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參數(shù)資料
| 型號： | CS212 |
| 廠商： | ZF Electronics Corporation |
| 英文描述： | Security Detector Serial-Addressable Receiver/Transmitter |
| 中文描述： | 安全檢測串行尋址接收器/發(fā)射器 |
| 文件頁數(shù)： | 5/7頁 |
| 文件大?。?/td> | 158K |
| 代理商： | CS212 |
C
5
Functional Description
Notes:
1. * Indicates IN1 & loop IN2-3 cannot be used at the same time.
2. This diagram shown CS212 circuit coded to #24.
A typical line signal from the control unit would look like
the following:
The CS212 would decode this into clock and data.
The CS212 accepts addresses and commands in 10-bit word
formats. Three types of words must be generated: Sync,
Read and Write.
SYNC WORD
Synchronization is obtained by providing the CS212 with 8
or more 1's followed by a "0". To prevent a false sync, it is
best to send 0 before the eight 1's. This word insures all cir-
cuits on the same line see the commands at the proper
time.
READ WORD
To check the status of a CS212's inputs: i.e., IN0 and IN1 or
IN2-3, a read word must be sent. The first 5 bits must cor-
respond to the address of the CS212 to be interrogated. Bit
#6 is the address parity bit. It must insure that the first 6
bits are an even number of "1" 's. If the parity is even and
the CS212 to be interrogated has not previously received a
parity error (odd parity), it will transmit its status, along
with an internally generated parity bit. D0 corresponds to
IN0, D1 corresponds to IN1 or IN2-3. After the address
parity bit has been transmitted the controller must pull the
line down to about 7.5V to allow the CS212 to transmit. If a
"1" is to be transmitted, no change will occur on the line. If
a "0" is to be transmitted, the CS212 will then pull the line
down. In either case, the controller must pull the line back
up to 15V in order to continue. If the CS212 has received a
parity fault, it will transmit 3 one's (D0=D1=P
D
=1). This
will allow the controller to detect a parity error. If a parity
error is detected by the controller, the read word must be
repeated.
TYPICAL READ WORD
Assume that device #24 is to be interrogated and the status
of IN0=1 and IN1=0.
WRITE WORD
In order to update OUT0 and OUT1, a write word must be
sent to the CS212. The first 5 bits must correspond to the
CS212 to be updated. Bit #6 is an address parity bit. It must
insure even parity. D0 corresponds to OUT0 and D1 corre-
sponds to OUT1. An even data parity bit must be received
by the CS212. If the address and data parity are even and
the CS212 has not previously received a parity error, it will
update OUT0 and OUT1. If a parity error was received, the
CS212 will not be updated. In this case, a read word must
be sent to clear the parity fault.
0
1
1
1
1
0
0
0
0
0
Data Parity
IN 1 Status
IN 0 Status
"0" for Read
Add Parity
A4=1 x 2
4
= 16
A3=1 x 2
3
= 8
A2=0 x 2
2
= 0
A1=0 x 21 = 0
A0=0 x 2
0
= 0
Binary = #24
0
1
1
1
1
0
0
0
0
0
A0 A1 A2 A3 A4 PA
READ
BIT
D0 D1
PD
Transmitted
by Controller
Transmitted
by CS-212
1
1
1
0
0
1
1
1
1
1
SYNC
READ
1
READ
2
READ
3
READ
29
SYNC WRITE
1
WRITE
2
WRITE
29
1
1
1
0
0
Clock
Data
Positive Edge Strobes
Data into an Internal
Shift Resister
1
1
1
0
0
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
Control
Circuit
2121
21229
2123
2122
2 Wire
Transmission
Line
VCC(<14V)
To Control
Bell/Det.
Etc.
10k
DET
Loop
1
m
F
150
NC
N0
Tranmission Line
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| CS-212.500MBB-T | 功能描述:標(biāo)準(zhǔn)時(shí)鐘振蕩器 212.500MHz 3.3Volt 50ppm -10C +70C RoHS:否 制造商:AVX 產(chǎn)品:Standard Clock Oscillators 封裝 / 箱體:7 mm x 5 mm 頻率:75 MHz 頻率穩(wěn)定性:50 PPM 電源電壓:2.5 V 負(fù)載電容: 端接類型:SMD/SMT 最小工作溫度:0 C 最大工作溫度:+ 70 C 輸出格式:LVDS 尺寸: 封裝:Reel 系列: |
| CS-212.500MBC-T | 功能描述:標(biāo)準(zhǔn)時(shí)鐘振蕩器 212.500MHz 3.3Volt 100ppm -10C +70C RoHS:否 制造商:AVX 產(chǎn)品:Standard Clock Oscillators 封裝 / 箱體:7 mm x 5 mm 頻率:75 MHz 頻率穩(wěn)定性:50 PPM 電源電壓:2.5 V 負(fù)載電容: 端接類型:SMD/SMT 最小工作溫度:0 C 最大工作溫度:+ 70 C 輸出格式:LVDS 尺寸: 封裝:Reel 系列: |
| CS-212.500MCB-T | 功能描述:標(biāo)準(zhǔn)時(shí)鐘振蕩器 212.500MHz 2.5Volt 50ppm -10C +70C RoHS:否 制造商:AVX 產(chǎn)品:Standard Clock Oscillators 封裝 / 箱體:7 mm x 5 mm 頻率:75 MHz 頻率穩(wěn)定性:50 PPM 電源電壓:2.5 V 負(fù)載電容: 端接類型:SMD/SMT 最小工作溫度:0 C 最大工作溫度:+ 70 C 輸出格式:LVDS 尺寸: 封裝:Reel 系列: |
| CS-212.500MCC-T | 功能描述:標(biāo)準(zhǔn)時(shí)鐘振蕩器 212.500MHz 2.5Volt 100ppm -10C +70C RoHS:否 制造商:AVX 產(chǎn)品:Standard Clock Oscillators 封裝 / 箱體:7 mm x 5 mm 頻率:75 MHz 頻率穩(wěn)定性:50 PPM 電源電壓:2.5 V 負(fù)載電容: 端接類型:SMD/SMT 最小工作溫度:0 C 最大工作溫度:+ 70 C 輸出格式:LVDS 尺寸: 封裝:Reel 系列: |
| CS212/D | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Security Detector |
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