
29
6.1 SERIAL CHANNEL 1 WIRING LIST ( 25 PIN 'D' CONNECTOR )
SIGNAL NAME
PIN #
#1 RS232 RXD 3 Jumper W2 IN
#1 RS232 TXD 2 Jumper W3 OUT
#1 RS232 CTS 5
#1 RS232 RTS 4
GND 7
#1 CUR LOOP IN + 8 Jumper W2 OUT
#1 CUR LOOP IN - 22 Jumper W3 IN
#1 CUR LOOP OUT 24
#1 TTL RTS OUT 25
+5R (soft 5V) 6
SERIAL CHANNEL 1 EXAMPLE CONNECTIONS
RS232 INPUT CONNECTIONS: (usually used for scale input)
RXD pin # 3
GND pin # 7
RS232 OUTPUT CONNECTIONS: (usually used for printer output)
TXD pin # 2
CTS pin # 5 -- handshake input from printer
GND pin # 7
CURRENT LOOP INPUT: (usually used for scale input)
CL IN + pin # 8
CL IN - pin # 22
CURRENT LOOP OUTPUT: (usually used for printer output)
CL OUT - pin # 24
CL OUT + pin # 20
Comentarios a estos manuales