5 troubleshooting and maintenance – Next Advance SP1800 User Manual
Page 55
NEXT>>>ADVANCE
www.nextadvance.com
SP1600/1800 Programmable Syringe Pump
Publication #1200-02
50
9/15/04
11.4.4 Automation Cable: Reciprocating/Dual Pumps Control Cable
Part #: CBL-DUAL
Using two NE-1000 syringe pumps, this cable either creates an automated, continuous operation pumping
system, whereby one pump is refilling while the other is dispensing, or creates a dual pumping system,
with both pumps operating in the same direction.
This cable is attached to two NE-1000 syringe pumps via their RS-232 connectors. In this setup, with the
pumps configured for this operation, one pump acts as the Master controller. With the Master pump
programmed with a continuous infusion program, the other pump will always be pumping in the opposite
direction. With proper plumbing, this will create a continuous infusion system.
Alternatively, the pumps can be set to Dual Pump Mode, whereby the second pump will always follow the
program on the first pump, including starting, stopping, direction changes, and rate changes.
When either pump stops, for any reason, the other pump stops.
11.4.5 Valve Controller
Part# ADPT-VALVE-INTERFACE-1 (For one pump)
Part# ADPT-VALVE-INTERFACE-2 (For two pumps, includes CBL-TTL-1)
Provides a control interface for your electronic valves. Attach your electronic valves, and the interface
will control the activation of the valves. The 2 pump interface is used to create a continuous infusion/refill
system.
11.4.6 Foot Switch
Part #: ADPT-2
Allows the pump to be operated from a foot switch. Attaches to the TTL I/O connector.
11.4.7 Lockout Disable Key
Part#: ADPT-LOCKOUT-KEY
Enables setting Keypad Lockout mode and allows changing of settings while Keypad Lockout is set.
11.4.8 Firmware Upgrade
Part#: CPU-NE1000X, Gradient/Linear ramping for smooth gradients, plus other new features.
Contact your dealer for this upgrade and to determine the current available version of the pumps internal
firmware.
11.5 Troubleshooting and Maintenance
Maintenance: Periodically, a small amount of all-purpose oil should be applied to the guide rods.
The mechanism should be kept clean to prevent impeded operation.
No other special maintenance or calibrations are needed
RS-232 Communications: If no RS-232 communications is possible or garbled responses are received
from the pump, check the following:
If the triangle appears in the upper left of the LCD display, then the pump is receiving valid
communications. The communications problem is probably with the receiving communication application
or with the receive line on the cable.
If the Basic communications mode is used, check if the pump is in Safe communications mode. See
section 9.2, RS-232 Protocol:, for instructions on how to change the communications mode.
Verify the pump’s baud rate and network address. To set the RS-232 communications parameters, see
section 5.12, ‘Setup’ .
Using a lower baud rate may also improve the reliability of the RS-232 communications.