Honeywell EXCEL 5000 OPEN SYSTEM XFL521B Product Data page 11

Digital Output Module XFL524B
The digital output module has six isolated change-over con-
tacts which can be connected to actuators or other switch-
able devices.
The unit plugs into the XSL514 Terminal Block and can be
inserted and removed without disturbing other units on the
bus. Terminals 1 through 18 are switched according to the
adjacent figure. Six LEDs are located on top of the module.
The module address is set using the rotary HEX switch.
Beginning with V2.04.00 Excel 500 controller firmware, the
online point attribute Normally Open / Normally Closed
(NO/NC) defines the relation between the physical state
(relay on/off) and its logical status. See Table 9.
NOTE: The digital outputs can be used as status contacts
or as alarm contacts, depending upon how they are
defined in CARE. All outputs from a single module
must be used for the same purpose.
• Six isolated change-over contacts
• Max. voltage U
= 230 Vac per output
max
• Max. current I
= 2 A per output
max
• LED per channel
OFF: LED off
ON: LED illuminated (yellow)
• Green power LED (L1) and red L
(L2)
• Cycle time 1 sec with CPU
• Dimensions (WxLxH): 47x97x70 mm
Table 9. Physical state and logical status as defined by
the point attribute NO/NC for the XFL524B.
Relay NO/NC
On/Off attribute
On NO
Off NO
On NC
Off NC
Open Loop Actuator
nviRequest
nviValue
input
nv1
SNVT_switch
SNVT_obj_request
NV 1
nviRequest
input
UCPTSensorConfig
nc1
SNVT_obj_request
NV 1
This output NV appears only once for the node.
1
Figure 7. L M
ON ARK
11
DISTRIBUTED I/O
W status LED
ON ORKS
Logical Output LED
Status Voltage Status
1 24V On
0 0V Off
0 0V Off
1 24V On
Object Type #3
Mandatory
Network
Variables
Optional
nviRequest
input nvoFeedback
Network nv3
SNVT_obj_request SNVT_switch
NV 1
Variables
1
nviRequest
input nvoDiagnose
nv1
SNVT_count
SNVT_obj_request
NV 1
User-Defined
Network
Variables
nviRequest
input nvoManCnt
nv1
SNVT_count
SNVT_obj_request
NV 1
Optional
Configuration
Properties
Object for each digital output.
EN0B-0090