
8. TROUBLESHOOTING
B–62835EN/01
280
(b) External I/O device or Host computer is in trouble
(i) Check whether the setting on communication of external I/O
device or host computer is the same as that of the Power Mate.
(baud rate, stop bits, etc.) If they are not the same, change the
setting.
(ii) When spare I/O device presents, check whether it is possible to
realize communication using the spare I/O device.
(c) Cable between Power Mate and I/O device is faulty.
Check the cable for disconnection or wrong connection.
Controller
RS–232–C (JD5)
Punch panel
(d) Power Mate base PCB is faulty.
Replace the power Mate unit.
< Cable connection>
RD (01)
0V (02)
DR (03)
0V (04)
CS (05)
0V (06)
CD (07)
0V (08)
(09)
+24V (10)
SD (11)
0V (12)
ER (13)
0V (14)
RS (15)
0V (16)
(17)
(18)
+24V (19)
(20)
(03) RD
(06) DR
(05) CS
(08) CD
(02) SD
(20) ER
(04) RS
(07) SG
(25) +24V
(01) FG
Connector : Half–pitch 20–pins
Connector :DBM–25S
Shield
RS–232–C (JD5) Punch panel
NOTE
When CS is not used, connect it to RS.
Always use a twisted pair cable.