Installation Installing Remote Printers and/or CRT
52 NFS-640 Installation Manual P/N 51332:B1 12/01/2003
Figure 31 Keltron Printer Connections
Setting up the Keltron Printer
Set up a Keltron printer as follows:
1. The printer communicates using the following protocol:
• Baud Rate: 9600 • Parity: Even • Data bits: 7
2. Set the printer DIP switches SP1 and SP2 according to settings in the table below:
Table 7 Keltron DIP Switch Settings
3.9.4 Installing and Configuring a CRT-2
A CRT-2 can only be used in a non-networked application when used with the NFS-640. For
further details on setting up the CRT-2, refer to the NFS-640 Operations Manual.
Connect a CRT-2 to the Control Panel as follows:
1. Connect the three (3) open leads of the custom cable to the TB15 terminal block on the control
panel as shown in the figure below.
2. Plug the DB-25 connector end of the custom cable into the EIA-232 port of the CRT-2. Tighten
securely.
3. Set parameters as discussed below.
TB14 TB15
PRINTER
TX RX REF
PC/CRT
TX RX REF
24V 24V NONRST RESET
+ – +
–
TB7
nfs640-keltconn.cdr
DB-25 connector
on Keltron Printer
(female socket
shown)
Keltron printer
24 VDC
connections
(14 AWG,
2.00 mm
2
)
Control Panel
Terminate one end of
shield at backbox
SP1 On Off
1X
2X
3X
4X
5X
6X
7X
8X
SP2 On Off
1X
2X
3X
4X
5X
6X
7X
8X
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