Campbell Hausfeld SM4M - Manual (Page 26)

SM4M/SM16M Storage Module User Guide
5-2
of data a lengthy process, compared to direct connection to a PC, where baud rates
up to 115200 are supported.
The SC32A internal SDM blocking jumper should be in place. Without the
jumper in place (and sometimes with the SC929), Windows may report a ‘framing
error’ after correctly collecting data with SMS.
PC
SM4M/16M
Data-
logger
Figure 5-2 Communication Via the CR500/510, CR10/10X or CR23X
Communication between a PC and storage module can also take place via the
CR23X when the computer RS232 is connected to the CR23X RS232 and the
storage module is connected to the CS I/O port (Figure 5-3). This configuration
allows baud rates of 19200 and 38400.
SM4M/16M
CR23X
PC RS232
CS I/O
9-Pin
Cable
SC12
9-Pin
Cable
Figure 5-3 Communication Via the CR23X
5.1.3 Via Remote Datalogger and Modem
The data can be collected from a module connected to one of the above
dataloggers via other telecommunication interfaces (e.g. phone lines). A typical
arrangement is show in Figure 5-4, below.
Figure 5-4 Typical Setup for Remote Collection of Data Via Datalogger and Modem
Computer
Running PC208W
Hayes Compatible
Modem
Standard Phone
Lines
Surge
Protector
COM200E
Modem
CR10X
Datalogger
SC12
9-pin Cable
SM4M/
16M
Modem
Cable