Campbell Scientific SC532A CS I/O Peripheral to RS-232 Interface User Manual

Page 9

SC532A 9-Pin Peripheral to 9-Pin RS232 Interface

TABLE 1. SC532A Power Supply Connector

Barrel Connector Polarity and Size

Inner Conductor (bore)

(+) 6 to 17 VDC (see Section 2)

Outer Conductor (sleeve)

(

−) GND

O.D is 5.5mm (0.216 in.)
I.D. is 2.5mm (0.098 in.)
Sleeve length = 11.5mm (0.453 in.) or more

TABLE 2. CSI Peripherals and Their Maximum Operating Current

Requirements

5 VDC Peripherals

Maximum Current

MD9 Multidrop Interface

< 90 mA

SM4M/16M Storage Module

< 100 mA

SM192/716 Storage Module

< 20 mA

SM64 Storage Module

< 30 mA

CSM1 Card Storage Module

< 18 mA

12 VDC Peripherals

Maximum Current

COM220 Modem

< 30 mA

COM210 Modem

< 160 mA

COM200 Modem

< 140 mA

COM310 Voice Modem

< 160 mA

COM300 Voice Modem

< 180 mA

Seimac Argos SDC Transmitter

< 700 mA

TABLE 3. SC532A Jumper Guide

P4 Jumper
A. SC532 mode (factory default)
B. PROGram Seimac SCD/Argos satellite transmitter