Tracerco Optimus T221, Руководство по эксплуатации

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MD1064 Rev. F 13 of 32
The PRI150 requires two wires from the field. Figure 7 shows an extract from Tracerco
Document DD23870 detailing the PRI150 wiring. Attention is drawn to the requirement for
an internal connection between terminals 1 and 3 on the PRI150. Without this connection
the device will fail to communicate with the Optimus™ control module.
Figure 7. PRI150 connections.
A HART 4-20mA repeater power supply is required to provide both power and isolation to
the PRI150 radiation detector. Tracerco recommends the use of the MTL 5541 module to
provide this functionality. A HART 4-20mA repeater power supply is required for each
PRI150 radiation detector in the system.
There is a safe area connection to the Optimus™
control module. Table 1 details the connections of the MTL 5541 barrier.
Terminal Description
1 I OUT (Connect to Pin 1 of PRI150)
2 + VE (Connect to Pin 2 of PRI150)
3 -VE (Not used)
10 Current VE via 220Ω resistor (Not used during normal operation)
11 Current Output – VE (To T221)
12 Current VE (To T221)
13 Power Input – VE
14 Power Input +VE (24Vdc)
Table 1. MTL5541 connections.