Parameter Details
12
12.8 H: Terminal Function Selection
YASKAWA SIEPC71061753C GA500 Technical Manual 669
■ MEMOBUS/Modbus MFAI 1 to 3 Function Selection
You can set the MFAI function to MEMOBUS/Modbus register15C1 to 15C3 (Hex.) [Mbus Reg 15C1h through
15C3h Input Function]. Use H3-40 to H3-42 [Mbus Reg 15C1h through 15C3h Input Function] to set the
function for each register and use H3-43 [Mbus Reg Inputs FilterTime Const] to set the input filter.
Table 12.65 MEMOBUS Multi-Function AI Command Register
Register number
(Hex.)
Name Range
*1
Parameter
15C1 Mbus Reg 15C1h Input Function -32767 to +32767 H3-40
15C2 Mbus Reg 15C2h Input Function -32767 to +32767 H3-41
15C3 Mbus Reg 15C3h Input Function -32767 to +32767 H3-42
*1 Set as 100% = 4096.
Figure 12.91 Functional Block Diagram for MEMOBUS Multi-Function AI Command 1
Note:
• Refer to Multi-Function Analog Input Terminal Settings on page 672 for the analog input setting values.
• When you will not use the terminal, set H3-40 to H3-42 = F. Parameters H3-40 to H3-42 do not support the through mode.
• You cannot use H3-40 to H3-42 to set these MFAI functions:
H3-xx Setting Value Function
0 Frequency Reference
1 Frequency Gain
2 Auxiliary Frequency Reference 1
3 Auxiliary Frequency Reference 2
30 DWEZ Analog Input 1
31 DWEZ Analog Input 2
◆ H3: MFAI Parameters
■ H3-01: Terminal A1 Signal Level Select
No.
(Hex.)
Name Description
Default
(Range)
H3-01
(0410)
Terminal A1 Signal Level
Select
Sets the input signal level for MFAI terminal A1.
0
(0, 1)
0 : 0 to 10V (Lower Limit at 0)
The voltage signal is 0 Vdc to 10 Vdc. The minimum input level limit is 0%. The drive will read a negative input
signal caused by gain and bias settings as 0%.
1 : 0 V to 10 V (Without Lower Limit)
The voltage signal is 0 Vdc to 10 Vdc. When this setting is used as the frequency reference, the motor runs
reverse when the Forward run command is input, or runs forward when the Reverse run signal is input, while the
signal is a negative number due to gain and bias.
■ H3-02: Terminal A1 Function Selection
No.
(Hex.)
Name Description
Default
(Range)
H3-02
(0434)
Terminal A1 Function
Selection
Sets the function for MFAI terminal A1.
0
(0 - 32)
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