WX16 User Manual | 38
3.1.7 Optional Clock / Printer Interface Board
#10-0229
When equipped with the 10-0229 Clock / Printer Interface option, shown in Figure 3.8,
the WX16 Controller is capable of automatically printing time & date stamped alarm
events to a 24 PIN dot matrix printer such as the Panasonic KX-P1131. The cable
interface between the WX16 and the KX-P1131 may be either parallel or serial.
Parallel interfaces only allow 6 feet of separation, while the RS-232 serial interface
allows up to 50 feet. Distances up to 4000 feet may be obtained using the 10-0229
printer interface option’s RS-422 port but require an additional tri-port RS-422 / RS-232
converter at the printer end of the cable.
The 10-0229 Printer Interface may also be connected to a PC running HyperTerminal
or other communications software as an alternative to hard copy printing of the data.
Printer / PC cable schematics are shown in Figure 3.8. Printer settings for serial
interfaces are 9600 baud, 8 data bits, no parity and one stop bit. Communications
software settings are 9600 baud, 8 data bits, no parity, one stop bit and FlowControl =
Hardware. Printer diagnostic red LED’s indicate printer faults such as out of paper,
overflowed buffer or loss of communications. Green LEDs flicker to confirm good
communications between the WX16 and printer during print attempts.
Examples of printed alarm events are shown below. The format of each event, from left
to right, is DATE, TIME, 16 character ASCII channel ID from the WX16, WX16 channel
#, alarm #, IN or OUT status. A buffer in the WX16 retains the most recent 30 – 35
printed events. It is possible to dump the entire buffer to the printer from the menu
shown in Figure 3.9. This is useful if printer problems have occurred causing missed
printouts.
05/22/03 08:21:00 Storage Tank 103 Chnl 1 Alarm 2 IN
05/22/03 08:21:01 Storage Tank 103 Chnl 1 Alarm 2 OUT
05/22/03 09:12:01 Storage Tank 103 Chnl 13 Alarm 1 IN
05/22/03 09:13:00 Fuel A Flow Chnl 9 Alarm 1 IN
05/22/03 09:13:05 Storage Tank 103 Chnl 1 FAULT IN
05/22/03 09:13:05 Fuel Dock Chnl 2 FAULT IN
05/22/03 09:40:10 Storage Tank 103 Chnl 13 Alarm 2 IN
05/22/03 09:40:14 Fuel Dock Chnl 2 FAULT OUT
05/22/03 09:40:14 Trans Pump 103 Chnl 3 FAULT OUT
05/22/03 09:40:14 Storage Tank 103 Chnl 1 FAULT OUT
05/20/03 11:53:37 Fuel A Flow Chnl 9 Alarm 1 OUT
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