Waters 2545 Binary Gradient Module User Manual

Electrical specifications B-5
Stop flow (input) TTL signal or contact closure.
Input voltage range: ±30 Vdc.
Logic high = >3.0 Vdc ±10%.
Logic low = <1.9 Vdc ±10%.
Minimum pulse width = 100 msec.
Screw terminal connector.
Start gradient (input) TTL signal or contact closure.
Input voltage range: ±30 Vdc.
Logic high = >3.0 Vdc ±10%.
Logic low = <1.9 Vdc ±10%.
Minimum pulse width = 100 msec.
Screw terminal connector.
Chart output (1) Two terminals (+, –) for recording the following
user-selectable outputs:
Programmed flow rate (2 V output =
150 mL/min).
System pressure (2 V output = 6000 psi).
Programmed composition (%A, %B)
(2 V output = 100% composition).
Chart output (2) Two terminals (+, –) for recording the following
user-selectable outputs:
Programmed flow rate (2 V output =
150 mL/min).
System pressure (2 V output = 6000 psi).
Programmed composition (%A, %B)
(2 V output = 100% composition).
Leak detector input TTL signal or contact closure.
Input voltage range: ±30 Vdc.
Logic high = >3.0 Vdc ±10%.
Logic low = <1.9 Vdc ±10%.
Minimum pulse width = 100 msec.
Screw terminal connector.
Electrical specifications (Continued)
Item Specification

Waters 2545 Binary Gradient Module Specifications

General

Brand	Waters
Model	2545 Binary Gradient Module
Category	Control Unit
Language	English