1747-Pbase Basic Development Software Specifications - Allen-Bradley SLC 500 BASIC User Manual

A-2 Specifications
1747-PBASE BASIC
Development Software
Specifications
Publication 176-UM04A-US-P
Table A.4 Port Isolation
Port Isolation
PRT1 Backplane to Port
PRT2 Backplane to Port
PRT1 and PRT2 PRT1 to PRT2
Port DH485 is not isolated.
IMPORTANT
Table A.5 Clock/Calendar Accuracy
Specification
Accuracy
Table A.6 Maximum Communication Distances
Communication Maximum Distance Allowed m (ft)
Rate (bps) RS-232
300 15 (50)
600 15 (50)
1200 15 (50)
4800 15 (50)
9600 15 (50)
19200 15 (50)
Use the RS-423 jumper settings when communicating in RS-232
IMPORTANT
mode.
The BASIC Development Software must be loaded into a personal computer to
operate. This personal computer must conform to the following specifications:
• IBM PC/AT compatible computer with display and keyboard
• DOS version 3.1 to 6.22
• 640K bytes of RAM memory
• 1 floppy disk drive (3 1/2 in. or 5 1/4 in.)
• hard disk with 2M bytes free disk space
• 1 RS-232 compatible serial port
Refer to the BASIC Development Software Programming Manual (publication
number 1747-PM001A-US-P) for additional information.
Isolation Voltage
710V dc for 1 minute
710V dc for 1 minute
710V dc for 1 minute
Range
± 1 minute/month @ 25°C
+ 0, - 6 minute/month @ 60°C
RS-423 RS-422
1230 (4000) 1230 (4000)
920 (3000) 1230 (4000)
770 (2500) 1230 (4000)
245 (800) 1230 (4000)
120 (400) 1230 (4000)
60 (200) 1230 (4000)
RS-485
1230 (4000)
1230 (4000)
1230 (4000)
1230 (4000)
1230 (4000)
1230 (4000)