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PROGRAMMABLE ONOFF CONTROLLERS --------------------------------------------------------------MCP961, MCP962
 
1 & 2 Setpoints, Pushwheel Switches
 

 
  • Universal input : 8 thermocouples, Pt100,
    0/4~20 mA, 0~10 V DC
  • 1 & 2 setpoints
  • Isolated 0/4~20 mA or 0~10 V DC
    retransmission output
    .
  • 85~265 V AC SMPS
  • Control : ONOFF and Timw Proportional
  • Accuracy : ±0.1% of full sale ±1 °C, typical
  • Sensor break indication
   
Specifications                  All specifications at ambient of 25°C , unless specified otherwise
 
INPUT  
Thermocouple B, E, J, K, N, R, S, T
RTD Pt100
Linear input 4~20 mA, 0~20 mA, 0~10 V DC
Load resistance for 250Ω, internally provided
0/4~20mA input  
Transmitter supply 22 V DC, Nominal, 30 mA max
Range limits See Table 1
Accuracy See Table 1
Cold junction Automatic
Compensation  
Temperature Coefficient  
Of accuracy ± 0.5% of span / 25 °C
Units  
Pt100, Thermocouple °C (For °F, contat us)
Linear EU
SETPOINTS  
No. of setpoints MCP961 : 1
MCP962 : 2
Setpoint settings MCP961 : 1 x 4-digit pushwheel switches
MCP962 : 2 x 4-digit pushwheel switches
Outputs  
No. of relays MCP961 : 1
MCP962 : 2
Relay contact type NO-C-NC
Relay contact rating 5A / 230V AC, resistive
SSR drive 12 V DC drive signal for external SSR
Retransmission Output Current or voltage
Current Output 4~20 mA / 0~20 mA isolated from input
Maximum load for 600 ohms
Current output  
Voltage output 0~10 V DC isolated from input
Load for Voltage > 10 Kohms
Output  
Mutual isolation between 1 KV AC / 1 minute
input / Output / Supply  
INDICATION  
Display 4 digit, 7 segment 0.56"
(14.2 mm) red LED display
Status indication 2 LEDs for relay status
PROGRAMMABLE PARAMETERS  
Input  
Hysteresis / band 0.1 to 99.9
Bias -99.9 to 99.9
High scale Full range (See Table 1)
Low scale Full range (See Table 1)
Control functions ONOFF, Time Proportional
Control (TPC)(Relay1)
ONOFF (Relay2)
Cycle time for TPC 1~99 seconds
Relay logic a. Heat
b. Cool
c. Full scale high alarm
d. Full scale low alarm
Proportional offset -99.9 to 99.9 (Relay1)
OTHER  
Keyboard Tactiie, 3 keys
Enclosure construction Plug - in (circuit removable
without affecting terminal wiring)
Dimensions (in mm) 96 (H) x 96 (W) x 100 (D)
Mounting Panel mount
Panel cutout 92 x 92 mm
Supply voltage a)85 ~ 265 V AC, 50 / 60 Hz
b)20~35 V DC (factory option)
Power consumption 3 watts maximum
Operating ambient 0~50 °C
temperature  
Relative humidity Below 90%, non condensing
 
Relay Logic
 

ONOFF CONTROL (Relay1, Relay2)

TIME PROPORTIONAL CONTROL (Relay1 only)

 
 
Table1
 
Sensor / Input Range Limits Range In Which Typical Accuracy Worst Case
(°C / EU ) Accuracy Is Specified At 30 °C Accuracy At 30 °C
Low Scale High Scale Low Scale High Scale (°C / EU ) (°C / EU )
Iron / Constantan (J) 0 760 0 760 ±1 ±3
Chromel / Alumel (K) 0 1372 0 1200 ±1 ±3
Pt / Pt-13% Rh(R) 0 1760 0 1760 ±2 ±5
Pt / Pt-10% Rh(S) 0 1760 0 1760 ±2 ±5
Copper /Constantan(T) 0 400 0 400 ±1 ±3
Nicrosil / Nisil (N) 0 1300 0 1200 ±1 ±3
Pt - 6% Rh / Pt-30% Rh (B) 400 1820 400 1820 ±3 ±5
Chromel / Constantan (E) 0 900 0 800 ±1 ±3
Pt100, 3-wire 0 850 0 850 ±0.5 ±2.0
inear 0~20 mA, 4~20 mA, 0~10 V DC 0 9999 0 9999 ±5EU ±20 EU
 
 
Connection Diagram
 
 
 
 
 
 
 
 
 
   
 

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