Instruction Sheet #60-4702-034 Rev C, September 18, 2009 Isco 4700 Multipurpose Cable Preparation and Functions Overview The terminated end of this multipurpose cable connects to the 16-pin connector on the back side of the 4700 refrigerated sampler. The unterminated end can be wired to compatible circuits for interfacing with the sampler. These instructions explain how to prepare the cable for use, as well as the function of each wire. CAUTION WARNING Ensure that no wire ends come into contact with each other. Personal injury, power shutdown, or component failure can result. Wires not in use should be individually sealed at all times. Standard 10’ Length part #69-4704-041 Risk of equipment damage. Only experienced electronic technicians should make the connections to an external device using this cable. Ensure that the connection has protection from the environment, such as running the cable through conduit and making the connections inside a watertight electrical box. Custom Length ( 100’) part #60-5314-738 (contact factory) Preparation Referring to Table 1, select the appropriate wires and tin the ends with solder or attach crimped connector ends. Electrically insulate any unused wires. Wire Colora Signal Sampler Additional Information I/O 1 2 3 4 5 Black White Green Blue Orange 12VDC Ground Flow Pulse Serial Data Event Mark O n/a I O O 6 Red Enable Pinb I 7 8 White/Black Red/Black 12VDC Alarm 1c O O +12.5 VDC, 1 ampere maximum Common ground 25 millisecond (minimum) pulse, +5 to +15 VDC For use with PC connections. Cable 69-4704-042 is recommended. 3 second, +12 VDC pulse at beginning of sample collection Ground this input (short to pin 2) to disable sampler operation. Leave this input open (floating) to collect samples. +12.5 VDC, 1 ampere maximum 0 to +5 VDC, 100 mA maximum 9 Alarm 2d O 0 to +5 VDC, 100 mA maximum Alarm 3d O 0 to +5 VDC, 100 mA maximum 11 Red/White Orange/ Black Green/Black Alarm 4d O 12 Green/White Analog 4-20 mA (+) I 13 14 15 16 Blue/White Blue/Black Black/White Bare Analog 4-20 mA (-) Ground Not Used Not Used 0 to +5 VDC, 100 mA maximum Linear current loop signal representing minimum flow rate at 4 mA, maximum flow rate at 20 mA. This input is paired with pin 13. See pin 12. Common ground. Same as pin 2. Not used Not used Pin 10 I n/a n/a n/a a. For color pairs, the first color named is the predominant color, and the second is the stripe. b. This pin is also used as the Serial Data Input for use with PC connections. Cable 69-4704-042 is recommended instead for a serial data connection. c. See the 4700 Installation and Operation Guide to configure alarm conditions. Teledyne Isco, Inc. P.O. Box 82531, Lincoln, Nebraska, 68501 USA Toll-free: (866) 298-6174 • Phone: (402) 464-0231 • Fax: (402) 465-3001 E-mail: IscoService@teledyne.com Teledyne Isco is continually improving its products and reserves the right to change product specifications, replacement parts, schematics, and instructions without notice.