Oldham OLC 100 - General Specifications

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OLC(T) 100
User manual
General Specifications
Supply voltage at the detector
terminals (Vdc) :
OLC 100 : 340 mA (current supply)
OLCT 100 XP HT : 15.5 V to 32 V
OLCT 100 XP LEL : 15.5 V to 32 V
OLCT 100 XP IR : 13.5 V to 32 V
OLCT 100 XP EC : 11 V to 32 V
OLCT 100 XP SC : 15.5 V to 32 V
Average consumption :
OLC 100 : 340 mA
OLCT 100 XP HT : 100 mA
OLCT 100 XP LEL : 110 mA
OLCT 100 XP IR : 80 mA
OLCT 100 XP EC : 23.5 mA
OLCT 100 XP SC : 100 mA
Output current (signal) :
Current source encoded from 0 to 23 mA (non
isolated)
Linear 4 to 20 mA current reserved for measurement
0 mA: electronic fault or no pow er supply
< 1 mA: fault
2 mA : initialization mode
frozen to 20 mA : the concentration of combustible
gas has reached 100% LEL
Type of cable :
Explosimeter : screened, 3 active wires
HT Explosimeter : screened, 3 active w ires
Electrochemical detector : screened, 2 active wires
Infra-red detector : screened, 3 active w ires
Semiconductor detector : screened, 3 active w ires
Cable inlet :
M20x1.5 (cable gland not suppled) or ¾ NPT
Maximum diameter of cable
entering the detector :
12 mm
Electromagnetic compatibility :
Conforms to EN50270:06 (typ2)
Ingress Protection :
IP66
Approvals :
Conforms to European Directive ATEX 2014/34/UE
(see attached Declaration) and to IEC Ex schedule for
fire-proof detectors
SIL 2 in accordance with EN50402:05 / EN61508:11
Performance approved according to EN 60079-29-1:16
(VQ1 catalytic bead)
Performance approved according to EN 50104:10
(oxygen detectors)