Hach SD900 Refrigerated Sampler Manual Básico Del Usuario página 14

Items to collect:
• Multi-purpose full cable for Sigma flow meters (or 980 half cable for the model 980 flow meter).
• Optional splitter for additional connections. Two or more splitters can be connected in series.
1. Connect one end of the cable to the flow meter. For the model 980 flow meter, refer to the model
980 flow meter user manual.
2. Connect the other end of the cable to the auxiliary device connector on the controller.
Note: If the flow meter has a 6-pin cable, use the 6-pin to 7-pin adapter cable.
Connect a PC or communications network
Connect a PC or a communications network to the controller to transfer data or to configure the
sampler.
Items to collect:
• Serial cable, 7-pin RS232 to DB-9 (refer to
3 (RCD); F to 2 (TXD); G (ground).
1. Connect one end of the serial cable to the communications device or network.
2. Connect the other end of the cable to the serial communications connector on the controller.
Figure 9 Serial communications cable
Connect the instrument to power
Electrocution hazard. If this equipment is used outdoors or in potentially wet locations, a Ground Fault
Circuit Interrupt (GFCI/GFI) device must be used for connecting the equipment to its main power
source.
Fire hazard. Install a 15 A circuit breaker in the power line. A circuit breaker can be the local power
disconnect, if located in close proximity to the equipment.
Electrocution hazard. Protective Earth Ground (PE) connection is required.
Electrocution hazard. Make sure that there is easy access to the local power disconnect.
The power cord is installed at the factory. Plug the power cord into an electrical outlet. The
instrument starts automatically. The refrigerated sampler has a power cord for the controller and a
power cord for the sampler unit. Plug both cords into the electrical outlet.
14 English
Figure 9). Connections: B to 5 (signal ground); D to
D A N G E R
D A N G E R
D A N G E R
W A R N I N G