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Connecting More Than 16 Controllers
If more than 16 G3ZA Controllers are connected, set SW2 to between 8 and B for the 17th Controller on. The
relationship between the settings of SW1 and SW2 is shown in the following table.
kbit/s
sw1
0
sw2
9.6
0
00
01
19.2
1
38.4
2
57.6
3
---
4 to 7
9.6
8
16
17
19.2
9
38.4
A
57.6
B
---
C to F
Note
(1) Up to 31 Controllers can be connected.
(2) Do not set SW2 to between 4 and 7 or C and F.
(3) It's easiest to set the communications unit number first and then the baud rate.
Setting example: The following settings would be used to set a Controller to communications unit number 7
and a baud rate of 38.4 kbit/s.
SW1 = 7 and SW2 = 2
Parameter Tables
Parameter Tables
Status
Bit
31 to 13
Not used.
12
Start/stop
11
Not used.
10
Not used.
9
Alarm output (applies to all channels)
8
Control output
7
Not used.
6
Not used.
5
Communications error (applies to all channels)
4
Zero cross error (applies to all channels)
3
Not used.
2
Heater overcurrent
1
SSR short circuit
0
Heater burnout
Example:
Condition
Alarm output and zero cross error bit are ON.
Stopped with no errors
38
1
2
3
4
5
02
03
04
05
18
19
20
21
Status
6
7
8
9
A
06
07
08
09
10
22
23
24
25
26
OFF
ON
OFF
---
Operating
Stopped
OFF
---
OFF
---
OFF
ON
OFF
ON
OFF
---
OFF
---
No
Yes
No
Yes
OFF
---
No
Yes
No
Yes
No
Yes
Status
H'00000210
H'00001000
Appendix
B
C
D
E
F
11
12
13
14
15
27
28
29
30
31
Operating
Output
Error
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