Specifications

Siemens Mobility, Traffic Solutions
Sopers Lane, Poole, Dorset
BH17 7ER
Version 10 Page 93 of 120 Status Issued
Last Editor harry.smyth Date 03 November 2014
Document
Name
GENERAL HANDBOOK FOR HEIMDALL
DETECTORS
Doc. No. 667/HB/31900/000
Copyright  Siemens plc 2014 All Rights Reserved
7.7.4 Facilities / Equipment Configured
DESCRIPTION AND REMARKS
DFO
DFO:<
D
etector
F
ault
O
utput Setting, 0 to 1>
DFO=0: Second Relay or Solid State output provides the same
indication as the first (default)
DFO=1: Second Relay or Solid State output provides the function of a
‘Fault Output’ indication. (See also the DFM command)
Note: If set, ‘DIR 3’ Command takes priority.
2
DAA
DAA:<
D
etector
A
lignment
A
lgorithm, 0 to 1>
DAA=0: Perpendicular to traffic flow
DAA=1: Toward Traffic Flow
Note: Applicable to SCOOT Detector only
2
DFM
DFM:<
D
etector
F
ault
M
onitor Period, xx:yy>
xx = 0 to 23 (Monitor period in hours – default is 0)
yy = 0 to 59 (Monitor period in minutes – default is 0)
The default setting of 0:0 indicates that the facility is disabled.
Note: ‘Hours’ and ‘Minutes’ are separated by a colon (i.e.
DFM=10:30, sets the DFM time to 10 hours and 30 minutes).
2
DHT
DHT:<
D
etector
H
old
T
ime, 0 to 4000>
Number of milliseconds after detector activation before the detector
output is permitted to return to the ‘non-active’ state.
Default is 600 mS.
N.B. Applicable to Pedestrian On Crossing Detectors only.
2
DIR
DIR:<Target
Dir
ection, 0 to 3>
DIR=0: Detects vehicles moving towards unit (single o/p)* (default)
DIR=1: Detects vehicles moving away from unit (single o/p)*
DIR=2: Detects vehicles moving in both directions (single o/p)*
DIR=3: Detects vehicles moving in both directions (dual o/p)**
* Output 1.
** Output 1 for vehicles moving towards unit, Output 2 for vehicles
moving away from unit.
Note: Applicable to Standard and Single Lane Vehicle Detectors
only.
2