12. Appendix
12-4
Item
Action
Refer to
Check that the terminal resistor should be
properly connected.
Abnormal battery
voltage
Check that the battery should be properly
connected.
Replace the battery if it has been used for years
(battery life depends on the use conditions).
In the 10BASE-T
LAN environment,
firmware updating
and/or setup file
updating failed
In a 10BASE-T LAN environment, a
communication failure may occur if a computer
with Windows 7 OS is connected to EQ100.
In such a case, use a hub that can convert
10BASE-T/100BASE-TX and use 100BASE-TX
for a connection to the computer.
Cannot transition
to the collecting
status
Check that the plus and minus wiring should be
correct.
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.
Operation
Manual/User's Manual
of LAN-Connected
Measurement Device
Data from a
measurement
device connected
via RS-485 are
occasionally lost
Check that the hard wiring should not be
branched. Connection must be chain-linked.
Check that the terminal resistor should be
properly connected.
Abnormal battery
voltage
Check that the battery should be properly
connected.
Replace the battery if it has been used for years
(battery life depends on the use conditions).
In the 10BASE-T
LAN environment,
firmware updating
and/or setup file
updating failed
In a 10BASE-T LAN environment, a
communication failure may occur if a computer
with Windows 7 OS is connected to EQ100.
In such a case, use a hub that can convert
10BASE-T/100BASE-TX and use 100BASE-TX
for a connection to the computer.