Table of Contents
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12. Appendix
Item
Check that the terminal resistor should be
properly connected.
Abnormal battery
Check that the battery should be properly
voltage
connected.
Replace the battery if it has been used for years
(battery life depends on the use conditions).
In the 10BASE-T
In a 10BASE-T LAN environment, a
LAN environment,
communication failure may occur if a computer
firmware updating
with Windows 7 OS is connected to EQ100.
and/or setup file
In such a case, use a hub that can convert
updating failed
10BASE-T/100BASE-TX and use 100BASE-TX
for a connection to the computer.
Cannot transition
Check that the plus and minus wiring should be
to the collecting
correct.
status
Check that the RS-485 communications settings
(communication speed, data length, stop bits,
vertical parity) of EQ100 and measurement
devices should be the same for each port.
Check that the unit numbers should not be the
same for the same port.
Check that the terminal resistor should be
properly connected.
Check that a channel has been registered in the
EQ project.
If a LAN measurement device is connected at
10Mbps, replace the hub and/or the cable and
connect at 100Mbps.
Data from a
Check that the hard wiring should not be
measurement
branched. Connection must be chain-linked.
device connected
via RS-485 are
Check that the terminal resistor should be
occasionally lost
properly connected.
Abnormal battery
Check that the battery should be properly
voltage
connected.
Replace the battery if it has been used for years
(battery life depends on the use conditions).
In the 10BASE-T
In a 10BASE-T LAN environment, a
LAN environment,
communication failure may occur if a computer
firmware updating
with Windows 7 OS is connected to EQ100.
and/or setup file
In such a case, use a hub that can convert
updating failed
10BASE-T/100BASE-TX and use 100BASE-TX
for a connection to the computer.
Action
Refer to
"7.6.5. Configuring
RS-485
Communications
Port"
"5.2. Battery"
"5.2. Battery"
"7.6.5. Configuring
RS-485
Communications Port"
"7.6.5. Configuring
RS-485
Communications Port"
"7.6.5. Configuring
RS-485
Communications Port"
"7.6.5. Configuring
RS-485
Communications Port"
"7.4.4. Channel
Registration"
Operation
Manual/User's Manual
of LAN-Connected
Measurement Device
"7.6.5. Configuring
RS-485
Communications Port"
"7.6.5. Configuring
RS-485
Communications Port"
"5.2. Battery"
"5.2. Battery"
12-4
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