GE IC695ALG106 Isolated Analog Input Modules
These modules must be installed in an RX3i Universal Backplane. The modules require
the use of one front-mounted terminal block (ordered separately). Terminal blocks are
available in the following different styles:
• Box-style (IC694TBB032),
• Extended Box-style (IC694TBB132),
• Spring-style (IC694TBS032), and
• Extended Spring-style (IC694TBS132).
Extended terminal blocks provide the extra shroud depth needed for shielded wiring.
See GFK-2314, PACSystems RX3i System Manual, for more information about terminal
blocks.
Note: Terminal blocks for this module must be ordered separately.
Module Features
• Completely software-configurable, no module jumpers to set
• On-board error-checking
• Open-circuit detection for all voltage and 4-20mA inputs
• Configurable scaling and offsets per channel
• High alarm, low alarm, high-high alarm, low-low alarm detection and reporting
selectable per channel
• Module fault reporting
• Supports diagnostic point fault contacts in the logic program
• Flash memory for future upgrades
• Positive and negative Rate of Change Alarms
• Configurable interrupts for channel alarms and faults
• Terminal Block insertion or removal detection
• Hot-swappable— module may be inserted into or removed from a powered backplane
Specifications
Input Ranges Current: 0 to 20mA, 4 to 20mA, +/- 20mA
Voltage: +/- 10V, 0 to 10V, +/- 5V, 0 to 5V, 1 to 5V
Power Requirements
(from the backplane)
ALG106: 230 mA maximum @ 5.0V +5% / -2.5%,
320 mA maximum @ 3.3V +5% / -3%
ALG112 490 mA maximum @ 5.0V +5% / - 2.5%,
310 mA maximum @ 3.3V +5% / - 3%
Power Dissipation within Module IC695ALG106: 2.97 watts maximum; with 20mA inputs on all 6 channels
IC695ALG112: 4.89 watts maximum with 20mA inputs on all 12 channels
Thermal Derating No derating
Resolution 16 bit ADC converted to Floating Point or Integer
Input Data Format Configurable as floating point IEEE 32 bit or 16-bit integer in a 32-bit field
Filter Options 8Hz, 12Hz, 16Hz, 40Hz, 250Hz, 1000Hz
Input Impedance >500 Kohm voltage inputs
Current Input Resistance 250 ohms +/- 1%
Open Circuit Detection time 1 second maximum
Overvoltage +/-35 VDC continuous, maximum
Overcurrent +/-35mA continuous, maximum
Normal Mode Noise Rejection
(dB)
At 50Hz At 60Hz
8 Hz filter 90 75
12 Hz filter 75 80
16 Hz filter 35 75
Common Mode Noise Rejection 100dB minimum @ 50/60 Hz with 8 Hz filter
100dB minimum @ 50/60 Hz with 12 Hz filter
Channel-Channel DC Crosstalk -70 dB minimum
Isolation Voltage
terminal block to
backplane/chassis and
channel to channel
I-coupler, transformer isolated
250 VAC continuous/1500 VAC for 1 minute
Analog Step Change Response The analog input will settle to 0.1% of its final value within 1.7mS for a step
change on the input pins of the module. (Any digital filtering is in addition to
this time.)
Digital Filtering Settling Time
(milliseconds)
The settling time depends on the configured filter time.
8 Hz Filter: 127 mS
12 Hz Filter: 67 mS
16 Hz Filter: 56 mS
40 Hz Filter: 21 mS
250 Hz Filter: 3.1 mS
1000 Hz Filter: 0 mS (no digital filtering; analog front-end filter only)
Analog Module Scan Time
(milliseconds)
The modules provide a new sample every 1mS, regardless of the digital
filtering selected. See Digital Filtering Settling Time for the amount of time
required to have settled data.
Calibrated Accuracy 0.1% of range at 25°C
0.2% of range over entire temperature span
In the presence of severe RF interference (IC 801-3, 10V/M), accuracy
may be degraded by 2.0% of range.
Calibration Interval 12 months typical to meet accuracy specifications over time. Offset can be
applied as a periodic calibration adjustment.
Indicator Light Emitting Diodes (LEDs)
MODULE OK — indicates the module’s ability to perform normal operations.
Green, ON Module OK and configured
or Green or Amber, slow flashing Module OK but not configured.
Green, quick flashing Error
OFF Not OK: no backplane power present or module is defective
FIELD STATUS — indicates the status of the module’s field connections.
Green, ON No faults on any enabled channel, and Terminal Block is present
Amber, ON Fault on at least one channel
OFF Terminal block not present or not fully seated
TB — indicates the status of the module’s connection to its terminal block.
Green, ON Terminal block present
Red, ON Terminal block not present or not fully seated
OFF No backplane power to module
Channel Diagnostic Data
The module can be configured to report channel diagnostics status data to the CPU. The CPU stores this data at the
module’s configured Diagnostic Reference Address. Use of this feature is optional. For details on module configuration,
refer to the PACSystems RX3i System Manual, GFK-2314.
The diagnostics data for each channel occupies 2 words whether the channel is used or not:
Bit Value Function
D0
0 Low alarm not Exceeded
1 Low alarm Fault
D1
0 High Alarm not Exceeded
1 High Alarm Exceeded
D2
0 Not Under Range
1 Under Range
D3
0 Not Over Range
1 Over Range
D4
0 No Open Wire
1 Open Wire
D5
0 No Short Circuit
1 Short Circuit
D6
0 Spare. Always set to zero
1 Invalid value.
D7
0 No extended diagnostic Information
1 See extended diagnostic Information in bits D8-D15.
D8-D15 — Extended diagnostic Information (refer to GFK-2314)