Table of Contents
Advertisement
7 COMMUNICATIONS
Table 7–6: 745 DATA FORMATS (Sheet 19 of 25)
CODE
APPLICABLE BITS
F70
16 bits
Trace/Playback Channel Selector Index = 0 to 10
(i.e. any current input)
2'S COMPLEMENT SIGNED VALUE
Example: 1.000 x CT stored as 500; -0.500 x CT stored as -250
Trace/Playback Channel Selector Index = 11 (i.e. Voltage)
2'S COMPLEMENT SIGNED VALUE
Example: 1.000 x VT stored as 1000; -0.500 x VT stored as -500
Trace Channel Selector Index = 12 (i.e. Logic Inputs)
AS PER FORMAT F49
Example: "Logic Inputs 1 and 3 closed" stored as 0005 hex
Trace Channel Selector Index = 13 (i.e. Output Relays)
AS PER FORMAT F50
Example: "Output Relays 2 and 4 energized" stored as 000Ah
F71
16 bits
0000 0000 0000 0000
0000 0000 0000 0001
0000 0000 0000 0010
0000 0000 0000 0011
0000 0000 0000 0100
F72
16 bits
xxxx xxxx xxxx xxx1
xxxx xxxx xxxx xx1x
xxxx xxxx xxxx x1xx
xxxx xxxx xxxx 1xxx
F73
16 bits
0000 0000 0000 0000
0000 0000 0000 0001
0000 0000 0000 0010
F74
16 bits
0000 0000 0000 0000
0000 0000 0000 0001
0000 0000 0000 0010
0000 0000 0000 0011
0000 0000 0000 0100
F75
16 bits
0000 0000 0000 0000
0000 0000 0000 0001
F76
16 bits
0000 0000 0000 0000
0000 0000 0000 0001
0000 0000 0000 0010
0000 0000 0000 0011
0000 0000 0000 0100
0000 0000 0000 0101
0000 0000 0000 0110
0000 0000 0000 0111
0000 0000 0000 1000
0000 0000 0000 1001
0000 0000 0000 1010
0000 0000 0000 1011
0000 0000 0000 1100
0000 0000 0000 1101
0000 0000 0000 1110
GE Multilin
Courtesy of NationalSwitchgear.com
DEFINITION
TRACE/PLAYBACK MEMORY DATA
FACTORY SERVICE COMMANDS
0 = Clear Any Pending Commands
1 = Load Factory Default Setpoints
2 = Load Default Calibration Data
3 = Clear Diagnostic Data
4 = Clear RMS Min/Max Data
FORCE OTHER HARDWARE
LEDs (0=Normal, 1= Use LED force
codes)
Not Used
External Watchdog
(0=Normal, 1=Stop Updating)
Internal Watchdog
(0=Normal, 1=Stop Updating)
PARITY
0 = None
1 = Odd
2 = Even
EDIT SETPOINT GROUP
0 = Group 1
1 = Group 2
2 = Group 3
3 = Group 4
4 = Active Group
VIRTUAL INPUT PROGRAMMED
STATE
0 = Open
1 = Closed
FLEXLOGIC EQUATION ERROR
0 = None
1 = Output Relay 1
2 = Output Relay 2
3 = Output Relay 3
4 = Output Relay 4
5 = Output Relay 5
6 = Output Relay 6
7 = Output Relay 7
8 = Output Relay 8
9 = Trace Memory Trigger
10 = Virtual Output 1
11 = Virtual Output 2
12 = Virtual Output 3
13 = Virtual Output 4
14 = Virtual Output 5
745 Transformer Management Relay
7.4 MODBUS MEMORY MAP
Table 7–6: 745 DATA FORMATS (Sheet 20 of 25)
CODE
APPLICABLE BITS
DEFINITION
F77
16 bits
BAD TRANSFORMER SETTINGS
ERROR
0000 0000 0000 0000
0 = None
0000 0000 0000 0001
1 = W1-W2 Ratio Mismatch
0000 0000 0000 0010
2 = W1-W3 Ratio Mismatch
0000 0000 0000 0011
3 = Load Loss
0000 0000 0000 0100
4 = W1 Eddy-Current Loss
0000 0000 0000 0101
5 = W2 Eddy-Current Loss
0000 0000 0000 0110
6 = W3 Eddy-Current Loss
0000 0000 0000 0111
7 = W1 Rated Load
0000 0000 0000 1000
8 = W2 Rated Load
0000 0000 0000 1001
9 = W3 Rated Load
F78
16 bits
UNSIGNED VALUE
AUTORANGING BASED ON
WINDING 1 PHASE CT PRIMARY
For CT PRIMARY ≤ 2 A
Format: Unsigned value, 3 decimal places
Example: 1.234 stored as 1234
For 2 A < CT PRIMARY ≤ 20 A
Format: Unsigned value, 2 decimal places
Example: 12.34 stored as 1234
For 20 A < CT PRIMARY ≤ 200 A
Format: Unsigned value, 1 decimal place
Example: 123.4 stored as 1234
For 200 A < CT PRIMARY ≤ 2000 A
Format: Unsigned value
Example: 1234 stored as 1234
For CT PRIMARY > 2000 A
Format: Unsigned value, scaled by 10
Example: 12340 stored as 1234
F79
16 bits
UNSIGNED VALUE
AUTORANGING BASED ON
WINDING 2 PHASE CT PRIMARY
For CT PRIMARY ≤ 2 A
Format: Unsigned value, 3 decimal places
Example: 1.234 stored as 1234
For 2 A < CT PRIMARY ≤ 20 A
Format: Unsigned value, 2 decimal places
Example: 12.34 stored as 1234
For 20 A < CT PRIMARY ≤ 200 A
Format: Unsigned value, 1 decimal place
Example: 123.4 stored as 1234
For 200 A < CT PRIMARY ≤ 2000 A
Format: Unsigned value
Example: 1234 stored as 1234
For CT PRIMARY > 2000 A
Format: Unsigned value, scaled by 10
Example: 12340 stored as 1234
F80
16 bits
UNSIGNED VALUE
AUTORANGING BASED ON
WINDING 3 PHASE CT PRIMARY
For CT PRIMARY ≤ 2 A
Format: Unsigned value, 3 decimal places
Example: 1.234 stored as 1234
For 2 A < CT PRIMARY ≤ 20 A
Format: Unsigned value, 2 decimal places
Example: 12.34 stored as 1234
For 20 A < CT PRIMARY ≤ 200 A
Format: Unsigned value, 1 decimal place
Example: 123.4 stored as 1234
For 200 A < CT PRIMARY ≤ 2000 A
Format: Unsigned value
Example: 1234 stored as 1234
For CT PRIMARY > 2000 A
Format: Unsigned value, scaled by 10
Example: 12340 stored as 1234
7
7-57
Advertisement
Table of Contents
