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Appendix E

Multiline Interface Command Messages

© National Instruments Corporation

E-3

GPIB-100A User Manual

Multiline Interface Messages

Hex

Oct

Dec ASCII

Msg

Hex

Oct

Dec ASCII

Msg

40

100

64

@

MTA0

60

140

96

`

MSA0,PPE

41

101

65

A

MTA1

61

141

97

a

MSA1,PPE

42

102

66

B

MTA2

62

142

98

b

MSA2,PPE

43

103

67

C

MTA3

63

143

99

c

MSA3,PPE

44

104

68

D

MTA4

64

144

100

d

MSA4,PPE

45

105

69

E

MTA5

65

145

101

e

MSA5,PPE

46

106

70

F

MTA6

66

146

102

f

MSA6,PPE

47

107

71

G

MTA7

67

147

103

g

MSA7,PPE

48

110

72

H

MTA8

68

150

104

h

MSA8,PPE

49

111

73

I

MTA9

69

151

105

i

MSA9,PPE

4A

112

74

J

MTA10

6A

152

106

j

MSA10,PPE

4B

113

75

K

MTA11

6B

153

107

k

MSA11,PPE

4C

114

76

L

MTA12

6C

154

108

l

MSA12,PPE

4D

115

77

M

MTA13

6D

155

109

m

MSA13,PPE

4E

116

78

N

MTA14

6E

156

110

n

MSA14,PPE

4F

117

79

O

MTA15

6F

157

111

o

MSA15,PPE

50

120

80

P

MTA16

70

160

112

p

MSA16,PPD

51

121

81

Q

MTA17

71

161

113

q

MSA17,PPD

52

122

82

R

MTA18

72

162

114

r

MSA18,PPD

53

123

83

S

MTA19

73

163

115

s

MSA19,PPD

54

124

84

T

MTA20

74

164

116

t

MSA20,PPD

55

125

85

U

MTA21

75

165

117

u

MSA21,PPD

56

126

86

V

MTA22

76

166

118

v

MSA22,PPD

57

127

87

W

MTA23

77

167

119

w

MSA23,PPD

58

130

88

X

MTA24

78

170

120

x

MSA24,PPD

59

131

89

Y

MTA25

79

171

121

y

MSA25,PPD

5A

132

90

Z

MTA26

7A

172

122

z

MSA26,PPD

5B

133

91

[

MTA27

7B

173

123

{

MSA27,PPD

5C

134

92

\

MTA28

7C

174

124

|

MSA28,PPD

5D

135

93

]

MTA29

7D

175

125

}

MSA29,PPD

5E

136

94

^

MTA30

7E

176

126

~

MSA30,PPD

5F

137

95

_

UNT

7F

177

127

DEL

                                                                                                                                                            

 

PPE

Parallel Poll Enable

PPU

Parallel Poll Unconfigure

SDC

Selected Device Clear

SPD

Serial Poll Disable

SPE

Serial Poll Enable

TCT

Take Control

UNL

Unlisten

UNT

Untalk

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Содержание GPIB-100

Страница 1: ...erutilized and idle equipment along with credit for buybacks and trade ins Custom engineering so your equipment works exactly as you specify Critical and expedited services Leasing Rentals Demos In st...

Страница 2: ...5 1991 National Instruments Corporation All Rights Reserved GPIB 100A User Manual March 1990 Edition Part Number 320063 01 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www...

Страница 3: ...ion 6504 Bridge Point Parkway Austin TX 78730 5039 512 794 0100 800 IEEE 488 toll free U S and Canada Technical support fax 512 794 5678 Artisan Technology Group Quality Instrumentation Guaranteed 888...

Страница 4: ...LAR PURPOSE CUSTOMER S RIGHT TO RECOVER DAMAGES CAUSED BY FAULT OR NEGLIGENCE ON THE PART OF NATIONAL INSTRUMENTS SHALL BE LIMITED TO THE AMOUNT THERETOFORE PAID BY THE CUSTOMER NATIONAL INSTRUMENTS W...

Страница 5: ...are much less if the equipment is used according to this instruction manual If the equipment does cause interference to radio or television reception which can be determined by turning the equipment o...

