Impulse 7203 - Manual (Page 2)

Contents
I NTRODUCTION ........................................................................ 1
O VERVIEW ......................................................................................1
W HAT ’ S I NCLUDED .........................................................................1
F ACTORY D EFAULT S ETTINGS ........................................................1
C ARD S ETUP ............................................................................ 2
E LECTRICAL I NTERFACE S ELECTION ...............................................2
L INE T ERMINATION ........................................................................3
RS-485 E NABLE M ODES ................................................................4
RS-485 E NABLE M ODES ................................................................4
C LOCK M ODES ...............................................................................5
B AUD R ATES AND D IVISORS FOR THE ‘D IV 1’ MODE .......................6
I
NSTALLATION
......................................................................... 7
O PERATING S YSTEM I NSTALLATION ...............................................7
For Windows Users.....................................................................7
Other Operating Systems ............................................................7
S YSTEM I NSTALLATION ..................................................................7
T
ECHNICAL
D
ESCRIPTION
...................................................... 8
C ONNECTOR P IN A SSIGNMENTS ......................................................8
RS-232 ........................................................................................8
RS-422/485 .................................................................................8
S PECIFICATIONS ...................................................................... 9
E NVIRONMENTAL S PECIFICATIONS .................................................9
M ANUFACTURING ...........................................................................9
P OWER C ONSUMPTION ...................................................................9
M EAN T IME B ETWEEN F AILURES (MTBF) .....................................9
P HYSICAL D IMENSIONS ...................................................................9
A
PPENDIX
A - T
ROUBLESHOOTING
...................................... 10
A
PPENDIX
B - H
OW
T
O
G
ET
A
SSISTANCE
............................ 11
A PPENDIX C - E LECTRICAL I NTERFACE .............................. 12
RS-232 .........................................................................................12
RS-422 .........................................................................................12
RS-485 .........................................................................................13
A PPENDIX D - G ROUND L OOP P HENOMENON ...................... 14
W HAT IS G ROUND L OOP ? .............................................................14
C ABLING R ECOMMENDATIONS .....................................................14