User Manual

(valid for the 7522A(D)/7524(D)/7527(D))
7521/2/2A/3/4/7 Series Hardware User’s Manual, Ver. 1.5 Sep/2002, 7Mh-001-15 -----32
Note:
• There are 3 wires in the download cable
Ext. GND
Ext. 24V
10
9
8
7
6
11
5
4
12
13
GND
+
VS
D2-
D2
+
C
T
S
1
GND
RTS1
INIT
*
15
28
75
22A
/75
24
/75
2
7
TXD1
RXD1
7
6
5
4
3
8
2
1
9
DCD
RXD
TXD
RI
CTS
RTS
DSR
GND
DTR
PC COM-1/2/3/4
RX
TX
GND
Wire label o
f
CA0910
Program
download
wire
connection
D1
-
D1
+
DI
3
2
1
D
O
14
Connect INIT* to GND
to disable autoexec.bat
• Connect the wire-1, label RX, to pin-8 of 7522A/7524/7527
• Connect the wire-2, label TX, to pin-7 of 7522A/7524/7527
• Connect the wire-3, label GND, to pin-6 of 7522A/7524/7527
• Connect the DB-9 of download cable to PC COM-1/2 port