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
Summary of Contents for EJ1G
Page 3: ...iv ...
Page 17: ...xviii ...
Page 21: ...xxii ...
Page 53: ...32 Unit Configuration Examples Section 2 4 ...
Page 69: ...48 Changing SPs During Operation Section 3 3 ...
Page 81: ...60 Other Functions Section 4 5 ...
Page 145: ...124 Other HFU Functions Section 5 7 ...
Page 167: ...146 Detailed Description of Services Section 6 4 ...
Page 229: ...208 Parameters That Can Be Allocated for Programless Communications Appendix ...
Page 237: ......