11
2
Q&A
OP program is edited in OP20 software; please refer to OP software manual. This chapter will
explain some general questions about using OP.
2-1
．
Cannot download program
1.
The version of hardware and software must be matched. Please see the following table.
Hardware version
Software version
V3.6
V3.6
V4.0—V7.0 (not include 7.0)
V6.5z
V7.0—V8.0
V8.0n
Hardware version: Please see the label at the reverse side of OP product.
Software version: please see the item Help/about…. in OP20 software.
2.
Check the download cable
OP (9-pin port) PC (9-pin port)
RXD
TXD
GND
5
7
3
2
RXD
TXD
GND
CTS
5
7
3
2
3.
Try to download program via PC serial port.
4.
If download program via USB-RS232 converter, it will be error sometime. Because some
converter doesn’t connect pin7, but OP need to connect pin7.
5.
Open the OP20 software, click file/com port… to choose the PC serial port.
2-2
．
Communication problem about OP and PLC
1.
PLC and OP is all powered on, and the cable connection is well; the PLC device choice is
correct in the OP20 software. Please refer to chapter 3 for the cable connection diagram.
2.
Check the communication parameters of PLC and OP, they must be the same.
3.
Check the station no. especially the station no. of alarm list, register and relay.
4.
Don’t choose analog input/output in Tool/Set OP series...
