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红狮现场仪表PAX仪表可选扩展表PAXCDC5手册.pdf
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详细说明：红狮现场仪表PAX仪表可选扩展表PAXCDC5手册pdf,Profibus-DP总线通信卡英文手册。PARAMETERIZATON
DATA EXCHANGE
The Polled Read Mask defines which PAX registers will be polled by the card
Demand Write and store Request Masks
and therefore updated in the Input Data Block. The Polled Read Mask is a 32
The demand write mask defines how data is written to the paX. The
bit integer with each bit mapped to a PAX register index. The Polled Read Mask
Demand Write Mask is a 32-bit integer with each bit mapped to a PAX register
is configured in the card by the Master sending a Parameterization telegram
index. Setting a bit in the demand Write Mask of the Output Data Block will
with 4 bytes of User Parameter Data representing the Polled Read Mask, in
force the corresponding register to be written"once only" to the PAX. Clearing
Motorola byte ordering
and re-selling the bit will cause the value lo be written again. The Dermland write
Table 2 shows the User Parameter bytes representing the Polled Read Mask
Mask is part of the Data Block structure
and gives the default value and a typical example. The default Polled read
The Write Service Status register in the Input Data Block reports when the
Mask indicates PAX register index o will be updated in the luput Block. The register has been written to the pax by setting the corresponding bit. By
cxamplc Polled Rcad Mask indicates that PAX registers 0 and 8 will bc updated
monitoring this register a PLC program can detect when the Output Data has
in the Input Block
been serviced. The bit will be cleared in the Service Status register when th
Table 2. user parameter data
corresponding bit is cleared in the Demand Write Mask
Y
The Storc mask dcfincs how the written valuc is to bc stored in thc paX. th
PAX meters have some values stored in EEPROM so they may power up in the
DESCRIPTION
Polled Read mask
last saved state. For values that change often it is possible to exceed the life ot
DEFAULT
0x00
0x00
0x00
0×01
an EEPROM with repeated writes to the same address location- this method
inhibits writes to EEPROM. The Store Mask is a 32-bit integer with each bit
EXAMPLE
0x00
0x00
0x00
0×0110×x01
mapped to a PAX register index. Setting a bit will inhibit the corresponding
register from being saved to EEProm
CONFIGURATION
The 2 basic PAX meter types are the Analog PAX (5-digit units) and the Data Block Structure
Digital PAX (O-digit units). They differ in the number of registers available and
Table 3 shows the Data Block Structure, consisting of the Write and Store
thcrcforc thc sizc of thc Data Block rcquired to map all thc registers complctcly. Masks and the individual PAX Data Registers. Each Data Register value is a 32
Each PAX register is represented as a 32-bit Integer requiring 2, 16-bit words
bit Integer, with Motorola byte ordering. For the Analog PAX meters, the Data
4 bytes. Configuration of the data block is by the selection of pre-configured
Block size is 48 bytes Input, 48 bytes Output. For the PAXDP and the Digital
modules, identified in the gSd file as"PAX Digital (6-digit)and"PAX Analog
PAX meters, the Data Block size is 84 bytes Input, 84 bytes Output
(5-digit)", that correspond to the host PAX Meter type
Table 3- data block structure
PAX ANALOG
PAXDP ANALOG
PAXI DIGITAL
PAXCK DIGITAL
REGISTER INDEX
DATA BLOCK
(Mask Bit
BYTES
INPUT METER
INPUT METER
COUNT/ RATE
CLOCK/ TIMER
(5-Digit)
(5-Digit
(6-Digit
6-Digit)
Demand Write Mask(Output)/ Service Status(Input)
5-8
Store Mask(Output)/Unused(Input)
9-12
Input
Input a( relative)
Count A
Timer
13-16
Total *k
Input b(relative)
Count B
Counter
Max Input
Calculation
Count c
RTC Time
3
21-24
Total
RTC Date
25-28
Setpoint 1
Min Input
Min. Rate
Setpoint 1
29-32
Setpoint 2
Max Input
Max Rate
Setpoint 2
Setpoint 3
nput a(absolute) Scale Factor A
Setpoint 3
7
37-40
Setpoint 4
Input B (absolute) Scale Factor B
Setpoint 4
41-44
AOR *
Input a( offset) Scale Factorc Setpoint Off 1
45-48
CSR *w
Input B(offset) Count Load A
Setpoint Off 2
10
9-52
Count load b
Setpoint off 3
11
53-56
Count load c
Setpoint Off 4
12
57-60
Setpoint 1
Setpoint 1
Timer Start
13
6164
Setpoint 2
Setpoint 2
Counter start
14
65-68
Setpoint 3
Setpoint 3
Timer Stop
15
69-72
Setpoint 4
Setpoint 4
Counter Stop
73-76
MMR*率
MMR *E
17
77-80
AOR *
AOR菜*
RTC Day
18
81-84
SOR *
SOR *N
sOR*来
k Indicates Read-Only parameters. All other parameters are Read/write
k* Indicates PAX Manual Mode Registers. See next section for description
e* Indicates bit value must not be set in the Parameterization polled read masks
PAX MANUAL MODE REGISTERS
CSR-Control Status Register(PAX Analog Only
(AOR) Analog Output Register(Not applicable to PAXCK)
The Control Status Register is used to directly control the neter's oulpuLs
The Analog Oulput Register value defines the signal level of the Ineter's
sctpoints and analog output), or vicw thc statc of the setpoint outputs and the analog output. The range of valucs for this register is 0 to 4095(0FFFh), which
status of the temperature sensor(PAXT only). The CSr register is bit mapped, corresponds to the analog output signal ranges shown in Table 4
with the bit positions of the least-significant byte assigned to specific control
functions. The control functions are invoked by writing to the appropriate bit.
