GE Digital IC695ALG600, IC695ALG306, IC695ALG312, IC695ALG412 Data sheet
Process Automation Control Systems
PACSystems RX3i Controller
Thermocouple I/O Modules
The Thermocouple Input Modules allow thermocouple temperature sensors to be directly
connected to the PLC with external signal processing (transducers, transmitters, etc.). The module
performs all analog and digital processing of the thermocouple signal. The enhanced thermocouple
input modules add isolation or high-resolution. On these modules, each channel can be configured
for a specific type of sensor wire. An autodetect external AD592 cold junction compensation
feature is also available.
IC695ALG600 Thermocouple IC695ALG306 IC695ALG312 IC695ALG412
Universal Analog and configurable
for Current, Voltage, RTD,
Thermocouple and Resistive. High
Density (8 Channel) Requires Cold
Junction Compensation; are
Product Name
Lifecycle Status Active Active Active ACtive
Module Type Thermocouple Input Thermocouple Input Thermocouple Input Thermocouple Input
Backplane Support
Number of Slots Module
Occupies on Backplane
Range B, C, E, J, K, N, R , S, T J, K, T, E, R, S, B, N, or C J, K, T, E, R, S, B, N, or C J, K, T, E, R, S, B, N, or C
Diagnostics
Number of Channels 8 6 12 12
Channel-to-Channel
Isolation
Common Mode
Rejection
Chanel to Channel
Crosstalk
Notch Filter Yes From 2.3 Hz to 28 Hz per channel From 2.3 Hz to 28 Hz per channel From 2.3 Hz to 28 Hz per channel
Resolution
Accuracy
Update Rate
I/O Required N/A N/A N/A N/A
A/D Conversion Type Sigma Delta Sigma Delta Sigma Delta Sigma Delta
A/D Conversion Time
Connector Type
Internal Power Used
available for Thermocouple
configurations (IC695ACC600
contains 2 CJCs)
Universal Backplane Only.
Uses PCI Bus.
1 1 1 1
Open wire, Short Circuit, Positive/
Negative Rate of Change, High, High-
High, Low, Low-Low
Two Groups of Four 250 VAC Continuous 1500 VAC 1
120dB minimum @ 50/60 Hz with 8
Hz filter 110dB minimum @ 50/60 Hz
with 12 Hz filter
32-bit IEEE floating point or 16-bit
integer (in 32-bit field) input
data format
Calibrated Accuracy at 25°C.
Better than 0.1% of range. Accuracy
depends on A/D filter, data format,
input noise, and ambient temperature.
10ms per Channel; 4 Channels =
40ms (1KHz filter)127ms per Channel
* 4 Channels = 508ms (8Hz filter)
Channels that are disabled are not
scanned, shortening scan time.
(Assumes 2 ADC’s running in parallel,
no CJC or lead resistance) 10ms per
Channel 4 Channels = 40ms (1KHz
filter) 127ms per Channel 4 Channels =
508ms (8Hz filter) Channels that
are disabled are not scanned,
shortening scan time.
IC694TB3x32, IC694TBSx32 or
IC694TBC032. Sold Separately.
400 mA @ 5 V; 350 mA @ 3.3 V 225 mA @ 5V; 400 mA @ 3.3V 425mA @ 5V; 400 mA @ 3.3V 425mA @ 5V; 400 mA @ 3.3V
Isolated Thermocouple Input
module provides six isolated
differential thermocouple input
channels. Each channel can be
individually configured for inputs
from: Thermocouple types: J, K, T,
E, R, S, B, N, or C and Voltage:
±150mV or ±50mV.
Universal Backplane Only.
Uses PCI Bus.
Open wire, Short Circuit, Positive/
Negative Rate of Change, High,
High-High, Low, Low-Low
minute 2550 VDC 1 second
2.3 Hz filter, 50/60Hz: 100 dB 4 Hz
filter, 50Hz: 100 dB 4.7 Hz filter,
60Hz: 100 dB
70 dB minimum 70 dB minimum 70 dB minimum
32-bit IEEE floating point or 16-bit
integer (in 32-bit field) input
data format
±0.1% of voltage span at 25°C.
±0.25% of span over
temperature range.
10ms per Channel; 4 Channels
= 40ms (1KHz filter)127ms per
Channel * 4 Channels = 508ms (8Hz
filter)Channels that are disabled are
not scanned, shortening scan time.
15 msec @ 28 Hz to
120 msec @ 2.3 Hz
IC694TB3x32, IC694TBSx32 or
IC694TBC032. Sold Separately.
Isolated Thermocouple Input
module provides twelve isolated
differential thermocouple input
channels. Each channel can be
individually configured for inputs
from: Thermocouple types: J, K, T,
E, R, S, B, N, or C and Voltage:
±150mV or ±50mV.
Universal Backplane Only.
Uses PCI Bus.
Open wire, Short Circuit, Positive/
Negative Rate of Change, High,
High-High, Low, Low-Low
250 VAC Continuous 1500 VAC 1
minute 2550 VDC 1 second
2.3 Hz filter, 50/60Hz: 100 dB 4 Hz
filter, 50Hz: 100 dB 4.7 Hz filter,
60Hz: 100 dB
32-bit IEEE floating point or 16-bit
integer (in 32-bit field) input
data format
±0.1% of voltage span at 25°C
±0.25% of span over
temperature range.
10ms per Channel; 4 Channels
= 40ms (1KHz filter)127ms per
Channel * 4 Channels = 508ms (8Hz
filter)Channels that are disabled are
not scanned, shortening scan time.
15 msec @ 28 Hz to
120 msec @ 2.3 Hz
IC694TB3x32, IC694TBSx32 or
IC694TBC032. Sold Separately.
Isolated Thermocouple Input
module provides twelve isolated
differential thermocouple input
channels. Each channel can be
individually configured for inputs
from: Thermocouple types: J, K, T,
E, R, S, B, N, or C and Voltage:
±50mV. The ALG412 offers a
10dB improvement in noise
Open wire, Short Circuit, Positive/
Negative Rate of Change, High,
250 VAC Continuous 1500 VAC 1
32-bit IEEE floating point or 16-bit
±0.1% of voltage span at 25°C
IC694TB3x32, IC694TBSx32 or
IC694TBC032. Sold Separately.
rejection compared to the
ALG312 thermocouple
input module.
Universal Backplane Only.
Uses PCI Bus.
High-High, Low, Low-Low
minute 2550 VDC 1 second
All filters, 50/60 Hz: 110 dB
integer (in 32-bit field) input
data format
±0.25% of span over
temperature range.
Configurable from 15 msec
to 120 msec.
15 msec @ 28 Hz to
120 msec @ 2.3 Hz
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Automation & Control Systems
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