Страница 6: ...100A circuitry operates Appendix A Operation of the GPIB describes GPIB terminology and protocol for users unfamiliar with the GPIB Appendix B Schematic Diagram contains a detailed schematic diagram o...

Страница 7: ...ed in the text of this manual C centigrade F Fahrenheit Hz hertz in inch kbytes thousand bytes m meter mA milliamperes Mbytes million bytes mm millimeter sec microsecond nsec nanosecond sec second V v...

Страница 8: ...Modes 3 1 Talker Listener Controller TLC Mode 3 1 Talker Listener TL Mode 3 2 Setting the Operating Mode 3 2 Parallel Poll Response PPR Modes 3 2 Buffered PPR Mode Approach 1 3 3 Unbuffered PPR Mode A...

Страница 9: ...epted A 4 DAV data valid A 4 Interface Management Lines A 4 ATN attention A 4 IFC interface clear A 4 REN remote enable A 4 SRQ service request A 4 EOI end or identify A 4 Physical and Electrical Char...

Страница 10: ...k Diagram 4 1 Figure A 1 GPIB Cable Connector A 3 Figure A 2 Linear Configuration of the GPIB Devices A 5 Figure A 3 Star Configuration of GPIB Devices A 6 Figure C 1 GPIB 100A Parts Locator Diagram C...

Страница 11: ...ble length limit of 20 m total per contiguous bus or 2 m times the number of devices on the bus whichever is smaller Electrical loading limit of 15 devices per contiguous bus Each GPIB 100A system ext...

Страница 12: ...agraph Parallel Poll Response PPR Modes GPIB 2 GPIB 1 GPIB 100A Computer System Controller Talker and Listener Printer Listener Multimeter Talker and Listener Signal Generator Listener Unit Under Test...

Страница 13: ...ration Characteristics Characteristic Specification distance per extension up to 300 m loading per extension up to 14 additional devices multiple extensions permitted in any combination of star or lin...

Страница 14: ...mplete Source Handshake identification AH1 complete Acceptor Handshake codes T5 TE5 complete Talker L3 LE3 complete Listener SR1 complete Service Request RL1 complete Remote Local PP1 2 complete Paral...

Страница 15: ...s power supply 50 to 60 Hz selectable fuse 110 V 160 mA 250 mA 250 V Slow Blow 220 V 80 mA 200 mA 250 V Slow Blow GPIB interface load one standard load AC and DC power 18 W typical Table 1 5 Environme...

Страница 16: ...with AMP Amplimite connectors AMP HDP 20 50 pin connector with RFI EMI shield Table 1 7 Components and Accessories Item Part Number Model GPIB 100A Bus Extender 110V 776107 01 two required per extens...

Страница 17: ...y set at a certain operating voltage either 110 VAC or 220 VAC Verify that the voltage you are using is the same as that selected on the rear panel of the GPIB 100A Operating at a voltage other than t...

Страница 18: ...ing The GPIB 100A enclosure is designed for table top operation or for rack mounting Single and dual unit rack mounting kits are available from National Instruments for field installation Connecting t...

Страница 19: ...brief description of this mode is in the following paragraph Both units power up in a quiescent condition with no local or remote state active They remain that way until one unit detects an IFC pulse...

Страница 20: ...press down Figure 3 1 Switch Settings for Operating Mode Parallel Poll Response PPR Modes According to ANSI IEEE Standard 488 l978 devices must respond to a parallel poll within 200 nsec after the Id...

Страница 21: ...ollers contains an easy to use parallel poll function If for example the function is called PPOLL and the control program is written in BASIC the sequence to conduct a poll in Buffered PPR mode might...

Страница 22: ...igure 3 2 Switch Settings for Parallel Poll Response Mode Operating the GPIB 100A System The GPIB 100A extension system is fully operational when power is applied to both units In TLC mode it is somet...

Страница 23: ...100A parts locator diagram Figure 4 1 GPIB 100A Block Diagram Power On When the GPIB 100A is powered on a reset pulse PON created by U48F U28A D and associated Register Capacitor Delay RCD network di...

Страница 24: ...LAC FF to be set if ATN is already asserted when IFC occurs When ATN is received from the local side via transceiver U2C the LAC FF is set on the leading edge of ATN and after a delay through U11B C D...

