Owner's manual

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.