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8. MAX. SHUNT CURRENTS (ON CURRENT METERS) :
199.9 μA through 19.99 mA : 10 x max. range current
199.9 mA : 1 amp
1.999 amp : 3 amps
Caution: In circuits where fault currents can exceed the maximum shunt
current, a fast-blow fuse should be installed in series with the input signal.
Otherwise, a slow blow 10 amp fuse is recommended that will allow for
start-up over current situations, while still protecting the instrument.
9. TEMPERATURE COEFFICIENTS:
Current meters Voltmeters
D.C.: ±100 PPM/°C D.C.: ±75 PPM/°C
A.C.: ±200 PPM/°C A.C.: ±150 PPM/°C
10. ENVIRONMENTAL CONDITIONS :
Operating Temperature : 0° to 60°C
Storage Temperature : -40° to 80°C
Operating and Storage Humidity : 85% max. relative humidity (non-
condensing) from 0°C to 50°C.
Altitude : Up to 2000 meters
11. RESPONSE TIME TO STEP CHANGE INPUT : 1 sec. nominal
12. READING RATE : 2.5 readings/sec., nominal
13. NORMAL MODE REJECTION : 50 dB 50/60 Hz (D.C. units only)
14. COMMON MODE REJECTION : 110 dB D.C. or 50/60 Hz (D.C. units
only)
15. COMMON MODE VOLTAGE (COMM. TO EARTH) : 350 volt peak
16. CERTIFICATIONS AND COMPLIANCES :
SAFETY
IEC 61010-1, EN 61010-1: Safety requirements for electrical equipment
for measurement, control, and laboratory use, Part 1.
IP65 Enclosure rating (Face only), IEC 529
Type 4 Enclosure rating (Face only), UL50
ELECTROMAGNETIC COMPATIBILITY :
Immunity to EN 50082-2
Electrostatic discharge EN 61000-4-2 Level 2; 4 Kv contact
Level 3; 8 Kv air
Electromagnetic RF fields EN 61000-4-3 Level 3; 10 V/m 1
80 MHz - 1 GHz
Fast transients (burst) EN 61000-4-4 Level 4; 2 Kv I/O
Level 3; 2 Kv power
RF conducted interference EN 61000-4-6 Level 3; 10 V/rms 2
150 KHz - 80 MHz
Power frequency magnetic fields EN 61000-4-8 Level 4; 30 A/m
Simulation of cordless telephone ENV 50204 Level 3; 10 V/m
900 MHz ± 5 MHz
200 Hz, 50% duty cycle
Emissions to EN 50081-2
RF interference EN 55011 Enclosure class A
Power mains class A
Notes:
1. Self-recoverable loss of performance during EMI disturbance at 10 V/m:
Process signal may deviate during EMI disturbances.
For operation without loss of performance:
Unit is mounted in a grounded metal enclosure (Buckeye SM7013-0 or
equivalent)
I/O and power cables are routed in metal conduit connected to earth
ground.
2. Self-recoverable loss of performance during EMI disturbance at 10 V/rms:
Process signal may deviate during EMI disturbances.
For operation without loss of performance:
Install power line filter, RLC#LFIL0000 or equivalent
Refer to the EMC Installation Guidelines section of this bulletin for
additional information.
17. CONSTRUCTION : Metal die-cast front bezel with black, high impact
plastic insert case. This unit is rated for NEMA 4/IP65 indoor use when
properly installed (panel gasket and mounting clips included). Installation
Category II, Pollution Degree 2.
18. WEIGHT : 1.2 lbs. (0.54 Kg)
EMC INSTALLATION GUIDELINES
Although this unit is designed with a high degree of immunity to
ElectroMagnetic Interference (EMI), proper installation and wiring methods
must be followed to ensure compatibility in each application. The type of the
electrical noise, source or coupling method into the unit may be different for
various installations. Cable length, routing and shield termination are very
important and can mean the difference between a successful or a troublesome
installation. Listed below are some EMC guidelines for successful installation in
an industrial environment.
1. The unit should be mounted in a metal enclosure, that is properly connected
to protective earth.
2
2. Use shielded (screened) cables for all Signal and Control inputs. The shield
(screen) pigtail connection should be made as short as possible. The
connection point for the shield depends somewhat upon the application.
Listed below are the recommended methods of connecting the shield, in order
of their effectiveness.
a. Connect the shield only at the panel where the unit is mounted to earth
ground (protective earth).
b. Connect the shield to earth ground at both ends of the cable, usually when
the noise source frequency is above 1 MHz.
c. Connect the shield to common of the unit and leave the other end of the
shield unconnected and insulated from earth ground.
3. Never run Signal or Control cables in the same conduit or raceway with AC
power lines, conductors feeding motors, solenoids, SCR controls, and
heaters, etc. The cables should be run in metal conduit that is properly
grounded. This is especially useful in applications where cable runs are long
and portable two-way radios are used in close proximity or if the installation
is near a commercial radio transmitter.
4. Signal or Control cables within an enclosure should be routed as far away as
possible from contactors, control relays, transformers, and other noisy
components.
5. In extremely high EMI environments, the use of external EMI suppression
devices, such as ferrite suppression cores, is effective. Install them on Signal
and Control cables as close to the unit as possible. Loop the cable through the
core several times or use multiple cores on each cable for additional protection.
Install line filters on the power input cable to the unit to suppress power line
interference. Install them near the power entry point of the enclosure. The
following EMI suppression devices (or equivalent) are recommended:
Ferrite Suppression Cores for signal and control cables:
Fair-Rite # 0443167251 (RLC #FCOR0000)
TDK # ZCAT3035-1330A
Steward #28B2029-0A0
Line Filters for input power cables:
Schaffner # FN610-1/07 (RLC #LFIL0000)
Schaffner # FN670-1.8/07
Corcom #1VB3
Corcom #1VR3
Note: Reference manufacturer ’s instructions when installing a line filter.
6. Long cable runs are more susceptible to EMI pickup than short cable runs.
Therefore, keep cable runs as short as possible.
WIRING CONNECTIONS
As depicted in the drawing of the Apollo Unit, all connections are made to a
removable terminal block for ease of installation.
All conductors should meet voltage and current ratings for each terminal.
Also cabling should conform to appropriate standards of good installation, local
codes and regulations. It is recommended that power supplied to the unit be
protected by a fuse or circuit breaker.
To remove the block, pull from the back of the block until it slides clear of
the terminal block shroud. Caution : Terminal block should NOT be removed
with power applied to the unit.
POWER WIRING
Primary AC power is connected to Terminals 1 and 2 (Marked A.C. Power,
located on the left-hand side of the terminal block) . For best results, the AC
power should be relatively “Clean” and within the specified ±10% variation
limit. Drawing power from heavily loaded circuits or from circuits that also
power loads that cycle on and off, should be avoided.
SIGNAL WIRING
Input connections and range configuration jumpers are made on Terminals 3
through 10 or 11. If AC signal current greater than 5 amps is going to be applied,
the appropriate size slow blow fuse should be installed.
(For detailed information, see “Inputs and Applications”.)
DECIMAL POINT SELECTION
The Apollo Volt and Current meters have DIP switches located on the side of
the unit for the selection of 1 of 3 decimal points for display.
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