SpaceLogger
®
.S10
User Manual
©2012-13 Richard Paul Russell Limited, New Harbour Building, Bath Road, Lymington SO41 3SE United Kingdom
Tel +44 (0) 1590 679755 Fax +44 (0) 1590 688577 e-mail [email protected] web www.r-p-r.co.uk
- 5 -
017SL167/3 04/09/13
4.3
RS232 Interface
Connection to the RS232 serial data source(s) should be made as per Table 1. This table should be
read in conjunction with Figure 2. Wires should be prepared as per section 4.5.
When just one RS232 source is connected, the Primary RS232 input 1 should be used.
The Secondary RS232 input 2 is limited to 4800 baud rate. Details on how to enable the
secondary input via the RX2 command are given in section 5.6.
4.4
Switch inputs
The status of two switches connected between terminals 7 and 8 and terminals 9 and 10 can be
added to the logged data. Details of how this is activated are given in the SWITCH command
section 5.18.
Figure 3 shows the input circuit for one of the switch inputs.
Figure 3
Note if it is required to drive a switch input directly from the user’s circuit the input
signal must not exceed 3 volts.
SWITCH
3V
R2
R1
R3
C1
GND
PROCESSOR
SpaceLogger.S10
