Schneider Electric 58 TRX User Manual

09/2003

©

 2000–2003 Schneider Electric All Rights Reserved

This model includes two 24 Vdc logic inputs, one 24 Vdc open collector logic 
output, one 0 to 20 mA X-Y configurable analog output, and one bipolar ±10 
Vac analog input. The analog input may be used for speed correction with a 
tachogenerator, for feedback of the PI function, for processing of PTC motor 
protection probes, or for summing the frequency reference.

The figure to the left shows the location of the terminals for this I/O card. The 
following tables describe the terminal functions and characteristics. See 
page 50 for a summary of configurable I/O functions. 

COM

Common for analog inputs and outputs

0 V

AI3A

Differential analog input

± 10 V, impedance = 30 k

Ω

AI3B

Differential analog input

+10

Supply for analog inputs

+ 10 V, Is = 10 mA maximum

-10

Supply for analog inputs

- 10 V, Is = 10 mA maximum

AO

Analog output

0 - 20 mA, (x - y configurable)
Load impedance = 500 

Ω

 maximum

LI5

Logic inputs

2 logic inputs
Impedance = 3.5 k

Ω

 

Supplied by +24 V

LI6

+24

Supply for logic inputs

+24 V, Is = 200 mA maximum

◆

LO

Logic output

Open collector output

LO+

Supply for logic output

+24 V supply, Is = 20 mA maximum

◆

The 200 mA is the sum of the current supplied by the +24 on the control board and 

the +24 on the I/O extension card.

Available internal supplies

Protected against short circuits and overloads
1 output +10 V ± 1%, Is = 10 mA maximum
1 output -10 V ±1%, Is = 10 mA maximum
1 output +24 V (20 V min., 30 V max.), Is = 200 mA maximum

◆

Logic Inputs LI

2 reassignable logic inputs. Impedance = 3.5 k

Ω

. Compatible with level 1 PLCs 

according to IEC 65A-68. Maximum shielded cable length: 330 ft (100 m).
Supply: +24 Vac (11 V min., 30 V max.)
State 0 if < 5 V, state 1 if > 11 V.
The logic inputs are sampled every 5 ms, maximum.

Logic Output LO

1 reassignable open collector logic output, compatible with level 1 PLCs according to 
IEC 65A-68. 
Supply: +24 V (12 V min., 30 V max.), 
maximum current = 20 mA with internal source or 200 mA with external source.
The logic output is updated every 5 ms, maximum.

Analog Output AO

1 reassignable 0 - 20 mA analog output, (x - y configurable). 
Maximum load impedance = 500 

Ω

.

Resolution: 0.04 mA (9 bits)
Linearity: ± 0.1 mA
Accuracy: ± 0.2 mA
The analog output is updated every 5 ms, maximum.

Analog Input AI

1 reassignable 0 ± 10 V bipolar differential input. 
Impedance = 30 k

Ω

. Adjustable gain.

Maximum allowable voltage: ± 30 V
Freq. reference resolution: 0.1 Hz for 100 Hz (0.1% of max. freq.), 10 bits plus sign.
Accuracy: ± 0.5%
Linearity: ± 0.2% of the maximum output frequency
The analog input is sampled every 5 ms, maximum.
Maximum length of shielded cable: 66 ft (20 m)
If configured for thermal sensors, use 750 

Ω

 maximum at 20 °C (68 °F) 

(three 250 

Ω

 sensors in series).

◆

The 200 mA is the sum of the current supplied by the +24 on the control board and 

the +24 on the I/O extension card.

COM

AI 3A

AI 3B

+ 10

- 10

AO

LI 5

LI 6

+ 24

LO 

LO+

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