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TC12 Installation, Commissioning & Maintenance Handbook 

 

3) There will be a separate bit allocated for each loop monitored by 
HIOCC. There is a maximum of eight loops in total. Eight new reply bit 
functions have been allocated, as above. 

 

OL {Output bit number: 0 - 15} = { Output function: 0 - 255 } (0) 

C

Defines the function of the OTU hardware outputs. The output 

function is as described for the GRL command above. (Except 
those marked *) The normal default is direct from the UTC control 
b

 

GIA {Count/Occupancy/Queue unit no.:0 to 5} 0

ital i

 31} (0) 

 
GIA {Count/Occupancy/Queue unit no.:0 to 5} 1

it fun

o 7} (0) 

Comment:   T

nd as two index field

1) count/occupancy/queue unit number 
2

to - enter 0 or 1 as i

ted b

 next two or three 

an additional 

 GUD 

F

n

0 = Cou
1 = N co

 unit  

pancy/Queue unit no.:0 to 5} = {Queue active time.:0 to 255} (0) 

nfigured queue unit input 

s activ

omment:  

ytes. 

 ={Dig

nput no.:0 to

 ={Un

ction no.:0 t

he comma

 h

s: 

) data selec r 

ndica

elow 

0 to allocate the input line number for the unit  
1 to allocate the unit function (see below) 

Note:  For N + 1 sites the input line allocation represents the kerbside lane loop. 

The remaining loops are connected consecutively to the
inputs for two or three lane sites respectively. If required 
unidirectional loop may be allocated to the innermost loop using the
command. 

 

unctio  definitions for count/occupancy/queue configuration (GIA n 1 = x) 

nt/Occupancy/Queue unit not configured 

unt unit (single lane) 

ne  N + 1 count unit  

2 = 2 la
3 = 3 lane  N + 1 count
4 = N occupancy unit (single lane) 
5 = 2 lane  N + 1 occupancy unit  
6 = 3 lane  N + 1 occupancy unit  
7 = Queue unit 
 

AQ{Count/Occu

Comment: 

To specify the time in seconds that a co

t be active before its output become

mus

e. 

 

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