CHAPTER 2: MODBUS COMMUNICATION MEMORY MAP
UR FAMILY – COMMUNICATIONS GUIDE 2-209
2
[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
to input/output state 17 to 32 (if required). The third register indi-
cates input/output state with bits 0 to 15 corresponding to input/
output state 33 to 48 (if required). The fourth register indicates
input/output state with bits 0 to 15 corresponding to input/output
state 49 to 64 (if required).
The number of registers required is determined by the specific
data item. A bit value of 0 = Off and 1 = On.
0 = Off, 1 = On
F501
UR_UINT16: LED STATUS
Low byte of register indicates LED status with bit 0 representing
the top LED and bit 7 the bottom LED. A bit value of 1 indicates the
LED is on, 0 indicates the LED is off.
0 = Off, 1 = On
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
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