Appendix d: specifications – Despatch MIC1162 Hi-limit User Manual
Page 42

38
APPENDIX D: SPECIFICATIONS
INPUT SPECIFICATIONS
General
Input Sample Rate:
Four per second
Input Resolution:
14 bits approximately
Input Impedance:
Greater than 100M ohm resistive (except for DC mA
and V inputs)
Isolation:
Universal input isolated from all outputs except SSR at
240 VAC.
Thermocouple
Types:
R, S, J, T, K, L, B and N
Calibration:
Complies with BS4937, NBS125 and IEC584.
Sensor Break Protection:
Break detected within 2 seconds. Limit Relay set to
OFF; alarms operate as if the process variable has
gone over-range.
RTD and DC mV
Type and Connection:
Three-wire Pt100
Calibration:
Complies with BS 1904 and DIN43760.
Lead Compensation:
Automatic
Sensor Break Protection:
Break detected within 2 seconds. Limit Relay set to
OFF (0% power); alarms operate as if the process
variable has gone under-range.
DC mA and DC V
Scale Range Maximum:
-1999 to 9999
Scale Range Minimum:
-1999 to 9999
Minimum Span:
1 display LSD
Sensor Break Protection:
Applicable to 4-20mA, 1-5V, and 2-10V ranges only.
Break detected within 2 seconds. Limit Relay set to
OFF; alarms operate as if the process variable has
gone under-range.
Remote Reset
Type:
Voltage-free contact, closure required to reset.