Micromod Micro-DCI: 53MC5000 Multi-Loop Process Controller Instruction Manual User Manual

Page 36

Table 1-8. Group 5B Isolation Module Specifications

Item

Specification(s)

Isolation Module: 5B34 Group - Isolated RTD (Cont)

CMV, input to output:
Continuous
Transient

240 V rms
Meets IEEE - STD 472 (SWC).

CMR (50 or 60 Hz):
1 k ohms in either or both input leads
NMR (50 or 60 Hz)

160 db (all ranges)

60 db

Sensor excitement current:
100 ohms Pt, 120 ohms Ni
10 ohms Cu

0.25 mA
1.0 mA

Lead resistance effect:
100 ohms Pt, 120 ohms Ni
10 ohms Cu

Input protection: Continuous

0.02

C/ohm

0.2

C/ohm

240 V rms maximum continuous.

Isolation Module: 5B47 Group - Isolated Linearized Thermocouple

NOTE

Open thermocouple detection gives an upscale reading when the

option board jumper W-1 is in the B-C position. A downscale reading

is obtained when the jumper is in the A-B position.

Stability versus Ambient
Temperature:
Input offset

Gain
Input bias current

C (This is equivalent to 0.020

/°

C for J

thermocouples and 0.025

/°

C for K and T thermocouples.)

25 ppm of reading/

-25 nA

Input resistance:
Normal
Power off
Overload

5 M ohms
40 k ohms
40 k ohms

Noise:
Output, 100 k Hz
Bandwidth, -3 db
Rise Time, 10% to 90% span

500

V rms RTO

4 Hz
0.2 seconds