n
Runs PAC Control strategies
n
n
n
n
n
n