Страница 25: ...GPIB transceiver U1B and NRFD is transmitted to the other side through driver U30A XRFD Once the LS FF is set the propagation of NRFD from the remote side sets FF U36A via receiver U19A U44C and U35A...

Страница 26: ...are driven is the remote unit through receivers U15 and U17 when Unbuffered PPR mode is selected Switch S1 position 3 open or when the RS FF is set and a remote parallel poll is not in progress U47A a...

Страница 27: ...es manage the bus itself They are usually called commands or command messages Interface messages perform such functions as initializing the bus addressing and unaddressing devices and setting devices...

Страница 28: ...ler For example one device may only be a Talker called a Talk only device and there may be one or more Listen only devices A Controller is necessary when the active or addressed Talker or Listener mus...

Страница 29: ...command messages All commands and most data use the 7 bit ASCII or ISO code set in which case the eighth bit DIO8 is unused or used for parity Appendix E lists the GPIB command messages Handshake Lin...

Страница 30: ...nes are used to manage the flow of information across the interface ATN attention The Controller drives ATN true when it uses the data lines to send commands and false when it allows a Talker to send...

Страница 31: ...sembly consisting of a shielded 24 conductor cable with both a plug and receptacle at each end This design allows devices to be connected in either a linear or a star configuration or a combination of...

Страница 32: ...MICRORIBBON or AMP CHAMP type An adapter cable using non standard cable and or connector is used for special interconnect applications The GPIB uses negative logic with standard TTL logic levels When...

Страница 33: ...o be connected to the bus and 20 meters of cable length to be added to the system National Instruments provides two extenders which allow longer cable spans These products are the GPIB 100A and the GP...

Страница 34: ...Corporation B 1 GPIB 100A User Manual Appendix B Schematic Diagram This appendix contains the schematic diagram for the GPIB 100A Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOU...

Страница 35: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 36: ...m This appendix contains the parts locator diagram for the GPIB 100A The parts locator diagram shows the locations of the GPIB 100A configuration jumpers and switches Figure C 1 GPIB 100A Parts Locato...

Страница 37: ...on D 1 GPIB 100A User Manual Appendix D Cable Assembly Wire List This appendix contains the wire list for the GPIB 100A Transmission Cable Artisan Technology Group Quality Instrumentation Guaranteed 8...

Страница 38: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 39: ...100A User Manual Appendix E Multiline Interface Command Messages The following tables are multiline interface messages sent and received with ATN TRUE Artisan Technology Group Quality Instrumentation...

Страница 40: ...2F 057 47 MLA15 10 020 16 DLE 30 060 48 0 MLA16 11 021 17 DC1 LLO 31 061 49 1 MLA17 12 022 18 DC2 32 062 50 2 MLA18 13 023 19 DC3 33 063 51 3 MLA19 14 024 20 DC4 DCL 34 064 52 4 MLA20 15 025 21 NAK PP...

Страница 41: ...6 110 n MSA14 PPE 4F 117 79 O MTA15 6F 157 111 o MSA15 PPE 50 120 80 P MTA16 70 160 112 p MSA16 PPD 51 121 81 Q MTA17 71 161 113 q MSA17 PPD 52 122 82 R MTA18 72 162 114 r MSA18 PPD 53 123 83 S MTA19...

Страница 42: ...Valid DIO Data EOI End or Identify Bit FF Flip flop IDY Identify IFC Interface Clear ISO International Standard code set L Listener LAC Local Active Controller LS Local Source LSC Local System Contro...

Страница 43: ...ote Enable RFD Ready for Data RR Remote Response RS Remote Source RSC Remote System Controller SRQ Service Request T Talker TL Talker Listener TLC Talker Listener Controller GPIB Adapter TTL Transisto...

Страница 44: ...er 320063 01 Please comment on the completeness clarity and organization of the manual If you find errors in the manual please record the page numbers and describe the errors Thank you for your help N...

Страница 45: ...uipment Have surplus equipment taking up shelf space We ll give it a new home Learn more Visit us at artisantg com for more info on price quotes drivers technical specifications manuals and documentat...

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