RTD Input Multiplexer Module AMM32C Yokogawa
The specifications of I/O Modules and I/O Module Nests (for RIO) for CENTUM CS 3000 and CENTUM CS 1000 systems.
l Multiplexer Module
These modules receive up to 16 points from DC voltage, mV, thermocouple and RTS. Measuring inputs can be specified per point.
Item
Specifications
Model
AMM12T AMM12C
AMM22M AMM22C
AMM22T AMM22TJ (*2)
AMM32T AMM32CJ (*3) AMM32C AMM32CJ (*3)
AMM25C (*2)
Input
16
15
Input signal
DC voltage
mV
Thermocouple IEC Standard Type K, T, J, E, B, R,
IEC Standard
Type N
RTD
JIS JPt100 or JIS Pt100 (DIN Pt 100)
3-wire type
Termocouple IEC Standard Type K, T, J, E, B, R, S
IEC Standard Type N, mV. Channel 16 is used for RJC port.
Input range
-10 to 10 V DC
-100 to 100 mV DC
-200 to 600°C
-100 to 100 mV
Allowable input voltage
-30 to 30 V DC
-0.5 to 4.0 V DC
-
Input resistance
1 MΩ
Signal isolation
Input signals are isolated between systems. Withstanding voltage: 1500 V AC/min
Data update period
1 s
Accuracy
±4 mV
±40 µV
±0.15 Ω
Burnout detection
Select from UP/DOWN/OFF.
Input parallel connection
Permitted (burnout OFF)
Not permitted
How installed
Installed in the I/O module nest.
How connected
Connected to the terminal of the I/O module with M4 screws. Use a KS1, KS2 or KS3 cable for AMM12C, a
KS1 cable for AMM22C/AMM25C, and a KS8 cable for AMM32C.
Effect of ambient tem- perature change
For 10 °C change :
DC voltage: ±8 mV or less mV input: ±80 µV or less
Thermocouple input: ±80 µV or less RTD Input: ±0.3 Ω or less
±80 µV or less
Current consumption
500 mA or less (5.0 V DC)
How input signals are specified
Specify input signals and range by software setting.
*1: If measured temperature is lower than 0 °C, multiply the above value by the following coefficient (K): RTD Input Multiplexer Module AMM32C Yokogawa
*2: AMM22TJ and AMM25C conform to IEC584-1995.
*3: AMM32CJ and AMM32CJ conform to IEC751-1995.