.rd Read transponder Command

Performs an inventory of transponders within the read range of the reader and then reads the data from the requested bank. Returns an error if no transponders are found.

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Parameters

Identifier	Values	Description
-al	on/off	perform an alert after a successful read using the current alert parameters from the .al command
-ap	xxxxxxxx	Access password, where xxxxxxxx is an 8 character ASCII Hex value
-c	on/off	Include EPC checksum response
-db	epc/tid/usr/res	Data bank to read from
-dl	xx	Data length, size of the data to read (number of 16 bit words in the range 1 to 253 decimal i.e. 01 to FD hex), where xx is a 2 character ASCII Hex value
-do	xxxx	Data offset, the number of 16 bit words, from the start of the block, to start read from, where xxxx is a 4 character ASCII Hex value
-dt	on/off	Include date time response
-e	on/off	Include EPC PC information response
-fs	on/off	filter out all but the strongest RSSI response
-ie	on/off	Include the EPC response
-ic	on/off	Include the phase response
-ip	on/off	Include the channel frequency response
-io	on/off	Inventory only, if set to on then no select will be performed before the inventory round phase is started
-ix	on/off	Index number each transponder response
-n		No action, just set the parameters
-o	nn	Output power in dBm, where nn is in the range 10 to 29
-p		List the parameter and their current values
-ql	all/nsl/sl	query Select
-qm	n	QT mode
-qs	s0,s1,s2,s3	query Session
-qt	a/b	query Target
-qv	nn	Q value (0..15)
-r	on/off	Include transponder RSSI response
-sa	n	Select action
-sb	epc/tid/usr	Bank to use for the select mask
-sd	xx..zz	Select mask data in 2 character ASCII Hex bytes padded to ensure full bytes, up to a maximum of 32 bytes.
-sl	xx	Length in bits of the select mask, where xx is a 2 character ASCII Hex value
-so	xxxx	Number of bits from the start of the block to the start of the select mask, where xxxx is a 4 character ASCII Hex value
-st	s0,s1,s2,s3,sl	Select target
-x		Reset the parameters to defaults

Parameter detail

-al

perform an alert after a successful read using the current alert parameters from the .al command

Type	Enum
Value	on/off
Range	on/off
Order In Interpretation	2
Default Value	on

-ap

Access password, where xxxxxxxx is an 8 character ASCII Hex value

Type	HEX
Value	xxxxxxxx
Range	8 Hex digits
Order In Interpretation	27
Default Value	00000000

-c

Include EPC checksum response

Type	Enum
Value	on/off
Range	on/off
Order In Interpretation	3
Default Value	off

-db

Data bank to read from

Type	Enum
Value	epc/tid/usr/res
Range	epc/tid/usr/res
Order In Interpretation	25
Default Value	epc

-dl

Data length, size of the data to read (number of 16 bit words in the range 1 to 253 decimal i.e. 01 to FD hex), where xx is a 2 character ASCII Hex value

Type	HEX
Value	xx
Range	2 Hex digits
Order In Interpretation	28
Default Value	02

-do

Data offset, the number of 16 bit words, from the start of the block, to start read from, where xxxx is a 4 character ASCII Hex value

Type	HEX
Value	xxxx
Range	4 Hex digits
Order In Interpretation	26
Default Value	0000

-dt

Include date time response

Type	Enum
Value	on/off
Range	on/off
Order In Interpretation	9
Default Value	off

-e

Include EPC PC information response

Type	Enum
Value	on/off
Range	on/off
Order In Interpretation	4
Default Value	off

-fs

filter out all but the strongest RSSI response

Type	Enum
Value	on/off
Range	on/off
Order In Interpretation	10
Default Value	off

-ie

Include the EPC response

Type	Enum
Value	on/off
Range	on/off
Order In Interpretation	6
Default Value	on

-ic

Include the phase response

Type	Enum
Value	on/off
Range	on/off
Order In Interpretation	7
Default Value	off

-ip

Include the channel frequency response

Type	Enum
Value	on/off
Range	on/off
Order In Interpretation	8
Default Value	off

-io

Inventory only, if set to on then no select will be performed before the inventory round phase is started

