Format Codes - GE MM300 Manual

CHAPTER 2: RS485 INTERFACE (MODBUS RTU)
Modbus Hex Description
41576 0627 Hard Wired Stop Actn
41577 0628 Hard Wired 2W/3W
41578 0629 Field Start Ctrl
41579 062A Field Stop Mode
41580 062B Field Stop Action
41581 062C Field 2W/3W
41582 062D MCC Start Ctrl
41583 062E MCC Stop Mode
41584 062F MCC Stop Action
41585 0630 Test Auto Mode
41586 0631 Test Manual Mode
41587 0632 External Stop Action
41588 0633 Auto/Manual Key
41589 0634 Reserved
▼ ▼ ▼
41696 069F Reserved
FLEXLOGIC EQUATION
41697 06A0 Flex Equation
42209 08A0 Reserved
▼ ▼ ▼
43763 0EB2 Reserved
1. Maximum setpoint value represents OFF
2.Modbus registers 30391 and 30398 both represent the same actual value, Apparent Power.

Format codes

MM300 MOTOR MANAGEMENT SYSTEM – COMMUNICATIONS GUIDE
Min
0
0
0
0
0
0
0
0
0
0
0
0
0
---
▼
0
---
▼
Code Type
F1 16 bits
Example: 1234 stored as 1234
F2 16 bits
Example: 123.4 stored as 1234
F3 16 bits
Example: 12.34 stored as 1234
F4 16 bits
Example: -1234 stored as -1234 i.e. 64302
F6 16 bits
Example: -12.34 stored as -1234 i.e. 64302
F9 32 bits
Max Step Units
1 1 ---
1 1 ---
1 1 ---
1 1 ---
1 1 ---
1 1 ---
1 1 ---
1 1 ---
1 1 ---
2 1 ---
2 1 ---
1 1 ---
1 1 ---
--- --- ---
▼ ▼ ▼
0xFFFF 1
--- --- ---
▼ ▼ ▼
Definition
UNSIGNED VALUE - Maximum Setpoint Value
represents OFF when marked "*" on the Modbus
Memory Map
UNSIGNED VALUE, 1 DECIMAL PLACE - Maximum
Setpoint Value represents OFF when marked "*" on
the Modbus Memory Map
UNSIGNED VALUE, 2 DECIMAL PLACES - Maximum
Setpoint Value represents OFF when marked "*" on
the Modbus Memory Map
2's COMPLEMENT SIGNED VALUE - Maximum Setpoint
Value represents OFF when marked "*" on the Modbus
Memory Map
2's COMPLEMENT SIGNED VALUE, 2 DECIMAL PLACES
UNSIGNED LONG VALUE
FORMAT CODES
Format Default Size in
Words
FC174 0 1
FC173 1 1
FC126 0 1
FC172 0 1
FC174 0 1
FC173 1 1
FC126 0 1
FC172 0 1
FC174 0 1
FC175 1 1
FC175 0 1
FC174 0 1
FC126 0 1
--- --- 7
▼ ▼ ▼
1
FC142 0x400 512
--- --- 1
▼ ▼ ▼
2
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