Eaton ELC Series, Instruction Sheet

Page: 6 / 10

E
L
C
-E
X
1
6
N
N
D
R
E
L
C
-A
N
0
2
N
A
N
N
35mm DIN rail
ƒ
Modbus Parameter
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Function Codes Supported
Function code Explanation Devices supported
0x01 Read Coil RX, RY, T, R, C
0x02 Read discrete input RX, RY, T, R, C
0x03 Read holding register BR, T, C, RCR
0x05 Write Single coil RY, T, R, C
0x06 Write single holding register BR, T, C, RCR
0x0F Write multiple coils RY, T, R, C
0x10 Write multiple holding registers BR, T, C, RCR
0x17 Read/write multiple holding registers BR, T, C, RCR
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Exception Codes Supported
Exception code Explanation
0x01 Illegal function
0x02 Illegal data address
0x03 Illegal data value
0x04 Slave device failure
0x0A Gateway path unavailable
0x0B Gateway target device failed to respond.
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Device Type & Device Address
Discrete input
Device
type
Explanation
Modbus address
(Hex)
6-digit Modbus
address (Dec)
Number
RX Discrete Input 0x0400 ~ 0x04FF 101025 ~ 101280 256
Coil
Device
type
Explanation
Modbus address
(Hex)
6-digit Modbus
address (Dec)
Number
RY Discrete Output 0x0500~0x05FF 001281~001537 256
T Timer (bit) 0x1600~0x160F 005633~005649 16
R RTC (bit) 0x1900~0x190F 006401~006416 16
C Counter (bit) 0x1E00~0x1E0F 007681~007696 16
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