Wiring The Sampler - Sigma 980 Operating And Maintenance Manual

Section 2
Figure 17 Connecting to a Rain Gauge
No Connection
POWER
OFF
1. Strain Relief
2.12

Wiring the Sampler

Note: Route wires through
NEMA-approved conduit hubs
(Cat. No. 16483) to ensure
that water and dust do not enter the
enclosure.
Page 42
Wiring the Sampler
ON ON
F1 F1
T, 1.0A 250V T, 1.0A 250V
HOT/ 1 HOT/ 1 HOT/ 1 HOT/ 1
J12 J12
NEU/ 2 NEU/ 2 NEU/ 2 NEU/ 2
2. Input from Rain Gauge
1. Disconnect all power to the 980 Flow Meter. See
Information on page 31.
2. Use a large flat-blade screwdriver to loosen the two screws securing the
980 Flow Meter cover. Open the cover.
3. Strip insulation from the sampler leads ¼ inch.
4. Attach a NEMA-approved conduit or compression fitting to one of the
½ in. openings on the bottom of the instrument, and route the wires
through this opening.
5. Connect wires to the proper screw terminal block (TB10).
Refer to Table 8 and Figure 18
Cable Required for Sampler Connections
• Multi-Purpose Half Cable Assembly, 10 ft (3.0 m), 6-pin connector on one
end, tinned wire leads on the other end (Cat. No. 9708700).
TB3 TB3 pH pH MODEM MODEM TB4 TB4 TB4
RAIN RAIN RAIN TB 9 ANALOG TB 9 ANALOG
TB2 TB2
1 1
1 1 1
SHIELD SHIELD RING RING
RAIN+ RAIN+ RAIN+
NO NO
TIP TIP
REF REF RAIN– RAIN– RAIN–
1 1
COM RELAY 4 COM RELAY 4
pH pH RING RING SHIELD SHIELD SHIELD
NC NC
TIP TIP
RTD RTD CH 1 CH 1 CH 1
TB5 TB5
NO NO
ULTRASONIC ULTRASONIC
–5V –5V GROUND GROUND GROUND
F2 F2
COM RELAY 3 COM RELAY 3
GROUND GROUND SHIELD SHIELD SHIELD
1 1 TB6 TB6
NC NC
+5V +5V CH 2 CH 2 CH 2
RTD RTD
NO NO
RTD RTD RTD – RTD – GROUND GROUND GROUND
485A 485A
COM RELAY 2 COM RELAY 2
SHIELD SHIELD
485B 485B SHIELD SHIELD SHIELD
NC NC
1 1
NO NO 485+ 485+ CH 3 CH 3 CH 3
TOTAL + TOTAL +
COM RELAY 1 COM RELAY 1 485GND 485GND GROUND GROUND GROUND
TOTAL – TOTAL –
NC NC SHIELD SHIELD SHIELD SHIELD SHIELD
SHIELD SHIELD
J13 J13 J13 J13 RS485 RS485 TB7 TB7 ANALOG ANALOG ANALOG
TOTALIZER TOTALIZER
TB8 TB8 TB8 TB8
for wire connections.
TB11 TB11 AV AV
SHEILD SHEILD
RCV– RCV–
TB10 TB10 4-20 mA 4-20 mA
CH 4 CH 4 CH A+ CH A+ RCV+ RCV+
GROUND GROUND CH A– CH A–
XMIT– XMIT–
SHIELD SHIELD SHIELD SHIELD XMIT+ XMIT+
CH 5 CH 5 CH B+ CH B+ COMMON COMMON
GROUND GROUND CH B– CH B– +12V +12V
SHIELD SHIELD SHIELD SHIELD DEPTH– DEPTH–
CH 6 CH 6 START START DEPTH+ DEPTH+
GROUND GROUND PULSE PULSE SHIELD SHIELD
SHIELD SHIELD BOTTLE BOTTLE COMMON COMMON
CH 7 CH 7 EVENT EVENT DSR DSR
GROUND GROUND GROUND GROUND RXD RXD
SHIELD SHIELD SHIELD SHIELD DTR DTR
ANALOG ANALOG SAMPLER SAMPLER
TXD TXD
+12V +12V
RS232C RS232C
1
2
Wiring Safety