5 External Input/Output Function
40
No. 99MBC109B
5.3.4 Timing Chart
RS-232C command input and response
output
HOLD input and response output
(Parameter number 28: 0 or 1)
(Parameter number 28: 2)
LF
LF
Max. 10 ms
Min. 10 ms
LF
Command
Response output
RS_EXT
LF
Max. 10 ms
Min. 10 ms
HOLD
Data latch 10 µs
Response output
RS_EXT
Tips
• RS output will be suspended during command operation.
• While the HOLD trigger is selected, the RS-232C commands are disabled.
• When connected via RS LINK, RS_EXT of the last Counter is active.
• For EH-102D, the time up to the data latch depends on the type of the Linear Gage.
5.4
RS LINK Function
With PC (including SENSORPAK) or PLC control, you can control a maximum
of 10 Counters using the RS LINK function.
5.4.1 Connections
Connect between IN and OUT of the RS_LINK connectors as shown in the
following figure.
IN OUT
RS LINK
IN OUT
IN OUT
RS-232C
RS LINK
RS LINK
First Counter
Last Counter
Max. 10 Counters
Max. 10 m
RS LINK connection cable
Tips
• When using SENSORPAK, you can connect to a PC using USB 2.0.
• Do not connect anything to the RS_LINK connector (IN) of the first Counter or to the RS_
LINK connector (OUT) of the last Counter.
• When the power switch is turned on and the settings are initialized, the channel number
of the Linear Gages will be automatically assigned 01, 02, and 03 from the first Counter in
the order in which they are connected.
• Contact Mitutoyo if you wish you connect 10 or more Counters or use a total cable length
of 10 m or more.
• For about the RS LINK connection cable, see "7.3 Option" (page 54).
Summary of Contents for 542-071
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