Type	Enum
Value	on/off
Range	on/off
Order In Interpretation	17
Default Value	off

-ix

Index number each transponder response

Type	Enum
Value	on/off
Range	on/off
Order In Interpretation	11
Default Value	off

-n

No action, just set the parameters

Type	Switch
Value
Range
Order In Interpretation	30

-o

Output power in dBm, where nn is in the range 10 to 29

Type	Output power
Value	nn
Range
Order In Interpretation	16
Default Value	29

-p

List the parameter and their current values

Type	Switch
Value
Range
Order In Interpretation	29

-ql

query Select

Type	Enum
Value	all/nsl/sl
Range	all/nsl/sl
Order In Interpretation	21
Default Value	all

-qm

QT mode

QT mode n =	Description
0	Standard read
1	Read from private memory
2	Read from private memory short range
3	Read the QT control word

Type	Numeric
Value	n
Range
Order In Interpretation	18
Default Value	0

-qs

query Session

Type	Enum
Value	s0,s1,s2,s3
Range	s0/s1/s2/s3
Order In Interpretation	22
Default Value	s2

-qt

query Target

Type	Enum
Value	a/b
Range	a/b
Order In Interpretation	23
Default Value	b

-qv

Q value (0..15)

Type	Output power
Value	nn
Range
Order In Interpretation	24
Default Value	4

-r

Include transponder RSSI response

Type	Enum
Value	on/off
Range	on/off
Order In Interpretation	5
Default Value	off

-sa

Select action

Parameter n=	Matching Action		Non Matching Action
Parameter n=	SL Flag	Session Flag	SL Flag	Session Flag
0	assert	Set A	deassert	Set B
1	assert	Set A	nothing	nothing
2	nothing	nothing	deassert	Set B
3	toggle	toggle	nothing	nothing
4	deassert	Set B	assert	Set A
5	deassert	Set B	nothing	nothing
6	nothing	nothing	assert	Set A
7	nothing	nothing	toggle	toggle

Type	Numeric
Value	n
Range
Order In Interpretation	19
Default Value	4

-sb

Bank to use for the select mask

Type	Enum
Value	epc/tid/usr
Range	epc/tid/usr
Order In Interpretation	12
Default Value	epc

-sd

Select mask data in 2 character ASCII Hex bytes padded to ensure full bytes, up to a maximum of 32 bytes.

Type	HEX
Value	xx..zz
Range	Integer number of HEX bytes
Order In Interpretation	15
Default Value

-sl

Length in bits of the select mask, where xx is a 2 character ASCII Hex value

Type	HEX
Value	xx
Range	2 Hex digits
Order In Interpretation	14
Default Value	00

-so

Number of bits from the start of the block to the start of the select mask, where xxxx is a 4 character ASCII Hex value

Type	HEX
Value	xxxx
Range	4 Hex digits
Order In Interpretation	13
Default Value	0000

-st

Select target

Type	Enum
Value	s0,s1,s2,s3,sl
Range	s0/s1/s2/s3/sl
Order In Interpretation	20
Default Value	s2

-x

Reset the parameters to defaults

Type	Switch
Value
Range
Order In Interpretation	1

Parameter Interpretation Order

-x, -al, -c, -e, -r, -ie, -ic, -ip, -dt, -fs, -ix, -sb ,-so, -sl, -sd, -o, -io, -qm, -sa, -st, -ql, -qs, -qt, -qv, -db, -do, -ap, -dl, -p, -n

Parameter Defaults

-al on, -ap 00000000, -c off, -db epc, -dl 02, -do 0000, -dt off, -e off, -fs off, -ic off, -ip off, -ie on, -io off,
-ix off, -o 29, -ql all, -qm 0, -qs s2, -qt b, -qv 4, -r off, -sa 4, -sb epc, -sd, -sl 00, -so 0000, -st s2

Response Headers

CF CR CS DT EA EB EP ER IX ME OK PC PH PR QT RD RI

Examples

Command	Response	Action
.rd -p -n	CS: .rd -p -n PR: -al on -ap 00000000 -c off -db epc -dl 02 -do 0000 -dt off -e off –fs off ie on -io off -ix off -n -o 29 -p -ql all –qm 0 -qs s2 -qt b -qv 6 -r off -sa 4 -sb epc -sd -sl 00 -so 0000 -st s2 -x OK:	none
.rd	CS: .rd EP: 310833B2DDD906C000001234 RD: C3993000 EP: 341486E37C00000000004254 RD: 70CF3000 OK:	2 transponders read
.rd -dt on -e on	CS: .rd -dt on -e on DT: 2019-01-26T19:00:52 EP: 341486E37C00000000004254 PC: 3000 RD: 70CF3000 EP: 310833B2DDD906C000001234 PC: 3000 RD: C3993000 OK:	2 transponders read

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