Specifications – Rockwell Automation 1734-485ASC POINT I/O RS-232 and RS-485 ASCII Modules Installation Instructions User Manual

Page 17

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POINT I/O RS-232 and RS-485 ASCII Modules 17

Publication

1734-IN588B-EN-P - July 2003

Specifications

Specifications - 1734-232ASC, -485ASC Modules

Number of Inputs

1 full duplex

Input Voltage

"0", Asserted, ON, Space, Active

"1", Disasserted, OFF, Mark,

Inactive

Signal with respect to Signal Ground (SG)

+3 to +25V dc

-3 to -25V dc

Indicators

1 green/red module status indicator, logic side

1 green/red network status indicator, logic side

2 greed TXD, RXD status indicators, logic side

Keyswitch Position

2 (specialty)

Module Location

1734-TB or -TBS wiring base assembly

Pointbus Current

75mA @ 5V dc

Power Dissipation

0.75W maximum @ 28.8V dc

Thermal Dissipation

2.5 BTU/hr maximum @ 28.8V dc

Isolation Voltage

Tested to withstand 2200V dc for 60s

No isolation between individual channels

External dc Power

Supply Voltage

Voltage Range

Supply Current


24V dc nominal

10-28.8V dc

15mA @ 24V dc

Fault protected to 28.8V dc

Serial Port Parameters

Serial Character Framing

7N2, 7E1, 7O1, 8N1, 8N2, 8E1, 8O1, 7E2, 7O2

Serial Port Comm Speed

9600, 1200, 2400, 4800, 19.2k, 38.4k

Serial Port Receive from ASCII Device

Max Number of Receive Chars

1-128

Receive Record Start Mode

No, exclude, include start delimiter

Receive Start Delimiter

ASCII character

Receive Record End Mode

No, exclude, include end delimiter

Receive End Delimiter

ASCII character

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