•
Model
436A
Operation
Table
3-1.
Message
Reference
Table
Message
and
Identification
Applicable
Command
and
Title
Response
Data
Yes
T3 Talker, L2 Listener, Power Meter changes mode, range, measure-
AHl
Acceptor Handshake ment rate, and
Cal
Factor enable or disable.
SHl
Source
Handshake.
It
outputs
status and measurement data.
Trigger
(DTO)
No Device Trigger
The Power Meter does not respond
to
a
Group Execute Trigger. However, remote
trigger capability
is
part
of
the Data mes-
sage
(measurement rate).
Clear (DC4)
Yes
DCL Device Clear
Upon receipt
of
DCL
command, Power
Meter functions are set for Watt Mode,
No
SDC
Selected Device
Clear
Auto Range,
Cal
Factor Disable and
Meas-
urement rate Hold.
Remote (RL2) 1
Yes
REN Remote Enable Power Meter goes to remote when addressed
to
listen, and REN
is
true (low).
Local (RL2)
1
Yes
REN Remote Disable
Power Meter goes
to
local when REN
is
false (high).
No
GTL Go to Local
Power Meter does not respond to GTL
command.
Local Lockout (RL2) 1
No REN Remote Disable
Power Meter does not respond to LLO
command.
I
Clear Lockout/
Yes
REN Remote Disable
Returns all devices on bus to local
Set Local (RL2) 1
operation.
Pass
Control/Take
No Controller
Power Meter cannot act
as
bus controller.
Control
(C~)
Require
Service
(SR'P)
No
SRQ Service
Request
Power Meter does not request service.
Status
Byte
No
SPE Serial Poll Enable
Power Meter does not respond to a
Serial Poll
SPD Serial
Poll Disable
Status
Bit
(PP~)
No
PP
Parallel Poll
Power Meter does not respond to a parallel
poll.
Abort
Yes
IFC
Interface Clear
Power Meter stops talking or listening.
lThe
436A does
not
have complete RL2 capability since it cannot process the Go-To-Local (GTL) message.
NOTE
Complete HP-IB
capability
as
defined in
IEEE
Std.
488
is
AHl,
CO,
DC2,
DTO,
LEO,
PPO,
RL2,
SHl,
SRO,
T3,
TEO
.
3-15
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