Super Systems AC20 RS485 Modbus - Manual (Page 34)

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TITLE: MODBUS/J-BUS Protocol for SSi’s- AC20 ENG. 824E REV. 1
BITS FOR DEVICE IN CONTROL MODE
ADDRESS
(decimal) Display R
W
R
JBus Mod
Bus
DESCRIPTION MNEM
CODE
E
A
D I
T
E
250 249 Unsolicited request flag for probe test data
Range:
0 = No change on probe test data
1 = The probe test is terminated and new
data are available
x
251 250 Unsolicited request flag group hidden
Range:
0 = No Parameters change is occurred
1 = Parameters change is occurred
Note:
Changes produced by serial link will not be
flaged. The bit resets after reading
x
252 251 Unsolicited request flag group 1
Note:
See “Unsolicited Request Flag Group Hidden”
x
253 252 Unsolicited request flag group 2
Range:
0 = No status change is occurred
1 = Status change is occurred
Note:
The information of group 2 are on Modbus
bits 211, 212, 221
x
254 253 Unsolicited request flag group 3
Note:
See “Unsolicited Request Flag Group Hidden”
x
255 254 Unsolicited request flag group 4
Note:
See “Unsolicited Request Flag Group Hidden”
x
256 255 Unsolicited request flag group 5
Note:
See “Unsolicited Request Flag Group Hidden”
x
257 256 Unsolicited request flag group 6
Note:
See “Unsolicited Request Flag Group Hidden”
x
258 257 Unsolicited request flag group 7
Note:
See “Unsolicited Request Flag Group Hidden”
x
259 258 Unsolicited request flag group 8
Note:
See “Unsolicited Request Flag Group Hidden”
x
260 259 Unsolicited request flag group 9
Range:
0 = No change on status of auxiliary output
10
÷
19
1 = One or more auxiliary output is changed
Note:
See “Unsolicited Request Flag Group Hidden”
x