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1781, Classic & WRC4 Series Single-point AC/DC Input Discrete I/O Modules

(download this web page as a pdf catalog page)

1781 AC/DC input

WRC4 AC/DC input

General specifications

Operating temperature range –30 to +80°C
Storage temperature range –40 to +100°C
Isolation 4,000 V rms
Capacitance input to output 8 pF
Line frequency range 0 to 63 Hz


Application notes

  • Do not install or remove modules in live (electrically hot) circuits. High voltage may be present.
  • Input connections are non-polarized.

AC/DC Input specifications by part number

INPUT: WRC4

WRC4-IA5S

WRC4-IAYS

WRC4-IAXS

WRC4-IM5S

WRC4-IMYS

WRC4-IMXS

WRC4-IN5S

WRC4-INYS

WRC4-INXS

 

INPUT: 1781 SLIM

1781-IA5S

1781-IAYS

1781-IAXS

1781-IM5S

1781-IMYS

1781-IMXS

1781-IA5SE

1781-INYS

1781-INXS

 

INPUT: 1781 MINI

1781-IA5M

1781-IAYM

1781-IAXM

1781-IM5M

1781-IMYM

1781-IMXM

1781-IA5ME

1781-INYM

1781-INXM

 

INPUT: CLASSIC

IAC5

IAC15

IAC24

IAC5A

IAC15A

IAC24A

IDC5

IDC15

IDC24

Units

Nominal Input Voltage 120 120 120 240 240 240 24 24 24 Vrms/Vdc
Minimum Input Voltage 90 90 90 180 180 180 10 10 10 Vrms/Vdc
Maximum Input Voltage 140 140 140 280 280 280 60 60 60 Vrms/Vdc
Maximum Input Current 10 10 10 8 8 8 30 30 30 mA rms
Drop Out Current 2.5 2.5 2.5 1.5 1.5 1.5 1 1 1 mA rms
Allowable Off-state Current 3 3 3 2 2 2 1 1 1 mA rms
Allowable Off-state Voltage 50 50 50 120 120 120 2 2 2 Vrms/Vdc

OUTPUT

Nominal Logic Voltage 5 15 24 5 15 24 5 15 25 V dc
Minimum Logic Voltage - WRC4 3 10 18 3 10 18 3 10 18 V dc
Minimum Logic Voltage - 1781/Classic* 1.5 8.5 16.5 1.5 8.5 16.5 1.5 8.5 16.5 V dc
Maximum Logic Voltage - WRC4 7 20 32 7 20 32 7 20 32 V dc
Maximum Logic Voltage - 1781/Classic* 6 19 30.5 6 19 30.5 6 19 30.5 V dc
Typical Logic Supply Current 10 10 10 10 10 10 10 10 10 mA dc
Max. Logic Supply Current** 18.5 16 14 18.5 16 14 18.5 16 14 mA dc
Max. Logic Sup. Leak. Currrent** 10 10 10 10 10 10 10 10 10 uA dc
Maximum Output Voltage 30 30 30 30 30 30 30 30 30 V dc
Maximum Output Current 50 50 50 50 50 50 50 50 50 mA dc
Max. Output Leakage Current** 10 10 10 10 10 10 10 10 10 uA dc
Max. Output Voltage Drop 200 200 200 200 200 200 200 200 200 mV dc
Maximum Turn-on Time (Vac) 20 20 20 20 20 20 20 20 20 msec
Maximum Turn-off Time (Vac) 30 30 30 30 30 30 30 30 30 msec
Maximum Turn-on Time (Vdc) 1 1 1 1 1 1 1 1 1 msec
Maximum Turn-off Time (Vdc) 1 1 1 1 1 1 1 1 1 msec

* @ nominal voltage with LED on mounting board
** @ maximum logic voltage