Mitsubishi Electric GT14, User Manual

Page: 1367 / 1546

56
CONNECTION T
O
L
S
IN
DUST
R
IA
L
SY
STEMS PLC
57
CONNECTION T
O
SI
CK SAFE
T
Y
CONTROL
LER
58
CONNE
C
T
ION T
O
SI
EME
N
S PLC
59
CON
N
ECT
ION
T
O
HI
RA
TA
C
O
RPOR
AT
ION
HN
C C
O
NT
ROL
LE
R
60
CONNECTION
T
O
MURA
TEC
CONT
ROLLE
R
61
MICROCOMPUTER C
O
NNECTION
(SERI
A
L)
62
MICROCOMPUTER CONNECTION (ETHERNET)
63
MODBUS
(R)/
R
T
U
CONNECTION
58. CONNECTION TO SIEMENS PLC
58.4 Device Range that Can Be Set
58 - 15
58.3.5 Precautions

When connecting to multiple GOTs
(1) Setting PLC No.
When connecting two or more GOTs in the Ethernet
network, set each [PLC No.] to the GOT.
 Ethernet setting
(2) Setting IP address
Do not use the IP address "192.168.0.18" when using
multiple GOTs.
A communication error may occur on the GOT with the
IP address.

When setting IP address
Do not use "0" and "255" at the end of an IP address.
(Numbers of *.*.*.0 and *.*.*.255 are used by the
system.)
The GOT may not monitor the controller correctly with
the above numbers.
Consult with the administrator of the network before
setting an IP address to the GOT and controller.

When connecting to the multiple network
equipment (including GOT) in a segment
By increasing the network load, the transmission speed
between the GOT and PLC may be reduced.
The following actions may improve the communication
performance.
• Using a switching hub
• More high speed by 100BASE-TX (100Mbps)
• Reduction of the monitoring points on GOT

When monitoring a nonexistent or turned-off
station
If a time-out occurs with the initial communication by
monitoring a nonexistent or turned-off station, the time-
out can delay the communication with the normally
operating station.

Timing to start GOT communication
After the PLC starts up, start the GOT communication.
When the GOT starts communication before the PLC
starts up, a communication timeout occurs.

Operations during communication
During normal communication, any operation which
makes the GOT restart (including writing a project and
changing utility data)may display the system alarm,
"402 Communication timeout. Confirm communication
pathway or modules.", when the GOT restarts.
58.4 Device Range that Can Be Set
For details on the device range of controllers that can be used on GT14 Handy, refer to the following manuals.
GT Designer3 Version1 Screen Design Manual (Fundamentals)
GOT1000 Series Connection Manual (Non-Mitsubishi Products 2) for GT Works3