position. The bit position definitions are
Table 4- Analog output signal Ranges
Regist
Output Signal
bit 0: Setpoint 1 Output
bit 5: Unused(always stays O)
* Due to the absolute accuray
alue
0-20mA420mA0-10v
bil 1: Setpoint 2 Output 0=output uff bil 6: Sensor Status(PAXT only
rating and resolution of the
0.004.0000.000
bit 2: Setpoint 3 Output
output on
0=sensor normal
output card. the actual output
0.0054.0040.0025
1= sensor fail
signal may dilfer 0. 15%FSfr
bit 3: Setpoint 4 Output
2047
12.000 5.000 the table values. The output
bit 4: Auto/ Manual mode
bit 7: Unused (always stays 0)
4094
19.995 19.9969.9975 signal corresponds to the range
0=automatic mode
4095
20000200100elet20mAor0-101
1= manual mode
In Automatic mode, the meter controls the analog output signal level
Setting bit 4 of the CSR selects Manual Mode. In this mode, the setpoint Reading the AOR will show the present value of the analog output signal. While
outputs are defined by the values written to bits bo, bl, b2, b3; and the analog
in Automatic modc, this register may bc writtcn to, but it has no cffcct until thc
output is defined by the value written to the Analog Output Register (AOR)
analog output is placed in the Manual mode
Internal control of these outputs is then overridden
In Manual mode, writing to the AoR causes the analog output signal level to
In Automatic Mode, the setpoint outputs can only be reset off. The contents
update per the value written. Manual mode is engaged by setting bit 4 of the
of the Csr may be read to interrogate the state of the setpoint outputs and to
CSR (PAX Analog meter )or bit 0 of the MMr(PAXDP/PAXD If a value larger
check the status of the temperature sensor (PaXt only)
than 4095 is written to the aor, 4095 will be loaded
MMR- Auto/Manual Mode Register(PAXDP/PAXI/PAXCK)
This register sets the controlling mode for each output in the PAX meters
Each output may be independently changed to Auto or Manual mode. The MMR INSTALLATION AND CONNECTION
register is bit mapped, with the bit positions of the least-significant byte
assigned to specific outputs. Auto or Manual mode is selected by writing to the
appropriate bit position. The bit position definitions are
Installation Clearance Required -In Inches(mm)
PAXDP/PAXI
PAXCK
it 0: Analog out
it 0: Setpoint 4 Outp
bit 1: Setpoint 4 Output
bit 1: Setpoint 3 Output
bit 2: Setpoint 3 Oulput
bit 2: Setpoint 2 Oulput
bit 3: Setpoint 2 Output
bit 3: Setpoint 1 Output
bit 4: Setpoint 1 Output
0= Auto modc. 1= Manual modc
In Auto Mode(0) the meter controls the setpoint output state and the Analog
488(124)
Output(PAXDP/PAXI only ). In Manual Mode (1) the setpoint outputs are
defined by the value in the Setpoint Oulpul Regisler(SOR); and the Analog
Output is dcfincd by the valuc written to thc Analog Output Register(AOR)
PROFIBUS-DP Network Connection
When transferring from Auto Mode to Manual Mode, the meter holds the last
PROFIBUS plug connectors such as Siemens 6ES7972-0BA10-0XA0 are
output value(until the register is changed by a write)
ecommended. When wiring the connector, be sure to observe the proper
direction for data flows, indicated by the arrows on the connector. When the
SOR- Setpoint Output Register(PAXDP/PAXI/PAXCK)
PAX meter is the last device on the network set the terminating resistor switch
The Setpoint Output Register is used to view or change the states of the on the connector to theON"position
setpoint outputs in the PAX meters. Reading this register will show the present
state of all the setpoint outputs A0"means the output is inactive and a
means the output is active
In Auto Mode(see mmr description) the meter controls the setpoint output
state. In Manual Mode, the four least-significant bits of the SOR are assigned to
specilic outputs. Writing to the appropriate bit position defines the state of the
IOIOIIIIO OIIII
setpoint output. The bit position definitions are
234567891
bit 0: Setpoint 4 Output Status
旦 AAAEAAE曰
bit 1: Setpoint 3 Output Status
0=Output off
bil 2: Setpoint 2 Output Status
1=Oulput On
bit 3: Setpoint 1 Output Status
to downstream
to upstream
PROFIBUS
ROFIBUS
Network
Red lion controls ap
Red Lion Controls
Red lion controls bv
31. Kaki Bukit road 3
20 Willow Springs Circle
Basicweg 11b
#06-04 05 TechLink
York Pa 17402
NL -3821 BR Amersfoort
Singapore 417818
Te+1(717)767-6511
Te+31(0)334723225
Te+656744-6613
Fax+1(717)764-0839
fax+31(0)334893793
Fax+656743-3360
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