User manual

Register Definitions B
E6198B Switch/Load Unit User Manual B-19
Agilent E6177A 24-Channel Medium-Current Load Card
The Agilent E6177A Load Card is a load card for moderate
current loads mounted on a sheet-metal panel attached to the
load card. The card provides pull-up/down selection, Card Type,
Card Configuration, and Status readback of the built-in relay
timers. See “Using the Agilent E6177A 24-Channel Load Card"
for more information.
Register definitions for the card follow:
Card Type (R) Base + 0
h
This register reads back the Card Type (03
h
) of the card.
• Read Only
• Power On/Reset State = 03
h
Card Configuration (R) Base + 1
h
This register reads back the Card Configuration. The Card
Configuration is determined by the user to distinguish different
load configurations of the same load card Card Type.
• Read Only
• Undefined bits readback as all 1s
Status (R) Base + 2
h
This register reads back the card's status. Currently the status is
defined as the state of the relay timer. The relay timer is
designed for the armature relays (>4ms). The timer restarts
Bit 7-0
Purpose
Card Type
Setting 03
h
Bit 7-0
Purpose
Card Configuration
Setting state