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UR FAMILY – COMMUNICATIONS GUIDE
MEMORY MAP
CHAPTER 2: MODBUS COMMUNICATION
2
The FlexLogic BASE type is 14 bits and is combined with a 17-bit
descriptor and 1 bit for the protection element to form a 32-bit
value. The combined bits are of the form:
PTTTTTTTTTTTTTTDDDDDDDDDDDDDDDDD, where P bit if set
indicates that the FlexLogic type is associated with a protection
element state and D represents bits for the type in F124 format. If
P bit is not set, then the T represents bits for the type and D repre-
sents range.
The values in square brackets indicate the base type with P prefix
[PTTTTTTTTTTTTTT] and the values in round brackets indicate the
descriptor range. The left-most D bit indicates whether the type is
an ON or OFF type. There can be a total 65535 BASE type ele-
ments, 131071 protection element IDs, and 16383 element states.
There can be a total of 65535 descriptors of each type.
[0] Off (0) – This is boolean FALSE value
[1] On (1) – This is boolean TRUE value
[2] CONTACT INPUTS (1 to 120)
[3] CONTACT INPUTS OFF (1 to 120)
[4] VIRTUAL INPUTS (1 to 32)
[6] VIRTUAL OUTPUTS (1 to 64)
[8] CONTACT OUTPUTS (1 to 72)
[10] CONTACT OUTPUTS VOLTAGE DETECTED (1 to 72)
[11] CONTACT OUTPUTS VOLTAGE OFF DETECTED (1 to 72)
[12] CONTACT OUTPUTS CURRENT DETECTED (1 to 72)
[13] CONTACT OUTPUTS CURRENT OFF DETECTED (1 to 72)
[14] REMOTE INPUTS (1 to 32)
[16] DIRECT INPUTS (1 to 96)
[18] REMOTE OUTPUT DNA BIT PAIRS (1 to 32)
[20] REMOTE OUTPUT UserSt BIT PAIRS (1 to 32)
[22] REMOTE DEVICE ONLINE (1 to 16)
[24] MISCELLANEOUS EQUATION
[26] TELEPROTECTION INPUTS
[28] INSERT (via keypad only)
[30] DELETE (via keypad only)
[32] END
[34] NOT (1 INPUT)
[36] 2 INPUT XOR (0)
[38] LATCH SET/RESET (2 inputs)
[40] OR (2 to 16 inputs)
[42] AND (2 to 16 inputs)
[44] NOR (2 to 16 inputs)
[46] NAND (2 to 16 inputs)
[48] TIMER (1 to 32)
[50] ASSIGN VIRTUAL OUTPUT (1 to 64)
[52] ONE SHOT
[54] SELF-TEST ERROR (see F141 for range)
[56] PLATFORM DIRECT INPUT (1 to 96)
[58] PLATFORM DIRECT OUTPUT (1 to 96)
[60] PLATFORM DIRECT DEVICE (1 to 8)
[62] MISCELLANEOUS EVENTS (see F146 for range)
[64] PDC NETWORK CONTROL
[66] PMU RECORDER OUT OF MEMORY
[68] PMU RECORDER STOPPED
[128 to 255] ELEMENT STATES (see the Element States section in
the Modbus memory map)
F400
UR_UINT16: CT/VT BANK SELECTION
F450
UR_UINT16: AMBIENT SENSOR TYPES
This is a dynamic format code that is populated at initialization
with transducer types as specified in the order code.
F460
UR_UINT16: TOP-OIL SENSOR TYPES
This is a dynamic format code that is populated at initialization
with transducer types as specified in the order code.
F470
UR_UINT16: TRANSFORMER REFERENCE WINDING SELEC-
TION
F490
UR_UINT16: HI-SPEED CONTACTS
Off, available contact outputs
F491
ENUMERATION: ANALOG INPUT MODE
0 = Default Value, 1 = Last Known
F492
ENUMERATION: DIRECT INPUT/OUTPUT DATA RATE
0 = 64 kbps, 1 = 128 kbps, 2 = 256 kbps
F500
UR_UINT16: PACKED BITFIELD
First register indicates input/output state with bits 0 (MSB) to 15
(LSB) corresponding to input/output state 1 to 16. The second reg-
ister indicates input/output state with bits 0 to 15 corresponding
Bitmask
Bank selection
0
Card 1 Contact 1 to 4
1
Card 1 Contact 5 to 8
2
Card 2 Contact 1 to 4
3
Card 2 Contact 5 to 8
4
Card 3 Contact 1 to 4
5
Card 3 Contact 5 to 8
