DPX³ 250 Electronic 4P - ModbusTable LGR EN v1.01.xls

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Phoebe Allison
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1 GENERAL MODBUS TABLE ORGANIZATION Starting of the Group s Starting of the Group s System Version (Release) System Version (Build) Group Name (Text) Group Code Group Complexity Group Version State of Breaker Three-phase Electric Protection Three-phase Electric Measurement Single-channel Thermal Measurement MODBUS PROTOCOL DETAILS Code Exception Encoding 2 (Read Discrete Inputs) 1, 2, 3 "Big Endian" (most significant byte first) (Read Input s) 1, 2, 3 "Big Endian" (most significant byte first) MODBUS OVER SERIAL DETAILS Physical Layer Trasmission Modes Device ing Baud Rates (bit/s) Bits bits trasmission sequence standard EIA/TIA 85 (RS-85) twowire configuration RTU 1 27 programmable (1200, 200, 800, 9600, 19200, 3800) 8 Least significant bit first Parity Stop Bits NONE 1 MASTER/SLAVE COMMUNICATION TIMING Timer Description Timer Value (msec) Inter-character time-out < 1,5 character times Response delay (from master request) - Delay Time (between two master trasmissions) - REFER ALSO TO: - MODBUS over serial line specification and implementation guide V MODBUS APPLICATION PROTOCOL SPECIFICATION V1.1b NOTE:

2 DISCRETE INPUT - Bits (R) [bit] Description Note Read State of Breaker Open The information reported here "self-resets" when the condition that generated it ends Closed The information reported here "self-resets" when the condition that generated it ends Tripped The information reported here "self-resets" when the condition that generated it ends Three-phase Electric Protection Overload pre-alarm (threshold I1) The information reported here "self-resets" when the condition that generated it ends Overload pre-alarm (>threshold I2) The information reported here "self-resets" when the condition that generated it ends Over-temperature alarm (>threshold T) The information reported here "self-resets" when the condition that generated it ends RESERVED (returns "0") Overload P. Relay Tripped (no phase indication) The information reported here is maintained even when the condition that generated it ends. The "restore" conditions can 2 Y The presence of Switch State ality is therefore NOT binding (Example: if the switch goes back to Open => the Short circuit P. Relay Tripped (no phase indication) The information reported here is maintained even when the condition that generated it ends. The "restore" conditions can 2 Y The presence of Switch State ality is therefore NOT binding (Example: if the switch goes back to Open => the Device Protection Relay Tripped ("III element", no phase The information reported here is maintained even when the condition that generated it ends. The "restore" conditions can 2 Y indications) The presence of Switch State ality is therefore NOT binding (Example: if the switch goes back to Open => the RESERVED (returns "0") 2 Y Over-temperature P. Relay tripped The information reported here is maintained even when the condition that generated it ends. The "restore" conditions can The presence of Switch State ality is therefore NOT binding (Example: if the switch goes back to Open => the 2 Y

3 COILS - Bits (R&W) [bit] (no COILS availables) Description Note Read Write

4 INPUT REGISTERS - Words (R) [word] Bit Position Description Type Scale Unit Range Note Read Code State of Breaker State of RESERVED (returns error 8h) Y Breaker Operations counter Total value, may not be zeroed Y Maximum of Operations Not configurable Y Breaker Features - Rated Current 1 A Y Breaker Features - Device Type and number of Poles Y 3 0 Poles: number 1 Y Poles: neutral position (left(1)/right(0)) Y 7 5 RESERVED (returns"0") Y 8 Type of device: Isolating switch (0)/ Automatic (1) Y 9 Type of device: Repulsive Breaker (0)/Non Repulsive Breaker (1) Y RESERVED (returns "0") Y Tripping Features - Breaking capacity 0,01 ka Y Three-phase Electric Protection Overload P. relay (total) Tripped Counter (no phase indication) Y Short circuit P. relay (total) Tripped Counter (no phase indication) Y Device Protection Relay (total) Tripped Counter ("III element", no Y phase indications) RESERVED (returns "8000h") Y Over-temperature P. Relay (total) Tripped Counter Y Last Release data Buffer: "Tripped type reading only bit reply 0 Overload P. Relay Tripped Reply 1 Short-circuit P. Relay Tripped Reply 2 Device Protection Relay Tripped Reply ("III element") 3 Earth Fault P. Relay Tripped Reply Over-temperature P. Relay Tripped Reply 5 Differential Tripped Reply 15 6 RESERVED (returns "0") Last Release data Buffer: Interrupted current or temperature ma, C Expressed in "numeric coding" G1 overload: levels A/% Expressed in "numeric coding" Y G1 overload: times msec Expressed in "numeric coding" Y A 1 G1 overload: options Y 0 disabled(1)/active(0) Y 1 absolute value(1)/%in(0) Y 2 I2t=k MEM OFF(001)/I2t=k MEM ON(000) Y 7 5 RESERVED (returns "0") Y 15 8 point of work, Ir multiple Y B 2 G1 short circuit which may be delayed: levels A/% Expressed in "numeric coding" Y D 1 G1 short circuit which may be delayed: times msec Expressed in "numeric coding" Y E 1 G1 short circuit which may be delayed: options Y 0 Bit0=disabled(1)/active(0) Y 1 absolute value(1)/%ir(0) Y 2 curve t=k(001)/i2t=k(000) Y 7 5 RESERVED (returns "0") Y 15 8 Point of work for I2t curve, multiple of Ir) Y F RESERVED (returns h,"8000h","8000h") A/% Expressed in "numeric coding" Y G1 device protection: levels A/% Expressed in "numeric coding" Y G1 device protection: times msec Expressed in "numeric coding" Y G1 device protection: options Y 0 disabled(1)/active(0) Y 1 absolute value(1)/%in(0) Y 15 2 RESERVED (returns "0") Y RESERVED (returns 8000h,"8000h","8000h") A/% Expressed in "numeric coding" Y A 1 G1 neutral protection: levels % Expressed in "numeric coding" Y B 1 G1 neutral protection: options Y 0 disabled(1)/active(0) Y 1 0 (%phase), valid for Overload protection, may be delayed and Y Instant Short Circuit 2 0 (phase curve) Y 15 5 RESERVED (returns "0") Y C 1 G1 over-temperature protection: levels C Expressed in "numeric coding" Y D 1 G1 over-temperature protection: times msec Expressed in "numeric coding" Y Three-phase Electric Measurement Phase 1 Current Value (R) unsigned integer A

5 INPUT REGISTERS - Words (R) Phase 2 Current Value (S) unsigned integer A Phase 3 Current Value (T) unsigned integer A Neutral Current Value unsigned integer A Single-channel Thermal Measurement Sensor 1 Temperature Value signed integer C Expressed in "numeric coding"

6 HOLDING REGISTERS - Words (R&W) [word] Bit Position Description Type Scale Unit Range Note Read (no HOLDING REGISTERS availables) Write

PD300. Transformer, generator and motor protection Data sheet

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