106
Programless Communications
Section 5-6
• This time will differ, depending on the PLC cycle time. Consider the PLC
system configuration and allow sufficient margin when setting the
response wait time. Communications will not be normal if this setting is
too short.
Note
Reset the EJ1G to enable settings.
This parameter is not valid when an NT Link is being used.
PLC Settings
SYSMAC CS/CJ Series
The settings are the same as made when checking operation. Refer to Check-
ing Operation with SYSMAC CS/CJ Series PLCs on page 94.
MELSEC-Q Series
The settings are the same as made when checking operation. Make settings
based on the following table if the baud rate or transmission settings need to
be changed.
■
Transmission Settings
Note
Change the settings if required. If changes are made, make the same settings
on the EJ1G.
Variable type
Parameter name
Setting range Default
F0/B0
Programless Communications
Receive Wait Time
(Common)
10 to
10000 ms
2000
Conditions for use The Programless Communications Protocol must be set to MC
protocol (format 5).
Channel
Switch number Bit position
Description
CH1
SW01
b0 to 7
Transmission settings
b8 to 15
Baud rate setting
SW02
---
Communications protocol setting
CH2
SW03
b0 to 7
Transmission settings
b8 to 15
Baud rate setting
SW04
---
Communications protocol setting
Common for both
CH1 and CH2
SW05
---
Station number setting
Bit
Description
OFF (0)
ON (1)
Setting
b0
Operation setting
Independent Linked
0
E
b1
Data bits (See note.)
7
8
1
b2
Parity bit (See note.)
No
Yes
1
b3
Even/odd parity (See note.) Odd
Even
1
b4
Stop bits (See note.)
1
2
0
E
b5
Checksum
No
Yes
1
b6
Write during RUN
Prohibited
Allowed
1
b7
Setting modifications
Prohibited
Allowed
1
Содержание EJ1G
Страница 1: ...USER S MANUAL Modular Temperature Controllers for Gradient Temperature Control EJ1G Cat No H143 E1 01 ...
Страница 3: ...iv ...
Страница 17: ...xviii ...
Страница 21: ...xxii ...
Страница 53: ...32 Unit Configuration Examples Section 2 4 ...
Страница 69: ...48 Changing SPs During Operation Section 3 3 ...
Страница 81: ...60 Other Functions Section 4 5 ...
Страница 145: ...124 Other HFU Functions Section 5 7 ...
Страница 167: ...146 Detailed Description of Services Section 6 4 ...
Страница 189: ...168 Determining the Error from the Current Situation for Heater Burnout Alarm Errors Section 7 8 ...
Страница 229: ...208 Parameters That Can Be Allocated for Programless Communications Appendix ...
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