GE 90*-30 PLC Series User Manual

A-4 Series 90™-30 PLC LONWORKS® Bus Interface Module User's Manual – June 1997 GFK-1322A
A
Interface Specifications
Serial Communications Protocol
Port Firmware download port only
Electrical interface EIA RS-422 compliant
Baud rate 9600 BPS
Data word length 8 bits
Stop bits 1
Parity none
Transfer handshake RTS/CTS
Hand-Held Programmer Not supported in firmware. The HHP Present pin is supported
in hardware.
Network Communications
L
ON
W
ORKS
Transceivers Transformer Isolated Twisted Pair
TP/XF-1250 Twisted Pair Transceiver
TP/XF-78 Twisted Pair Transceiver
TP/FT-10 Free Topology Twisted Pair Transceiver
Termination external
SNVTs Supports SNVTs 31 bytes or less in length
Series 90-30 Backplane Interface
Backplane processor GE SI-30 ASIC (application specific integrated circuit)
Direct Memory Access 16-bit DMA transfer mode
Host application processor interface API for Series 90-30 Smart Modules

GE 90*-30 PLC Series Specifications

General

Brand	GE
Model	90*-30 PLC Series
Category	Computer Hardware
Language	English