GE IC694ALG221 Analog I/O Modules (Input)
Programmable Controllers
GE offers easy-to-use analog modules and HART analog modules for control processes such
as flow, temperature and pressure.
Analog I/O Modules (Input)
IC694ALG220 IC694ALG221 IC694ALG222 IC694ALG223
Product Name
PACSystems RX3i Analog Input,
Voltage, 4 Channel
PACSystems RX3i
Analog Input, Current,
4 Channel
PACSystems RX3i
Analog Input,Voltage,
High Density (16 Channel)
PACSystems RX3i
Analog Input, Input,
Current, High Density
(16 Channel)
Lifecycle Status Active Active Active Active
Module Type
Analog Input Analog Input Analog Input Analog Input
Backplane Support No Backplane Restrictions No Backplane Restrictions No Backplane Restrictions No Backplane Restrictions
Number of Slots Module
Occupies on Backplane 1 1 1 1
Range
-10 V to +10 V 4-20 mA, 0-20 mA -10 V to ±10 V, 0 to 10 V 0-20 mA, 4-20 mA
HART Support
N/A N/A N/A N/A
Channel-to-Channel Isolation
N/A N/A N/A N/A
Number of Channels 4 4 1 16
Update Rate
4 ms all channels 2 ms all channels 13 ms all channels 13 ms all Channels
Resolution
12 bit; 5 mV/20 µA/bit 12 bit; 0-20 mA, 5 µA/bit;
4-20 mA, 4 µA/bit
12 bit; ±10 V, 5 mV/20 µA/bit;
0-10 V, 5 mV/20 µA/bit
12 bit; 0-20 mA, 5 µA/bit;
4-20 mA, 4 µA/bit; 4-20 mA
Enhanced, 5µA/bit
Accuracy
±10 mV/40µA at 25ºC (77ºF) 0.1 % full scale 0.25% at 25ºC (77ºF) 0.25% at 25ºC (77ºF)
Input Impedance >9 Megohms 250 ohms 250 ohms 250 ohms
Input Filter Response
17 Hz 325 Hz 200 Hz 200 Hz
Notch Filter N/A N/A N/A N/A
Diagnositics
N/A N/A N/A N/A
Internal Power Used 27 mA @ 5 VDC; 98 mA @
24 VDC Isolated
25 mA @ 5 VDC; 100 mA @
24 VDC Isolated
112 mA @ 5 VDC; 4150 mA- User
Supplied 24 VDC
120 mA @ 5 VDC; 65 mA-User
Supplied 24 VDC
External Power Requirement N/A N/A N/A N/A
Connector Type
Terminal Block (20 screws),
included with module.
Terminal Block (20 screws),
included with module.
Terminal Block (20 screws),
included with module.
Terminal Block (20 screws),
included with module.

PACSystems RX3i Programmable Controllers
GE offers easy-to-use analog modules for control processes such as flow, temperature
and pressure.
Analog I/O Modules (Input)
HE693ADC410 HE693ADC420
Product Name Isolated Analog Input Module,
Voltage, 1500 VAC, Isolation
Isolated Analog Input Module,
Current, 1500 VAC, Isolation
Lifecycle Status Active Active
Module Type Analog Input Analog Input
Backplane Support No Backplane Restrictions No Backplane Restrictions
Number of Slots Module
Occupies on Backplane 1 1
Range ±10 V 4-20 mA, ±20 mA
Number of Channels 4 4
Channel-to-Channel Isolation 1500 VAC (RMS), ±2000 VDC 1500 VAC (RMS), ±2000 VDC
Input Impedance 1 Megohm 100 ohms
A/D Type, Resolution Integrating, 18 bits Integrating, 18 bits
Useable Resolution 13 bits plus sign 13 bits plus sign
I/O Required 4 %AI, 4 %AQ, 16 %I 8 %AI, 8 %AQ, 16 %I
Sample Rate 45 channels/second 45 channels/second
Analog Filtering 1 KHz, 3 pole Bessel 1 KHz, 3 pole Bessel
Digital Filtering 1-128 samples/update 1-128 samples/update
Maximum Error .05% full scale .05% full scale
Common Mode Range 1500 VAC (RMS), ±2000 VDC 1500 VAC (RMS), ±2000 VDC
Common Mode Rejection >100 dB >100 dB
Power Consumption at
Steady State, Maximum .7 W @ 5 V, 1.2 W @ 24 V .7 W @ 5 V, 1.2 W @ 24 V
Connector Type Terminal Block (20 screws),
included with module.
Terminal Block (20 screws),
included with module.
External Power Requirement N/A N/A
Internal Power Used 140 mA @ 5 VDC; 50 mA @ 24 VDC Relay 140 mA @ 5 VDC; 50 mA @ 24 VDC Relay