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18 | WECM / Emerald eZA Manual
Read / Write
Function
Address and Notes
W(06)
WWrite Target direction
Write Register address: 0x0004
0: CW
1: CCW
W(06)
Turn on/off Fire mode
Write Register address: 0x0005
0: Out fire mode
1: In fire mode
W(06)
Write Local/remote
Write Register address: 0x0006
0: Local
1: Remote
W(06)
Write Modbus address
Write Register address: 0x0007
W(06)
Write Serial Configure: Baud Rate
Write Register address: 0x0008
Refer to Table 6.3
W(06)
Write Serial Configure: Parity & Stop
Write Register address: 0x0009
Refer to Table 6.4
W(06)
Write New Serial Configure Enable
Write Register address: 0x000A
0: None action;
1: Enable configure
W(16)
Write Multi register
Write Register address:0000
Table 9 - Register table.
11. Fault error code
Error Code
Fault Description
0x0001
DCBUS LOW
0x0002
DCBUS HIGH
0x0003
OVER CURRENT (HARDWARE PROTECTION)
0x0004
TEMPERATURE CRITICALLY HIGH
0x0005
LOCKED ROTOR
0x0006
COMMUNICATION TIMEOUT
0x0007
OVER LOAD
0x0008
OVER SPEED
7. PRODUCT PROTECTIONS AND FAULT DIAGNOSIS
WECM / Emerald eZA products have the following electronic protections:
Input under voltage protection.
Input over voltage protection.
Input over load protection.
Locked rotor protection.
Over temperature protection.
Output overcurrent / short-circuit protection.
WECM / Emerald eZA products have LED’s in the opening on the back side to indicate the solution status and to help in
the fault diagnosis:
Input Power supply
Motor status
LED #1
LED #2
Off
Stopped
Off
Off
On
Stopped
Off
Blinking (1 Hz)
On
Running
On
Blinking (1 Hz)
On
Fault
Blinking according fault
(check
Table 9)
Blinking (1 Hz)
