Rockwell Automation 1734-485ASC POINT I/O ASCII User Manual - Manual (Page 57)

1 Publication 1734-UM009B-EN-P - July 2003
Appendix
A
Specifications
Specifications for the
ASCII Modules
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
Send (Produce) on DeviceNet to Master
Receive String Data Type Array, short_string, string
Pad Mode Pad mode disabled, enabled
Pad Character ASCII character
Receive Swap Mode Disabled, 16-bit, 24-bit, 32-bit swap
DeviceNet Handshake Mode Master/slave handshake, produce immediate
Produce Assembly Size 4-132
Serial Data 0-128 bytes