11
95-8676
3.1
CALIBRATE SWITCH
B2056
HOLD CALIBRATION MAGNET
AT OUTSIDE BASE OF JUNCTION
BOX AT THIS LOCATION
TO ACTIVATE CALIBRATION SWITCH
REMOTE LED
Figure 12—Remote Calibration Switch and LED in Optional
Det-Tronics PIRTB Termination Box
Figure 11—Wiring the Eclipse Detector for Benchtop Testing/
Programming Using HART Protocol
24 VDC –
24 VDC –
24 VDC +
24 VDC +
CALIBRATE
+ 4-20 MA
– 4-20 MA
RS-485 A
RS-485 B
RELAY POWER
FAULT
LOW ALARM
HIGH ALARM
NO USER
CONNECTION
1
2
3
4
5
6
7
8
9
10
11
12
13
A2203
24 VDC
+
–
250 TO 500 OHMS
24 VDC –
24 VDC –
24 VDC +
24 VDC +
CALIBRATE
+ 4-20 MA
– 4-20 MA
RS-485 A
RS-485 B
RELAY POWER
FAULT
LOW ALARM
HIGH ALARM
NO USER CONNECTION
FACTORY WIRING ONLY
1
2
3
4
5
6
7
8
9
10
11
12
13
A2057
CAL
SIGNAL
24 VDC –
SPARE
CAL
SIGNAL
24 VDC –
24 VDC +
24 VDC +
24 VDC
+
–
MAGNETIC REED SWITCH
FOR REMOTE CALIBRATION
TYPICALLY
NO CONNECTION
NOTE: IF REQUIRED, POWER AND 4 TO 20 MA
SIGNAL OUTPUT MAY BE ROUTED
THROUGH REMOTE CALIBRATION MODULE
USING SHIELDED CABLING.
Figure 13—PIRTB Wired to PointWatch Eclipse
