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GE Analog Module IC693ALG392

GE Analog Module IC693ALG392

Product Description

IC693ALG392 is an Analog Current/Voltage Output Module for the PACSystems RX3i and Series 90-30. The module has eight single-ended output channels with voltage outputs and/or current loop outputs based on installation by the user. Each channel can be generated the configuration software for the subsequent scopes (0 to +10 volts) as unipolar, (-10 to +10 volts) bipolar, 0 to 20 milliamps, or 4 to 20 milliamps. Each of the channels is able to translate 15 to 16 bits. This is reliant on the range that is preferred by the user. All eight channels are renewed every 8 milliseconds.

The IC693ALG392 module reports an Open Wire fault to the CPU for each channel when in current modes. The module can go to a known last state when system power is disturbed. If external power is continuously applied to the module, each output will keep its last value or reset to zero as configured. Installation in any I/O slot of an RX3i or Series 90-30 system is possible.

This module must gain its 24 VDC power from an outside source that is connected to the terminal block in a direct manner. Each output channel is single-ended and factory adjusted to .625  μA. This may change based on voltage. The user should note that in the presence of harsh RF interference, the exactness of the module may be reduced to  +/-1% FS for current outputs and +/- 3% FS for voltage outputs. One should also note that this module must be fixed in a metal enclosure for correct functioning.

Technical Specifications

No. of channels:


VoltageOutput Range:

0 to +10V (unipolar) or -10 to +10V (bipolar)

Current Output Range:

0 to 20 mA or 4 to 20 mA

Update Rate:

8 msec (all channels)

Max Output Load:

5 mA

Power Consumption:

110mA from +5 V bus or 315 mA from +24 V  user supply

Technical Information

Number of Output Channels

1 to 8 selectable, single–ended

Output Current Range

4 to 20 mA and 0 to 20 mA

Output Voltage Range

0 to 10 V and –10 V  to +10 V


Factory calibrated to .625 μA for 0 to 20 mA; 0.5 μA for 4 to 20 mA; and .3125 mV for voltage (per count)

User Supply Voltage (nominal)

+24 VDC, from user supplied voltage source

External Supply Voltage Range

20 VDC to 30 VDC

Power Supply Rejection Ratio (PSRR) Current


5 μA/V (typical), 10 μA/V (maximum)

25 mV/V (typical), 50 mV/V (maximum)

External Power Supply Voltage Ripple

10% (maximum)

Internal Supply Voltage

+5 VDC from PLC backplane

Update Rate

8 milliseconds (approximate, all eight channels) Determined by I/O scan time, application dependent.


4 to 20mA:   0.5 μA (1 LSB = 0.5 μA)

0 to 20mA:  0.625 μA (1 LSB = 0.625 μA)

0 to 10V:  0.3125 mV (1 LSB = 0.3125 mV)

-10 to +10V:  0.3125 mV (1 LSB = 0.3125 mV)

Absolute Accuracy: 1

Current Mode

+/-0.1% of full scale @ 25°C (77°F), typical

+/-0.25% of full scale @ 25°C (77°F), maximum

+/-0.5% of full scale over operating temperature range (maximum)

Voltage Mode

+/-0.25% of full scale @ 25°C (77°F), typical

+/-0.5% of full scale @ 25°C (77°F), maximum

+/-1.0% of full scale over operating temperature range (maximum)

Maximum Compliance Voltage

VUSER  –3 V (minimum) to VUSER (maximum)

User Load (current mode)

0 to 850 Ω (minimum at VUSER = 20 V, maximum 1350 Ω at VUSER = 30 V) (Load less than 800 Ω is temperature dependent.)

Output Load Capacitance (current mode)

2000 pF (maximum)

Output Load Inductance (current mode)

1 H

Output Loading (voltage mode) Output load Capacitance

5 mA (2 K Ohms minimum resistance) (1 μF maximum capacitance)

Isolation, Field to Backplane (optical) and to frame ground

250 VAC continuous; 1500 VDC for 1 minute

Power Consumption

110 mA from +5 VDC PLC backplane supply

315 mA from +24 VDC user supply

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