1 |
The HHM Display
The
In addition to alphanumeric characters, the display uses the following special characters:
IT | |
OT | Output with Feedback, or block with both inputs and outputs. |
4circuit is forced OFF.
1circuit is forced ON.
Orelay block point is forced open.
Crelay block point is forced closed.
BS | circuit controls a Bus Switching Module. |
?reference address or Device Number not yet assigned.
*reference address is out of range for the
For a list of other HHM abbreviations and their meanings, select F3 (HELP) from the
HHM Utilities menu.
Keyswitch
The
With the key present, the switch can be placed in either ªconfigureº (cfg) or ªmonitorº (mon) position.
cfg with the switch in Configure position, all HHM functions are available. In this mode, the
mon: with the keyswitch in Monitor position, the HHM can monitor bus and block data. Additional HHM functions, such as clearing faults or configuring I/O blocks, can be used in Monitor mode only if the HHM has been set up to permit their use.
The key must be present to move the switch from Monitor to Configure mode position; it can only be removed in MON position. Two identical keys are supplied with each
Accessories
The
HA sturdy removable leather case. The case has a rear tab with snap closure for carrying the HHM on a belt. The handle can be pivoted back to stand the
HA rechargeable battery pack.
HA battery charger/adapter with
HTwo keys for the
HA removable 5 ft (1.5 meter) coiled communications cable.
Chapter 1 Introduction |