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Register Descriptions
Reading and
Writing to the
Registers
Manufacturer
Identification
Register
b+00
15
14
16
Write
Read
Manufacturer ID - Returns
Device Type
Register
b+02
15
14
16
Write
Read
Status/Control
Register
b+04
15
14
16
Write
Read
X
MS
82 Register-Based Programming
The Form C switch module contains two read registers, one read/write
register, and two write registers. This section describes each Form C
module register.
Example programs are provided at the end of this appendix that show how
to read and write to these registers. You can read or write to the following
Form C switch module registers.
•
Manufacturer Identification Register (base + 00
•
Device Type Register (base + 02
•
Status/Control Register (base + 04
•
Relay Control Register for Channels 00 - 15 (base + 06
•
Relay Control Register for Channels 16 - 31 (base + 08
The Manufacturer Identification Register is at offset address 00
returns FFFF
16
and the module is an A16 register-based module. This register is read only.
13
12
11
10
FFFF
The Device Type Register is at offset address 02
an E1463A Form C Switch module. This register is read only.
13
12
11
10
The Status/Control Register is at offset address 04
about the module's status and configuration. This register is read and write.
13
12
11
10
Not Used
Not Used
16
. This shows that Agilent Technologies is the manufacturer
9
8
7
6
Undefined
= Agilent Technologies A16 only register-based device.
16
9
8
7
6
Undefined
0121
16
9
8
7
6
E
B
E
) (read)
16
) (read)
) (read or write)
16
) (write)
16
) (write)
16
5
4
3
2
and returns 0121
16
5
4
3
2
and informs the user
16
5
4
3
2
Not Used
X
X
1
1
Appendix B
and
16
1
0
for
16
1
0
1
0
R
X
X
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