Tait TP9355 - Page 16

16 For your safety
Entity parameters
The Entity Concept allows interconnection of IS/NI
equipment with associated equipment when the following
is true:
Ui
≥ Uo, Ii ≥ Io, Pi ≥ Po, Ci ≤ Co, Li ≤ Lo, and Li/Ri ≤ Lo/Ro.
The installation must be in accordance with the following
standards:
■ National Electrical Code (NEC), ANSI/NFPA 70, Arti-
cles 504 and 505
■ Canadian Electrical Code (CEC) Part I, CAS C22.1
■ ANSI/ISA-RP12.06.01
■ EN/IEC 60079-25
■ relevant local regulations.
TP9300/TP9400 IS/NI radios have the following entity
parameters.
Radio accessory port:
Radio battery port:
■ Uo 7.2 V
■ Io 0.42 A
■ Po 1.3 W
■ Co 1.97 μ F
■ Lo 100 μ H
■ Lo/Ro 20 μ H/ Ω
■ Ui 8.4 V
■ Ii IIA: 2.9 A
IIC: 1.9 A
■ Um 9.0 V (charging)
■ Ci 1.2 μ F
■ Li 5.7 μ H