CHARMs Smart Logic Solver configuration

LS CHARM types

To specify the location and type of LS CHARMs associated with the field measurement, you configure the LS CHARM and the Device Signal Tag (DST) of the input or output parameter. The following LS CHARM classes are available in CSLSs.

Table: Input LS CHARM classes for CSLS
CHARM Class Description Type Functionality Function Block Use
Analog Input Reports the analog value present and up to four digital values from a HART field device.

LS AI 4-20 mA HART

LS AI 4-20 mA HART (Intrinsically Safe)

LS AI Generic

HART Analog Input 4-20 mA

Analog Input 4-20 mA

Analog Input 0-20 mA

Used with LSAI function blocks as input I/O references.

Used with LSAI function blocks as readback references to read a 4 to 20 mA signal.

Discrete Input Reports the discrete value present at the channel

LS DI NAMUR

LS DI 24 VDC Low-Side

LS DI 24 VDC Isolated

LS DI 120 VAC Isolated

LS DI 120 VAC Isolated Plus

LS DI 230 VAC Isolated

LS DI NAMUR (Intrinsically Safe)

LS DI Generic

Discrete Input

Used with LSDI function blocks as input I/O references when reading a discrete (On/Off) signal.

Used with LSDO function blocks as a readback I/O reference for a discrete signal.

Thermocouple_mV Reports the temperature of the thermocouple and is cold junction compensated

LS Thermocouple/mV

LS Thermocouple/mV (Intrinsically Safe)

LS Thermocouple/mV Generic

Type B Thermocouple Input

Type E Thermocouple Input

Type J Thermocouple Input

Type K Thermocouple Input

Type N Thermocouple Input

Type R Thermocouple Input

Type S Thermocouple Input

Type T Thermocouple Input

±20 Millivolt Input

±50 Millivolt Input

±100 Millivolt Input

Used with LSAI function blocks as input I/O references.
RTD Reports the temperature or ohms of the RTD bulb.

LS RTD / Resistance Input

LS RTD / Resistance Input (Intrinsically Safe)

LS RTD Generic

Pt 100 RTD Input

Pt 200 RTD Input

Pt 500 RTD Input

Pt 1000 RTD Input

Ni 120 RTD Input

Ni 100 RTD Input

Ni 200 RTD Input

Ni 500 RTD Input

Ni 1000 RTD Input

Cu 10 RTD Input

Resistance RTD Input

Used with LSAI function blocks as input I/O references
Voltage Reports the analog value present

LS AI 0-10 VDC Isolated

LS Voltage Generic

0 to 5 Volt Input

0 to 10 Volt Input

1 to 5 Volt Input

-1 to +1 Volt Input

-5 to +5 Volt Input

-10 to +10 Volt Input

Used with LSAI function blocks as input I/O references
Power

LS 24 VDC Power

LS Power Generic

24 VDC Power Used with LSDI function blocks as input I/O references when reading a discrete (On/Off) signal
Table: Output LS CHARM classes for CSLS
CHARM Class Description Type Functionality Function Block Use

Discrete Output

Drives the output to a discrete value and holds the output at that value. Outputs immediately reflect the output value that was received.

LS DO 24 VDC DTA

LS DO 24 VDC ETA

LS DO Generic

Discrete Output

Used with LSDO function blocks as output I/O references when driving as discrete signal

Redundant Discrete Output

LS DO 24 VDC (Redundant DTA)

LS DO 24 VDC (Redundant ETA)

LS DO Redundant Generic

Two-State DVC Output

Drives a digital valve controller output device with an On value of 20 mA. The Off value is configurable: either 0 mA or 4 mA (to allow for HART communications).

LS DVC HART DTA

LS DVC HART Generic

0/4mA & 20mA with HART Output

Used with LSDVC blocks to drive DVC6000ESD digital valve controllers.

Redundant Two-State Output

LS DVC HART (Redundant DTA)

LS DVC HART Redundant Generic

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