Eaton EASY222-DN, Руководство пользователя

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Read/write function block data
135
09/10 MN05013007Z-EN
Timing relays: T1 – T16
Telegram structure
Table 66: Operand overview
Byte Meaning Value (hex), sent by
Master Slave Master Slave
Attribute ID
Read 89 –
Write 8D –
0 Response:
Read successful – C2
Write successful – C1
Command rejected – C0
1)
0 1 Part no. 8E 8E
1 2 Instance
2
00 – 0F 00 – 0F
2 3 Index a table 66 a table 66
3 – 6 4 – 7 Data 1 – 4 depending on
index,
a table 67
depending on
index,
a table 67
1) Possible causes a page 144
2) easy provides 16 timing relays T1 to T16 for use as required. These can be addressed using the
instance (0 – F).
Index
(hex) Operand Read Write
00 Parameters
a
table 67
x
01 Control byte a table 68 x
02 Actual value 1 T x c
1)
03 Time setpoint 1 S1
2)
x c
1)
04 Time setpoint 2 S2
2)
x c
1)
1) The value can only be written if it is assigned to a constant in the
program.
2) A 16-bit value is transferred in the data bytes Data 1 – Data 2. Be
aware that the Low byte is kept in Data 1 and the High byte in Data 2.